Water-from-Air Patent Links

Patents sorted by year of issue
Patents issued by the U.S. Patent and Trademark Office (USPTO), can be downloaded by clicking on the link. A new tab (or page, depending on your browser settings) will open in your browser for the URL www.pat2pdf.org. Please follow their simple instructions. They stated on their site, "pat2pdf.org exists thanks to the support of volunteer programmers that have kept the site free and running (as much as possible) over several years." I encourage users of their service to donate to pat2pdf.org periodically (at the URL www.pat2pdf.org) to ensure that their valuable service continues making it easy to access USPTO patent information. Atmoswater Research has no financial interest or connection with pat2pdf.org but is simply recommending its services to the water-from-air community.

At this time, there is no similar easy method to make links for downloading pdf's of non-USPTO patents.

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Patent Knowledge-base
These are external links, provided solely for your convenience. Atmoswater Research is not responsible for, and has no control over content of the web sites at these links.

Patent reading tips:

• Anatomy of a Patent (University of Toronto Libraries)

​Books about patents available through Amazon:

• Ikenson, B. 2004. Patents: ingenious inventions—how they work and how they came to be
• Jester, M. H. 2006. 20 questions to ask if you have a great idea or invention

• Johnson, S. 2010. Where Good Ideas Come From: The Natural History of Innovation

Articles about patents:

• Hixon, T.  (2013). For Most Small Companies Patents Are Just About Worthless. Forbes (online), Oct 14, 2013.

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1900–1969 (expired US patents)

• Belden, E. S. 1900. Apparatus for removing moisture from air. United States Patent 661,944.

• Pardridge, W. E. 1902. Steam condenser. United States Patent 691,170.

• Summers, L. L. 1919. Process for ventilating and cooling. United States Patent 1,310,511.

• Sperr, Jr., F. W. (1931). Process for dehydrating gas. ​United States Patent No. 1,791,086. Washington DC: U.S. Patent and Trademark Office.

• Dumars, H. and Bowen, W. S. 1927. Means for gas separation. United States Patent 1,622,134.

• Schröder, P. 1927. Condenser for airships. United States Patent 1,653,604.

• Altenkirch, E. (1938). Method for gaining water out of the atmosphere. United States Patent 2,138,689.

• Usselman, G. L. 1939. Cooling system. United States Patent 2,181,953.

• Kaufman, H. J. 1940. Cooling and dehumidifying device. United States Patent 2,203,685.

• Palmer, R. T. 1943. Air conditioning system utilizing refrigeration. United States Patent 2,307,292.

• Granville, B. 1946. Apparatus for extracting water from atmospheric air. United States Patent 2,409,624.

• Underwood, G. T. 1948. Liquid air boiler. United States Patent 2,446,498.

• Suiter, W. D. 1950. Apparatus for extracting water from air. United States Patent 2,499,982.

• Sporn, P. and Ambrose, E. R. 1950. Heat pump system. United States Patent 2,513,373.

• Rushing, W. E. 1951. Air-driven turbine power plant. United States Patent 2,539,862.

• Romani, L. 1953. Windmill and heat pump set. United States Patent 2,652,699.

• Justi, E. (1954). Thermoelement, particularly for the electrothermic production of cold. United States Patent No. 2,685,608. Washington DC: U.S. Patent and Trademark Office. 

• Coanda, H. and Coanda, M. H. 1956. Device for obtaining fresh drinkable water. United States Patent 2,761,292.

• Beresford, G. 1957. Method and apparatus for condensing moisture. United States Patent 2,805,560.

• Lindenblad, N. E. (1957). Thermo-electric dehumidifier. United States Patent No. 2,779,172. Washington DC: U.S. Patent and Trademark Office.

• Grimes, E. W. 1961. Atmospheric water supply apparatus. United States Patent 2,996,897.

• Erb, R. A. (1966). Use of gold surfaces to promote dropwise condensation. United States Patent 3,289,753.

• ​Erb, R. A., Thelen, E. & Varker, R. D. (1966). Use of silver surfaces to promote dropwise condensation. United States Patent 3,289,754.

1970-1979 (expired US patents)

• Gerard, R. D. and Worzel, J. L. 1970. Atmospheric water recovery method and means. United States Patent 3,498,077.

• Swanson, R. J. 1972. Atmospheric water collector. United States Patent 3,675,442.
• Lund, B. G. A. 1973. Extracting water from the atmosphere. United States Patent 3,777,456.
• Kajiyama, Y. 1974. Air conditioning apparatus supplying potable water. French Patent 2.219.119. France (French).
• Frick, G. 1978. Process and device for water recovery. Swiss Patent 606 644. Switzerland (German).
• Frick, G. 1978. Process and device for recovery of water for drinking and other purposes. Swiss Patent 608 260. Switzerland (German).
• Ockert, C. E. 1978. Device for extracting energy, fresh water and pollution from moist air. United States Patent 4,080,186.
• Groth, W. and Hussmann, P. 1979. Process and system for recovering water from the atmosphere. United States Patent 4,146,372.
• Hosoda, T., Uzuhashi, H., Kobayashi, N., & Tanaka, M. (1979). Humidity Control Apparatus. United States Patent No. 4,135,370. Washington DC: U.S. Patent and Trademark Office.  

1980-1989 (expired US patents)

• Nasser, G. El Din and Pocrnja, A. 1980. Apparatus for the cooling and dehumidification of ambient air in regions having a hot and humid climate. United States Patent 4,182,132.
• Mitsubishi Electric Corp. 1981. Two column atmospheric water condensation apparatus. Japanese Patent 56-56216 (in Japanese, abstract in English).
• Yamamoto, T., Takeyama, T., and Ikeda, A. 1981. Water producing apparatus. European Patent 39151.
• Biancardi, R. P. (1982). Apparatus and method for automatically watering vegetation. United States Patent No. 4,315,599. Washington DC: U.S. Patent and Trademark Office.
• Ito, T., Matsuoka, H., Hirayama, Y., & Takahashi, N. (1982). Water Producing Air Conditioning System. United States Patent No. 4,313,312. Washington DC: U.S. Patent and Trademark Office. 
• Takeyama, T., Azuma, K., Ikeda, A., Yamamoto, T., and Katsurada, S. 1982. Water producing apparatus. United States Patent 4,365,979.
• Bennett, C. E. 1983. Heat energized vapor adsorbent pump. United States Patent 4,377,398.
• Kückens, A. 1983. Process and device for producing drinking water, especially in developing regions. German Patent DE 31 42 136 A1. Germany (German).
• Smith, R. H. (1984). Apparatus and method for recovering atmospheric moisture. United States Patent No. 4,433,552. Washington DC: U.S. Patent and Trademark Office.
• Zacherl, L. 1986. Device for producing drinking water. German Patent DE 3431 186 A1. Germany (German).
• Roger, R. (1988). Method and device for recovering in liquid form the water present in the atmosphere in vapor form. United States Patent 4,726, 817.

1990-1999 (expired US patents)

• Sannholm, K. (1990). Method of dehumidifying gases. United States Patent No. 4,979,965. Washington DC: U.S. Patent and Trademark Office.
• Hellman, L. G. (1991). Multistage isothermal air dehumidification. United States Patent No. 5,024,062. Washington DC: U.S. Patent and Trademark Office.
• Reidy, J. J. 1992. Portable air-water generator. United States Patent 5,106,512.
• Reidy, J. J. 1992. Potable air-water generator. United States Patent 5,149,446.
• Clarke, N. P. 1993. Atmospheric water collection device. United States Patent 5,233,843.
• Engel, D. R. and Clasby, M. E. Jr. 1993. Apparatus and method for extracting potable water from atmosphere. United States Patent 5,259,203.
• Reidy, J. J. 1993. Potable air-water generator. United States Patent 5,203,989.​
• Stolbov, Yu, I. (1993). Device for condensing water vapors from air. Russian Patent RU1813473C.
• Karniel, I. 1994. Device for collecting drinking water from the atmosphere. European Patent 0 597 716 A1.
• Poindexter, F. 1994. Potable water collection apparatus. United States Patent 5,301,516.
• Reidy, J. J. 1994. Gravity Feed Ultraviolet Liquid Sterilization System. United States Patent 5,366,705.
• Harrison, L. G. 1996. Water recovery device for reclaiming and refiltering atmospheric water. United States Patent 5,553,459.
• Michael, C. L. 1996. Apparatus for producing filtered drinking water. United States Patent 5,517,829.
• Balezov, P. T. & Minev, E. P. (1997). Conditioner with accompanying output of water by condensation of atmospheric moisture. World Intellectual Property Organization Patent WO 97/16682.
• LeBleu, T. L. and Forsberg, F. C. 1997. Portable, potable water recovery and dispensing apparatus. United States Patent 5,669,221.
• Meytsar, J. 1997. Method and device for producing water by condensing atmospheric moisture. World Intellectual Property Organization Patent WO 97/41937 (French).
• Peeters, J. P. and Berkbigler, L. W. 1997. Electronic household plant watering device. United States Patent 5,634,342.
• Wold, K. F. 1997. Plant watering device and method for promoting plant growth. United States Patent 5,601,236.
• Zakryk, J. M. 1997. Water collection and dispensing machine. United States Patent 5,701,749.
• ​Krumsvik, P. K. (1998). Method and device for recovering water from a humid atmosphere. United States Patent 5,846,296.
• LeBleu, T. L. 1998. Portable/potable water recovery and dispensing apparatus. United States Patent 5,845,504.
• Smith, R. S. (1998). Dehydration of gases with liquid desiccants. United States Patent No. 5,766,423. Washington DC: U.S. Patent and Trademark Office.  
• Rosenthal, R. A. 1999. Atmospheric water extractor and method. United States Patent 5,857,344.
• ​Steiner, W. G. (1999). Electric current production and recuperation of water in the atmosphere using solar and wind energy. World Intellectual Property Organization Patent WO 99/11927.

2000-2009 (US patents filed before 2000 have expired; later US patents expire 20 years from filing date)

• Forsberg, F. C. and Wollmann, D. D. 2000. Portable, potable water recovery and dispensing apparatus. United States Patent 6,058,718.
• Zakryk, J. M. 2000. Water collection and dispensing machine. United States Patent 6,029,461.
• Forsberg, F. C. 2001. Portable, potable water recovery and dispensing apparatus. United States Patent 6,182,453 B1.
• Zakryk, J. M. 2001. Water collection and dispensing machine. United States Patent 6,289,689 B1.
• Merritt, T. (2002). Potable Water Collection Apparatus. United States Patent No. 6,343,479 B1. Washington DC: U.S. Patent and Trademark Office.
• Tsymerman, A. (2002). Method and Apparatus for Extracting Water from Atmospheric Air. United States Patent 6,336,957 B1.
• ​Faqih, Abdul-Rahman Abdul-Kader M. (2003). Production of potable water and freshwater needs for human, animal and plants from hot and humid air. United States Patent 6,574,979 B2. 
• Lehto, J. M. & Tyson, J. (2003). Dehumidification using desiccants and multiple effect evaporators.United States Patent No. 6,514,321 B1. Washington DC: U.S. Patent and Trademark Office.  
• LeBleu, T. L., Forsberg, F. C., and LeBleu, S. M. 2003. Portable/potable water recovery and dispensing apparatus. Canadian Patent Publication No. CA 2251095 C.
• Zhang, Z. (2003). Automatic semi-conductor condensate flower-watering device. United States Patent 6,581,849 B2.

• Engel, D. R. and Clasby, M. E. Jr. 2004. Apparatus and method for extracting potable water from atmosphere. United States Patent 6,755,037.
• Zakryk, J. M. and Kopec, J. 2004. Water collection and dispensing machine. United States Patent 6,779,358.
• Max, M. D. (2005). Apparatus and method for harvesting atmospheric moisture. United States Patent 6,945,063 B2. Washington DC: U.S. Patent and Trademark Office. 
• Radermacher, R. K. & Fawzi, H. (2006). Device for collecting water from air. United States Patent 7,043,934 B2. Washington DC: U.S. Patent and Trademark Office.

• Forsberg, F. C. and Colbert, C. 2006. Portable, potable water recovery and dispensing apparatus. United States Patent 7,089,763.
• Merritt, T. (2006). Multipurpose Adiabatic Potable Water Production Apparatus and Method. United States Patent No. 7,121,101 B2. Washington DC: U.S. Patent and Trademark Office.
• Anderson, R. T. and White, K. R. 2007. Water producing method and apparatus. United States Patent 7,272,947.
• Forsberg, F. C. 2007. Portable, potable water recovery and dispensing apparatus. Canadian Patent Publication No. CA 2341106 C.
• Bar, E. 2008. Method and Apparatus for Extracting Water from Atmospheric Air and Utilizing the Same. World Intellectual Property Organization Patent WO/2008/018071.
• Reidy, J. J. 2008. Thermoelectric, High Efficiency, Water Generating Device. United States Patent 7,337,615.
• Forsberg, F. C. and Colbert, C. 2008. Portable, potable water recovery and dispensing apparatus. United States Patent 7,373,787.
• Forsberg, F. C. and Colbert, C. 2008. Portable, potable water recovery and dispensing apparatus. Canadian Patent Publication No. CA 2477276 C.

• Forsberg, F. C. and Colbert, C. 2009. Portable, potable water recovery and dispensing apparatus. Canadian Patent Publication No. CA 2614643 C.

2010-present

• Bailey, R. J. 2010. Water production system for making potable water. United States Patent 7,726,138.
• Blum, D. W. (2011). Electrostatic Phase Change Generating Apparatus. United States Patent No. 7,998,255 B2. Washington DC: U.S. Patent and Trademark Office.
• Ferreira, W. and Tieleman, H-J. 2011. Apparatus and Methods for Creating Sparkling Water from the Atmosphere. United States Patent 7,861,544.
• Forkosh, D. 2011. System and method for managing water content in a fluid. United States Patent 7,942,387.
• Melikyan, Z. 2011. Apparatus and method for a split type water extractor and water dispenser. United States Patent 8,075,652.
• White, K. 2012. Atmospheric Water Generator System. World Intellectual Property Organization Patent WO/2012/162545.
• Ellsworth, J. (2013). Composite desiccant and air-to-water system and method. United States Patent 8,506,675 B2.
• Melikyan, Z. 2013. Apparatus and method for a split type water extractor and water dispenser. United States Patent 8,398,733.
• Ball, J., Beeze, C., Flynn, M. J., Lam, K. W. K., & Teltz, R. (2014). Water recovery system and method. United States Patent 8,834,614 B2.​
• Dahlbäck, P., Edström, F., & Wamstad, J. (2014). Water adsorption device. United States Patent Application Publication US 2014/0352536.
• Kohavi, A. & Dulberg, S. (2015). Dehumidification Apparatus. United States Patent 9,140,396 B2. 
• ​Lehky, P. (2015). Extraction of water from air. United States Patent 9,200,434 B2.
• Wamstad, J. & Edström, F. (2015). Device and method for absorbing water from gas. United States Patent 9,206,990 B2.
• Bahrami, M. & Bagheri, F. (2016). Hybrid Atmospheric Water Generator. World Intellectual Property Organization Patent Application  WO 2016/187709 A1.
• Raizen, M. (2016). Water reclamation using graphene oxide films. World Intellectual Property Organization Patent Application  WO 2016/130486 A1. 
• Friesen, C. A., Friesen, G. H., Lorzel, H., & Bessant, J. Z. (2017). Solar thermal unit. United States Patent Application Publication US 2017/0294876 A1.
• Switzer, E., Friesen, C., & Lorzel, H. (2017). Systems and methods for generating liquid water from air. United States Patent Application Publication US 2017/0354920 A1.
• Ullman, H. (2017). Atmospheric Water Generator Floor Unit. United States Design Patent D799,255 S. Washington DC: U.S. Patent and Trademark Office.
• ​Waite, R. K. & Neumann, A. (2017). Water production, filtration, and dispensing system. United States Patent 9,731,218 B2.
• Dahlbäck, P., Wamstad, J., & Edström, F. (2017). Water absorption using an insulated housing. United States Patent 9,737,844 B2.
• Friesen, C. A., Robinson, M., Friesen, G., Lorzel, H., & Goldberg, J. E. (2018). Systems and methods for water extraction control. United States Patent Application Publication US 2018/0043295 A1.

• Kumar, R. V. (2018). Confined hypersonic evapotranspiration chamber and a method of extraction of water. United States Patent No. 9.920,505 B2. Washington DC: U.S. Patent and Trademark Office.​
• Aoun, J. (2020). Methods, systems to facilitate atmospheric water generation, and regulation of an environment of atmospheric water generation. United States Patent No. 10,619,333 B1. Washington DC: U.S. Patent and Trademark Office.
• Aoun, J. (2020). Methods, systems to facilitate atmospheric water generation, and regulation of an environment of atmospheric water generation. United States Patent No. 10,633,835 B1. Washington DC: U.S. Patent and Trademark Office.
• http://www.pat2pdf.org/pat2pdf/foo.pl?number=

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Patents associated with specific companies or organizations
Sources: Public domain information from United States Patent and Trademark Office, company websites, press releases, SEC filings, etc.

• ​​Air Solar Water & Rain Capture: United States Patent 8,506,675 B2.
• Air-O-Water: United States Patents 5,669,221; 5,845,504; 6,058,718; 6,182,453; 7,089,763; and 7,373,787.
• Air2 Water LLC: United States Patents 5,669,221; 5,845,504; 6,058,718; 6,182,453; 7,089,763; and 7,373,787.
• Aqua Solutions Corp.: United States Patents 5,106,512; 5,149,446; 5,203,989; and 5,366,705.
• ​Atmospheric Water Solutions: United States Patents 5,701,749; 6,029,461; 6,289,689; 6,779,358; United States Design Patent D799,255 S.
• AtmoWater, Inc.: United States Patents 8,075,652 and 8,398,733.
• ​DewPoint Systems: United States Patent 7,726,138.
• Drinkable Air: United States Patent 7,272,947.
• Drupps AB: United States Patents 9,206,990 B2 and 9,737,844 B2; United States Patent Application Publication 2014/0352536 A1.
• EcoloBlue, Inc.: United States Patent 7,861,544.
• Element Four® Technologies Inc.: United States Patent 7,343,754; United States Design Patent D591,411.
• Eole Water S.A.S.: United States Patent 8,820,107.
• EuroSport Active World Corp (EAWC) Technologies: United States Patent 6,514,321 B1.
• Infinite Water, Inc.: United States Patent 9,731,218 B2.
• Island Sky Corporation: United States Patents 6,343,479 B1 and 7,121,101 B2.
• Oxydus: United States Patents 10,619,333 B1 and 10,633,835 B1.
• Quest Water Solutions Inc.: United States Patent 7,998,255.
• Saisons Technocom Pvt. Ltd.: United States Patents 5,669,221; 5,845,504; 6,058,718; 6,182,453; 7,089,763; and 7,373,787; India Patents 192,413; 199,326; and 241,216. 
• Stiftung Sanakvo: United States Patent 9,200,434 B2.
• SuntoWater Technologies LLC: United States Patents 8,834,614 B2; 8,845,795 B2; 8,858,684 B2; 8,864,883 B2; 8,876,956 B2; 8,882,888 B2; 8,882,895 B2; 8,920,546 B2; 9,005,349 B2; 9,017,456 B2; 9,039,816 B2; 9,061,239 B2; 9,114,354 B2; and 9,126,142 B2.
• Vitality Vector, BV: United States Patent 6,336,957 B1.
• Water Generating Systems, LLC: United States Patent 6,945,063 B2.
• Water-Gen Ltd.: United States Patent 9,140,396 B2.
• WaterMaker (India) Pvt. Ltd: United States Patents 5,106,512; 5,149,446; 5,203,989; and 5,366,705.
• Zero Mass Water, Inc.: United States Patent Application Publications 2017/0294876 A1 and 2018/0043295 A1.

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