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USPTO Patent Rankings Data through Dec 31, 2025
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James J. Downs — 5 Patents

AQAquion: 2 patents #1 of 11Top 10%
HCHuntsman Specialty Chemicals: 1 patents #10 of 28Top 40%
Bloomingdale, IL: #45 of 224 inventorsTop 25%
Illinois: #18,025 of 84,256 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
James J. Downs has been granted 5 US patents while listed as an inventor at Aquion. The first was granted in 1994 and the most recent in October 2017. James J. Downs ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list James J. Downs in Bloomingdale, IL, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9783433 Water treatment valve control system with rotary position sensor Andrew J. Kajpust, Daryl D. Sielaff 2017-10-10
D754613 Controller Gary F. Prokop 2016-04-26
5830324 Controlled continuous purification of propylene oxide by extractive distillation Andrew C. Hiester, Mark E. Taylor, Mark A. Mueller, Michael W. Peters, William Pleasie Nelson 1998-11-03
5466407 Incineration residue treatment process William A. Roberts 1995-11-14
5286430 Incineration residue treatment process William A. Roberts 1994-02-15