Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JR

John Ruhl — 8 Patents

General Motors: 5 patents #3,105 of 18,328Top 20%
NONovomer: 3 patents #24 of 59Top 45%
Rochester, NY: #1,132 of 6,268 inventorsTop 20%
New York: #18,190 of 115,490 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
John Ruhl has been granted 8 US patents while listed as an inventor at General Motors. The first was granted in 2006 and the most recent in September 2022. John Ruhl ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list John Ruhl in Rochester, NY, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11447457 Methods and systems for treatment of ethylene oxide Konstantin A. Pokrovski, Alexander Tseitlin, Kyle Sherry 2022-09-20
11351519 Absorbent polymers, and methods and systems of producing thereof and uses thereof Han Lee, Robert E. LaPointe, Kyle Sherry, Alexander Tseitlin, Sadesh H. Sookraj 2022-06-07
10065914 Thermolysis of polypropiolactone to produce acrylic acid Kyle Sherry 2018-09-04
7651799 Air humidification for fuel cell applications Detlef Günther, Christian König 2010-01-26
7592083 Integrated air supply with humidification control for fuel cell power systems Mark Meltser, Yousef Jarrah, Ronald L. James, Christian König 2009-09-22
7399326 Carbon monoxide clean-up in a PEM fuel cell system Yan Zhang, Annette M. Brenner, Craig S. Gittleman 2008-07-15 $4,336,000
7276095 Fuel processor module for hydrogen production for a fuel cell engine using pressure swing adsorption Craig S. Gittleman, Yan Zhang, William H. Pettit 2007-10-02 $12,008,000
7011693 Control of a hydrogen purifying pressure swing adsorption unit in fuel processor module for hydrogen generation Kiran Mallavarapu, Craig S. Gittleman 2006-03-14 $33,284,000