Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Keith D. Patch — 4 Patents

TPThermo Power: 2 patents #6 of 22Top 30%
GIGas Research Institute: 1 patents #343 of 808Top 45%
General Motors: 1 patents #9,441 of 18,328Top 55%
Lexington, MA: #959 of 2,299 inventorsTop 45%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Keith D. Patch has been granted 4 US patents while listed as an inventor at Thermo Power. The first was granted in 1989 and the most recent in January 2006. Keith D. Patch ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Keith D. Patch in Lexington, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6981367 Hydrogen and oxygen generation from a water vapor containing exhaust Paul Childs, Anthony B. LaConti, Norman D. Brinkman, David R. Monroe, David L. Hilden +1 more 2006-01-03 $111,392,000
6126901 Detecting low levels of radionuclides in fluids Dean Morgan 2000-10-03
5652013 Chemical enhancement of surface deposition Dean Morgan 1997-07-29 $1,051,000
4875919 Direct contact raining bed counterflow cullet preheater and method for using Robert DeSaro, Edward F. Doyle, Christopher I. Metcalfe 1989-10-24