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USPTO Patent Rankings Data through Dec 31, 2025
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Gregory E. Rich — 9 Patents

General Motors: 9 patents #1,748 of 18,328Top 10%
Richmond, MI: #6 of 73 inventorsTop 9%
Michigan: #10,673 of 86,293 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Gregory E. Rich has been granted 9 US patents while listed as an inventor at General Motors. The first was granted in 1987 and the most recent in April 2010. Gregory E. Rich ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Gregory E. Rich in Richmond, MI, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7690363 Vapor assisted cold start architecture utilizing tank grade vent valves Roy A. Giacomazzi, Eugene V. Gonze, Bernard Toton 2010-04-06
6886861 Trunk mounted fuel tank assembly Vincent J. Marsala 2005-05-03 $9,508,000
6321727 Leak detection for a vapor handling system Sam R. Reddy, Gregory E. Labus, Timothy E. Mc Carthy 2001-11-27
5437257 Evaporative emission control system with vent valve Roy A. Giacomazzi, Chester W. Przeklas, Kenneth W. Turner 1995-08-01
5070849 Modular fuel delivery system Donald John Armstrong 1991-12-10
4989572 Vehicle fuel system with reduced tank heating Roy A. Giacomazzi, S. Raghuma Reddy 1991-02-05
4881578 Combination filler pipe and vapor control means Roy A. Giacomazzi, Jack C. Wilds 1989-11-21
4762156 Fuel fill vapor recovery system with vapor recirculation 1988-08-09
4673009 Fuel tank venting Roy A. Giacomazzi 1987-06-16