Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Alan E. Rice — 8 Patents

General Motors: 8 patents #1,982 of 18,328Top 15%
New Baltimore, MI: #26 of 299 inventorsTop 9%
Michigan: #12,001 of 86,293 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Alan E. Rice has been granted 8 US patents while listed as an inventor at General Motors. The first was granted in 2009 and the most recent in December 2015. Alan E. Rice ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Alan E. Rice in New Baltimore, MI, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9217343 Dual flow check valve for positive crankcase ventilation system Steven G. Bryde 2015-12-22 $10,959,000
8844506 Positive crankcase ventilation system Thomas A. Spix 2014-09-30 $7,115,000
8495993 Engine including crankcase ventilation system oil drain features Thomas A. Spix 2013-07-30 $7,348,000
8464698 Air intake assembly with integrated crankcase ventilation system Thomas Richard Durkin 2013-06-18 $9,827,000
8408190 Air-oil separator for extracting oil from engine blowby gas Thomas A. Spix 2013-04-02 $5,051,000
8166958 Positive crankcase ventilation system for an internal combustion engine Robert J. Moran 2012-05-01 $5,671,000
7600735 Sliding clip to retain a captured nut Gary J. Vaandrager, Richard K. Marsh 2009-10-13
7571701 Camshaft cover with integrated intake manifold Thomas Richard Durkin, Robert J. Moran 2009-08-11