Jeff D. Williams has been granted 9 US patents while listed as an inventor at General Motors . The first was granted in 2012 and the most recent in September 2017. Jeff D. Williams ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Jeff D. Williams in Tonawanda, NY, US.
Patents per Year Patents granted per year, 2012 to 2017 Bar chart with a peak of 4 patents in 2013. peak 4 2012: 1 patents 2012 2013: 4 patents 2013 2015: 2 patents 2015 2016: 1 patents 2016 2017: 1 patents 2017
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9755251 Electrical signal processing system for fuel cell stack Jeffrey A. Rock 2017-09-05
$8,734,000
9502731 Fuel cell plate features to resolve differences in component tolerances Jeffrey A. Rock , Matthew J. Beutel , Steven J. Spencer 2016-11-22
$12,431,000
9178224 Sealing design for stamped plate fuel cells Steven G. Goebel , Matthew J. Beutel , Jeffrey A. Rock , Robert Thompson , Steven J. Spencer 2015-11-03
$8,214,000
9088021 Multi-cell electric signal processing bipolar plate features Jeffrey A. Rock 2015-07-21
$9,446,000
8546064 Method to produce a fuel cell flowfield with photopolymer walls Jeffrey A. Rock , Alan J. Jacobsen , Peter D. Brewer , William B. Carter 2013-10-01
$13,414,000
8535845 Seal for PEM fuel cell plate Jeffrey A. Rock , Gerald W. Fly , Steven G. Goebel 2013-09-17
$7,783,000
8409761 Plate interconnect method for an embedded fuel cell sensor David D. Rea , Jeffrey A. Rock 2013-04-02
$5,051,000
8394548 Seal for PEM fuel cell plate Jeffrey A. Rock , Gerald W. Fly , Steven G. Goebel 2013-03-12
$17,582,000
8211585 Seal for PEM fuel cell plate Jeffrey A. Rock , Gerald W. Fly , Steven G. Goebel 2012-07-03
$6,593,000
