Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Acker — 4 Patents

General Motors: 4 patents #3,757 of 18,328Top 25%
Farmington Hills, MI: #517 of 2,032 inventorsTop 30%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Acker has been granted 4 US patents while listed as an inventor at General Motors. The first was granted in 2005 and the most recent in December 2010. John Acker ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Acker in Farmington Hills, MI, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7845712 Vehicle closure assembly with sealed split between independently selectable closure panels Garl Gordon, Roderick L. Lemmer, Thomas J. Hurrish, Henry J. Nykiel, Frederick Draska 2010-12-07
6902222 Cargo cover side storage system and method of storing Henry J. Nykiel 2005-06-07 $16,443,000
6880878 Stacked cargo cover storage system and method of storing thereof Henry J. Nykiel, Timothy J. Herrick 2005-04-19 $5,637,000
6874839 Vehicle endgate with integral door Henry J. Nykiel, Clayton E. Miner, Marvin Plotzka 2005-04-05 $7,429,000