Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JD

John G. Dorrough — 7 Patents

General Motors: 5 patents #3,105 of 18,328Top 20%
Oak Park, MI: #30 of 200 inventorsTop 15%
Michigan: #13,705 of 86,293 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
John G. Dorrough has been granted 7 US patents while listed as an inventor at General Motors. The first was granted in 1994 and the most recent in February 2024. John G. Dorrough ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list John G. Dorrough in Oak Park, MI, US.

Patents per Year

Patents granted per year, 1994 to 2024Bar chart with a peak of 3 patents in 2015.peak 31994: 1 patents19942012: 1 patents20122015: 3 patents20152019: 1 patents20192024: 1 patents2024

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11912602 Water conditioning for bacterial control 2024-02-27
10344842 Multi-piece sealing assembly Edward J. Billings, Carl E. Fonville 2019-07-09 $7,940,000
9196878 Stackable cartridge module design Benjamin R. Christian, Herman K. Phlegm, Sami A. Syed 2015-11-24 $12,842,000
9054361 Utilizing vacuum to pre-compress foam to enable cell insertion during HV battery module assembly Benjamin R. Christian, Sami A. Syed, Herman K. Phlegm 2015-06-09 $9,390,000
9050898 Wave fin battery module Sami A. Syed, Robert J. Heydel 2015-06-09 $9,390,000
8292572 Blower motor flange diverter Herman K. Phlegm, Pablo Valencia, Jr., Ronald A. Lemmon, Terrence P. Wilson 2012-10-23 $8,527,000
5287269 Apparatus and method for accessing events, areas and activities Steven Mark Renfrow 1994-02-15