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

John C. Clark — 5 Patents

GE: 2 patents #13,632 of 36,430Top 40%
IBM: 1 patents #44,878 of 70,183Top 65%
Abbott: 1 patents #5,070 of 5,509Top 95%
Oxford, OH: #20 of 109 inventorsTop 20%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John C. Clark has been granted 5 US patents while listed as an inventor at GE. The first was granted in 1986 and the most recent in March 2001. John C. Clark ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John C. Clark in Oxford, OH, US.

Patents per Year

Patents granted per year, 1986 to 2001Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19861987: 1 patents19871993: 1 patents19932000: 1 patents20002001: 1 patents2001

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6198529 Automated inspection system for metallic surfaces Earle William Gillis, Christopher J. Majka, Matthew F. Seward, Michael M. Westgate 2001-03-06 $28,649,000
6052996 Heat-work cycle for steam cycle electric power generation plants 2000-04-25
5248306 Axial retainer for flow connectors William J. Hook, Mark E. Larkin 1993-09-28 $21,293,000
4659241 Rolling element bearing member Eric N. Bamberger, Alexander Hong Nahm 1987-04-21 $17,089,000
4569070 Thermally compensated x-ray tube bearings Thomas Schubert 1986-02-04 $6,799,000