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

John S. Cartwright — 6 Patents

ATAT&T: 3 patents #5,559 of 18,772Top 30%
CECombustion Engineering: 2 patents #141 of 732Top 20%
Ewing Township, NJ: #14 of 60 inventorsTop 25%
New Jersey: #14,312 of 69,400 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John S. Cartwright has been granted 6 US patents while listed as an inventor at AT&T. The first was granted in 1985 and the most recent in July 1989. John S. Cartwright ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John S. Cartwright in Ewing Township, NJ, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4847174 Thermally actuated hydrogen secondary battery David N. Palmer, James K. O'Neill 1989-07-11 $2,087,000
4808494 Thermally actuated hydrogen secondary battery David N. Palmer, James K. O'Neill 1989-02-28 $5,502,000
4689866 Methods for transferring spring clips 1987-09-01
4674166 Spring clip transfer apparatus 1987-06-23
4582245 Method and apparatus for automated spring clip insertion and removal 1986-04-15
4545761 Method and apparatus for securing articles in place on a substrate Jerry C. Hurst 1985-10-08