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

Jack E. Campbell — 5 Patents

TETextron: 4 patents #65 of 575Top 15%
JDJohn Deere: 1 patents #2,985 of 5,518Top 55%
Fort Mill, SC: #81 of 349 inventorsTop 25%
South Carolina: #3,003 of 15,501 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Jack E. Campbell has been granted 5 US patents while listed as an inventor at Textron. The first was granted in 1988 and the most recent in November 2001. Jack E. Campbell ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Jack E. Campbell in Fort Mill, SC, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6314938 Starting system for spark ignition engine Patrick A. McCreery, Charles Gaymon 2001-11-13 $19,579,000
5377642 Compression release for an internal combustion engine John A. Morrow 1995-01-03 $3,533,000
4972733 Shock absorbing grip J. Jiri Olmr 1990-11-27 $2,684,000
4821859 Self adjusting rotor for a centrifugal clutch Lakhbir S. Suchdev 1989-04-18 $5,854,000
4771875 Multi element rotor for a centrifugal clutch Lakhbir S. Suchdev, Li H. Liu 1988-09-20 $22,329,000