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

John W. Trainor — 5 Patents

IMImagitek: 4 patents #1 of 7Top 15%
EAE.I. Du Pont De Nemours And: 1 patents #7,126 of 12,129Top 60%
Vestal, NY: #134 of 481 inventorsTop 30%
New York: #27,005 of 115,490 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John W. Trainor has been granted 5 US patents while listed as an inventor at Imagitek. The first was granted in 1989 and the most recent in March 2009. John W. Trainor ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John W. Trainor in Vestal, NY, US.

Patents per Year

Patents granted per year, 1989 to 2009Bar chart with a peak of 2 patents in 1989.peak 21989: 2 patents19891990: 1 patents19901991: 1 patents19912009: 1 patents2009

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7503258 Method and apparatus for thermal development with development medium remover Robert A. McMillen, Dietmar Dudek, Mark A. Hackler, Anandkumar R. Kannurpatti 2009-03-17 $6,150,000
5053825 Toner supply cartridge having primary and secondary baffles Bruce E. Holtje, Laura Miranda Gilbert 1991-10-01
4959690 Paddle wheel cross-mixer Bruce E. Holtje 1990-09-25
4869401 Toner cartridge Bruce E. Holtte 1989-09-26
4832450 Bar lens assembly for reproduction machine and method of forming same 1989-05-23