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USPTO Patent Rankings Data through Dec 31, 2025
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Steven J. Wirth — 7 Patents

ENEncad: 6 patents #5 of 38Top 15%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
Escondido, CA: #266 of 1,330 inventorsTop 20%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Steven J. Wirth has been granted 7 US patents while listed as an inventor at Encad. The first was granted in 1999 and the most recent in August 2005. Steven J. Wirth ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Steven J. Wirth in Escondido, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6935731 Ink jet print system including print cartridge Yichuan Pan, Dennis J. Astroth 2005-08-30 $2,350,000
6435746 Pinch roller for inkjet printer David A. Neese, Marni D. Ines, William Golobeff 2002-08-20
6406136 System and method for supplying ink to a printer William M. Fries, Timothy J. Morrison 2002-06-18
6299299 System and method for supplying ink to a printer William M. Fries, Timothy J. Morrison 2001-10-09 $387,000
6206592 Pinch roller for inkjet printer David A. Neese, Marni D. Ines, William Golobeff 2001-03-27 $556,000
6145968 System and method for supplying ink to a printer William M. Fries, Timothy J. Morrison 2000-11-14 $523,000
5938356 Pinch roller for inkjet printer David A. Neese, Marni D. Ines, William Golobeff 1999-08-17 $2,116,000