Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ET

Eric S. Tryon — 30 Patents

ATAllison Transmission: 15 patents #15 of 196Top 8%
General Motors: 15 patents #942 of 18,328Top 6%
BMW: 1 patents #2,164 of 5,361Top 45%
CGChrysler Group: 1 patents #1,051 of 2,641Top 40%
DADaimler Ag: 1 patents #789 of 2,089Top 40%
Daimlerchrysler Ag: 1 patents #1,774 of 4,854Top 40%
Indianapolis, IN: #127 of 5,011 inventorsTop 3%
Indiana: #778 of 33,936 inventorsTop 3%
Overall (All Time): #123,474 of 4,157,543Top 3%
30 Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
8062001 Method for controlling pump transitions in a multi-mode hybrid transmission Jy-Jen F. Sah 2011-11-22
8057355 Hydraulic control system for multi-mode hybrid transmission and method of regulating the same Michael D. Foster 2011-11-15
7232402 Motor driven auxiliary pump for electrically-variable transmission torsional damper William S. Reed, William A. Stewart, Christopher J. Bowes 2007-06-19
7226384 Torsional damper for electrically-variable transmission with lock-out clutch assembly Joel E. Mowatt, James A. Raszkowski, Richard L. Wagner 2007-06-05
7223202 Hydraulic circuit for torsional damper assembly of an electrically variable transmission Joel E. Mowatt, Kenneth D. Schoch 2007-05-29