Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Donald E. Ellison — 9 Patents

RTX (Raytheon): 8 patents #1,453 of 15,912Top 10%
LDLear Automotive Dearborn: 1 patents #48 of 178Top 30%
St. Clair Shores, MI: #21 of 366 inventorsTop 6%
Michigan: #10,567 of 86,293 inventorsTop 15%
Overall (All Time): #587,552 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6615680 Method of testing switch design to quantify feel Jonathan Dahlstrom, Richard Ratke 2003-09-09
RE35772 Solenoid system for, for example, a brake/shift interlock for vehicular transmission control Richard Ratke 1998-04-21
5078242 Solenoid system for, for example, a brake/shift interlock for vehicular transmission control Richard Ratke 1992-01-07
5027931 Brake/shift interlock for an automatic transmission shift control mechanism Richard Ratke, Jonathan Dahlstrom 1991-07-02
5027929 Solenoid system for, for example, a brake/shift interlock for vehicular transmission control Richard Ratke 1991-07-02
4887702 Brake/shift interlock for an automatic transmission shift control mechanism Richard Ratke 1989-12-19
4862130 Wire cross-over arrangement for angular coil assembly 1989-08-29
4783903 Method of forming a blind solder joint in an ignition coil James F. Fernquist 1988-11-15
4638282 Wire cross-over arrangement for coil assembly 1987-01-20