David E. Earhart
18Patents
8h-index
9Co-inventors
61Inventor score
Filing activity: Jan 25, 2007 → Sep 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7604561B2 | Multi-speed countershaft transmission with a planetary gear set and method | Emerging Cross-Sectional Technologies | 28 | Active |
| US7896770B2 | Multi-speed transmission | Emerging Cross-Sectional Technologies | 15 | Active |
| US9927008B1 | Multi-speed planetary transmission | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US10161484B2 | Multi-speed planetary transmission | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US10323723B2 | Multi-speed planetary transmission | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US8038564B2 | Multi-speed transmission | Emerging Cross-Sectional Technologies | 10 | Active |
| US10234001B2 | Multi-speed planetary transmission | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US7846055B2 | Multi-speed split dual clutch transmission | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7837589B2 | Multi-speed split dual clutch transmission | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US8128377B2 | Split-pressure dual pump hydraulic fluid supply system for a multi-speed transmission and method | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7798931B2 | Multi-speed split dual clutch transmission | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10473190B2 | Multi-speed planetary transmission | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9746060B2 | Input clutch assembly for infinitely variable transmission | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9664269B2 | Input clutch assembly for infinitely variable transmission | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9109663B2 | Input clutch assembly for infinitely variable transmission | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9382987B2 | Input clutch assembly for infinitely variable transmission | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10704655B2 | Multi-speed planetary transmission | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10808807B2 | Multi-speed planetary transmission | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.