Dan Coffey
15Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Nov 23, 1990 → Sep 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8915819B2 | Multi-speed planetary gear set transmission | Mechanical Engineering; Lighting; Heating | 84 | Active |
| US8734286B2 | Multi-speed planetary gear set transmission | Mechanical Engineering; Lighting; Heating | 83 | Active |
| US8845476B2 | Multi-speed transmission | Mechanical Engineering; Lighting; Heating | 34 | Active |
| US5105625A | Mounting for a ceramic scroll in a gas turbine machine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5830102A | Five-speed power transmission | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US8715129B1 | Multi-speed transmission | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US6422968B1 | Compact six speed power transmission | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US9458916B2 | Guide pin assembly | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6200242A | Powertrain with a multi-speed transmission | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7238135B2 | Three-mode continuously variable transmission with a direct low mode and two split path high modes | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9080650B2 | Multi-speed transmission | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9347537B2 | Multi-mode continuously variable transmission with selectable transfer gears | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6648787B1 | Traction drive transmission | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11499615B2 | Compact split torque transmission for wide overall ratio coverage | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7300377B2 | Power transmission lubrication system | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.