Alan G. Holmes
184Patents
22h-index
115Co-inventors
93Inventor score
Filing activity: Jan 29, 1979 → Oct 25, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6478705B1 | Hybrid electric powertrain including a two-mode electrically variable transmission | Emerging Cross-Sectional Technologies | 231 | Expired |
| US6953409B2 | Two-mode, compound-split, hybrid electro-mechanical transmission having four fixed ratios | Emerging Cross-Sectional Technologies | 142 | Expired |
| US6527658B2 | Electrically variable transmission with selective input split, compound split, neutral and reverse modes | Emerging Cross-Sectional Technologies | 129 | Expired |
| US6551208B1 | Three-mode, compound-split, electrically-variable transmission | Emerging Cross-Sectional Technologies | 82 | Expired |
| US7479081B2 | Hybrid electrically variable transmission with dual power paths and selective motor connection | Emerging Cross-Sectional Technologies | 65 | Active |
| US7538457B2 | Electric motor assemblies with coolant flow for concentrated windings | Electricity | 61 | Active |
| US7256510B2 | Hybrid electro-mechanical transmission with single motor/generator and method of control | Emerging Cross-Sectional Technologies | 54 | Expired |
| US7575529B2 | Hybrid electrically variable transmission with geared reverse mode using single motor/generator | Emerging Cross-Sectional Technologies | 48 | Active |
| US8606450B2 | Hybrid powertrain with geared starter motor and belt alternator starter and method of restarting an engine | Emerging Cross-Sectional Technologies | 42 | Active |
| US7615903B2 | Structural support member for electric motor/generator in electromechanical transmission | Electricity | 42 | Active |
| US4598274A | Security and protection panel | Physics | 41 | Expired |
| US8702544B2 | Wide-node drive system | Emerging Cross-Sectional Technologies | 40 | Active |
| US4243719A | Laminates | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7192373B2 | Electrically variable transmission having two planetary gear sets with one fixed interconnection | Emerging Cross-Sectional Technologies | 35 | Expired |
| US9108633B1 | Hybrid powertrain and method of controlling same | Emerging Cross-Sectional Technologies | 30 | Active |
| US7645206B2 | Three mode electrically-variable transmission | Mechanical Engineering; Lighting; Heating | 30 | Active |
| US7220203B2 | Electrically variable transmission with selective fixed ratio operation | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7748482B2 | Accessory drive system for a hybrid vehicle | Emerging Cross-Sectional Technologies | 27 | Active |
| US7610976B2 | Hybrid powertrain with electrically variable transmission having parallel friction launch and method | Emerging Cross-Sectional Technologies | 27 | Active |
| US7399246B2 | Hybrid power transmission | Emerging Cross-Sectional Technologies | 25 | Active |
| US8068947B2 | Range maximization of a hybrid vehicle operating in an electric vehicle operating state | Emerging Cross-Sectional Technologies | 23 | Active |
| US7169074B2 | Electrically variable transmission having two planetary gear sets with one stationary member | Emerging Cross-Sectional Technologies | 22 | Expired |
| US9657705B2 | Powertrain for a vehicle and an electromechanical apparatus coupleable to an engine | Emerging Cross-Sectional Technologies | 22 | Active |
| US8182391B2 | Electric torque converter for a powertrain and method of operating a vehicle | Emerging Cross-Sectional Technologies | 21 | Active |
| US7980980B2 | Hybrid powertrain | Emerging Cross-Sectional Technologies | 20 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.