Robert Koenen
66Patents
12h-index
42Co-inventors
84Inventor score
Filing activity: Feb 1, 2001 → Mar 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD776610S1 | Battery | General | 68 | Active |
| US6369532B2 | Control system for an electric motor having an integral flywheel rotor | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US8171907B2 | Push button starting system for outdoor power equipment | Mechanical Engineering; Lighting; Heating | 32 | Active |
| US8733072B2 | Starter system for an engine | Emerging Cross-Sectional Technologies | 28 | Active |
| US9127658B2 | Internal combustion engine including starting system powered by lithium-ion battery | Electricity | 27 | Active |
| US8857138B2 | Starter system for an engine | Mechanical Engineering; Lighting; Heating | 24 | Active |
| US9726135B2 | Snowthrower with removable self-heating starter battery pack | Mechanical Engineering; Lighting; Heating | 23 | Active |
| US8863485B2 | Hybrid lawn mower drive system | Emerging Cross-Sectional Technologies | 21 | Active |
| USD853319S1 | Battery | General | 20 | Active |
| USD831566S1 | Battery receptacle | General | 17 | Active |
| US9624891B2 | Outdoor power equipment incorporating starter battery with integrated push button | Electricity | 15 | Active |
| US10263485B2 | Alternator with integrated engine controller | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US10233889B2 | Snowthrower with removable self-heating starter battery pack | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8938894B2 | Automatically adjustable snowthrower chute | Fixed Constructions | 12 | Active |
| USD811999S1 | Battery receptacle | General | 11 | Active |
| USD776052S1 | Battery receptacle | General | 10 | Active |
| US9628009B2 | Method for monitoring and controlling engine speed | Electricity | 8 | Active |
| US9917460B2 | Lithium ion battery pack for outdoor power equipment | Emerging Cross-Sectional Technologies | 7 | Active |
| US9624890B2 | Push button starting system module for outdoor power equipment | Electricity | 7 | Active |
| US8219305B2 | Engine with an automatic choke and method of operating an automatic choke for an engine | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US10687464B2 | Zero turn radius mower controls | Human Necessities | 6 | Active |
| US10697417B2 | Battery connections for battery start of internal combustion engines | Emerging Cross-Sectional Technologies | 5 | Active |
| US9644595B2 | Starting battery for an internal combustion engine | Emerging Cross-Sectional Technologies | 5 | Active |
| US9890755B2 | Electric starting system for an internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Active |
| US11053906B2 | Battery connections for battery start of internal combustion engines | Emerging Cross-Sectional Technologies | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.