Robert D. Keefover
30Patents
7h-index
22Co-inventors
69Inventor score
Filing activity: Mar 31, 2000 → Dec 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7182063B2 | Assembly with non-contacting position sensor | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US6683429B2 | Electric positional actuator | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7064508B2 | Actuator position control system | Physics | 9 | Expired |
| US6289874A | Electronic throttle control | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US8316830B2 | Valve module for a combustion engine breathing system | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7086636B2 | Gaseous fluid metering valve | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8585012B2 | Method for controlling an actuator | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US8803388B2 | Actuator assembly using a cam slot bearing drive mechanism | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6854443B2 | Assembly for electronic throttle control with non-contacting position sensor | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US8086329B2 | Method of actuator control | Physics | 5 | Active |
| US8181545B2 | Actuator with integrated drive mechanism | Emerging Cross-Sectional Technologies | 5 | Active |
| US9879596B1 | Actuator assembly having at least one driven gear coupled to a housing | Emerging Cross-Sectional Technologies | 4 | Active |
| US7191754B2 | Position sensor apparatus and method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7337764B2 | Pressure balanced bearing | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9568010B2 | Inlet design for a pump assembly | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9140218B2 | Actuator with valve return | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9587592B2 | Actuator with valve return | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8084913B2 | DC motor with asymmetrical poles | Electricity | 2 | Active |
| US10473232B2 | Split linkage mechanism for valve assembly | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8534047B2 | Combustion engine breathing systems, components thereof and methods of operating and controlling the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US7570046B2 | Single sensing multiple output system | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7174998B2 | Submerged electric fluid pump | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US7487789B2 | Gaseous fluid metering valve | Emerging Cross-Sectional Technologies | 2 | Active |
| US8074622B2 | Control and interconnection system for an apparatus | Emerging Cross-Sectional Technologies | 2 | Active |
| US10041420B2 | Valve assembly and valve system including same | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.