Rick L. Boyer
19Patents
10h-index
12Co-inventors
69Inventor score
Filing activity: Feb 28, 1992 → Jan 27, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5152383A | Viscous fluid coupling and external actuator assembly therefor | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US7278524B2 | Electronically controlled fluid coupling device | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US7083032B2 | Electronically controlled fluid coupling device | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5584371A | Viscous fan drive system logic | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US7913826B2 | Electronically controlled fluid coupling device with fluid scavenge control and check valve | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US7980373B2 | Electronically controlled fluid coupling device with fluid scavenge control | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US8186494B2 | Electronically controlled fluid coupling device with fluid scavenge control and enhanced cooling | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US7913825B2 | Electronically controlled fluid coupling device with fluid scavenge control and slip speed sensor | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US8596438B2 | Electronically controlled fluid coupling device with fluid scavenge control | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8616357B2 | Electronically controlled fluid coupling device with fluid scavenge control | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US6725813B1 | Temperature-controlled variable speed water pump | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8627936B2 | Electromagnetic differential speed control system for a fluid coupling device | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7364025B2 | Magnetorheological fan coupling | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8701852B2 | Viscous fan drive systems having fill and scavenge control | Emerging Cross-Sectional Technologies | 4 | Active |
| US7981195B2 | System for preventing contaminants from reaching a gas purifier | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8280554B2 | System for preventing unnecessary shutdown of a high-purity gas production plant | Performing Operations; Transporting | 1 | Active |
| US7490707B2 | Magnetorheological fan coupling | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8343262B2 | System for preventing contaminants from reaching a gas purifier | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8668768B2 | System for preventing contaminants from reaching a gas purifier | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.