John C. Merrison
9Patents
9h-index
13Co-inventors
66Inventor score
Filing activity: Mar 8, 1988 → Nov 17, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5008608A | Controller for starting and stopping electric motors | Electricity | 49 | Expired |
| US5003241A | Motor stoppage detection using back emf voltage | Electricity | 30 | Expired |
| US4996470A | Electric motor speed control apparatus and method | Electricity | 22 | Expired |
| US4862052A | Method for stopping an electric motor | Electricity | 20 | Expired |
| US4996469A | Electric motor controller with bypass contactor | Electricity | 17 | Expired |
| US4978897A | Motor controller with an improved stopping technique | Electricity | 16 | Expired |
| US7566990B2 | Power systems and methods using an induction generator in cooperation with an uninterruptible power supply | Electricity | 14 | Active |
| US5543698A | Method and apparatus used with AC motor for detecting unbalance | Textiles; Paper | 13 | Expired |
| US8339093B2 | System and method of dynamic regulation of real power to a load | Electricity | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.