Robert A. Olsen
11Patents
7h-index
5Co-inventors
59Inventor score
Filing activity: Feb 12, 1976 → May 31, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4160498A | Electromagnetic coupling | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5735375A | Nitrocarburized component for an electromagnetic friction clutch assembly | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4210890A | Field assembly for an electromagnet | Electricity | 13 | Expired |
| US4553938A | Low torsional restraint instrument handpiece hose | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4749073A | Soft-start electromagnetic coupling | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4027529A | Method and apparatus for testing spot welds | Physics | 8 | Expired |
| US4600384A | Swivel coupling for illuminated dental handpiece | Human Necessities | 7 | Expired |
| US4144644A | Modular selector valve assembly | Human Necessities | 6 | Expired |
| US4949828A | Apparatus and method for sensing clutch slippage | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4541802A | Swivel hose coupling for dental handpiece or the like | Human Necessities | 4 | Expired |
| US4074434A | Pressure-responsive speed control for dental handpieces | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.