Michael Frey
9Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Nov 13, 1991 → Dec 12, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5782219A | Reciprocating engine with a wobble plate transmission | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US5641232A | Portable ball washer | Human Necessities | 17 | Expired |
| US5694784A | Vehicle air conditioning system | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5178529A | Seal formed of plastic layer having outwardly open depressions | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US10556479B2 | Gyroscope-based rotation damper for a motor vehicle | Performing Operations; Transporting | 2 | Active |
| US10449818B2 | Rotation damper for a motor vehicle | Performing Operations; Transporting | 1 | Active |
| US5752806A | Method of reducing noise from the flow of gaseous media in a single rotation machine using a bypass for compression control | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US10247276B2 | Method for controlling a rotation damper functioning according to the gyroscopic principle | Performing Operations; Transporting | 0 | Active |
| US5255432A | Method for manufacturing a seal between machine parts | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.