Gerhard Frey
10Patents
5h-index
34Co-inventors
66Inventor score
Filing activity: Jul 22, 1974 → Nov 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5594173A | Test device for vehicles having a wheel rotation speed sensor which is sensitive to magnetic fields | Physics | 17 | Expired |
| US4089505A | Oscillating slide valve | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US3967938A | Process for the separation of a gaseous mixture consisting of water vapor, hydrocarbons, and air | Performing Operations; Transporting | 9 | Expired |
| US7032981B2 | Control system for a vehicle | Performing Operations; Transporting | 7 | Expired |
| US4020352A | System for irradiating flowable material | Chemistry; Metallurgy | 5 | Expired |
| US4738691A | Process for removal of impurities from a gas | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US11142161B2 | Belt deflector | Performing Operations; Transporting | 1 | Active |
| US9833045B2 | Belt buckle with belt buckle housing | Performing Operations; Transporting | 0 | Active |
| US11547183B2 | Belt deflector | Performing Operations; Transporting | 0 | Active |
| US12097080B2 | Interchangeable labelling plate | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.