Berthold Walter
6Patents
3h-index
17Co-inventors
50Inventor score
Filing activity: Mar 20, 1978 → Feb 2, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4347054A | Orthodontic expansion screw | Human Necessities | 30 | Expired |
| US5472344A | Expansion screw for tooth adjustment | Human Necessities | 24 | Expired |
| US4793277A | Detector of the inflation pressure of motor vehicle tires | Performing Operations; Transporting | 15 | Expired |
| US4260973A | Plug-in electromagnetic relay | Electricity | 2 | Expired |
| US4604598A | Electromagnetic relay with underslung armature | Electricity | 1 | Expired |
| US4628290A | Electromagnetic relay with zig-zag armature spring | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.