Zumbach Electronic-Automatic
3Patents
0Active
3Granted
25Portfolio score
Filing activity: Dec 21, 1973 → Dec 23, 1974
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3939389A | Positioning control apparatus | Performing Operations; Transporting | 7 | Expired |
| US3948082A | Method and device for contactless measuring of the thickness of layers, particularly of insulating layers on metallic parts | Performing Operations; Transporting | 6 | Expired |
| US3977008A | Method and an apparatus for detecting and recording the number of phenomena | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.