Hans List
5Patents
0Active
5Granted
25Portfolio score
Filing activity: Dec 5, 1977 → Mar 26, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4194401A | Transducer for measuring the internal pressure in pipes | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4169387A | Transducer for mechanical measured variables, especially a pressure transducer | Physics | 18 | Expired |
| US4194484A | Internal combustion engine having a noise suppressing encapsulation | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4197826A | Internal combustion engine having a noise-suppressing encapsulation | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4340014A | Ventilation blower for a noise-suppressing encapsulated internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.