Rolf Berger
8Patents
4h-index
25Co-inventors
57Inventor score
Filing activity: Nov 26, 1975 → Feb 26, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6499509B2 | Valve means | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4231085A | Arrangement for micro instruction control | Physics | 17 | Expired |
| US6554017B2 | Pressure regulating valve with secondary venting measures | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6039358A | Connecting means for two members in fluid conducting assembly | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8689833B2 | Valve device | Emerging Cross-Sectional Technologies | 2 | Active |
| US7404541B2 | Solenoid valve | Electricity | 1 | Active |
| US3977895A | Method of reducing the amount of cadmium capable of being extracted from calcined cadmium pigment powder by human gastric juices | Chemistry; Metallurgy | 0 | Expired |
| US4463692A | Shuttle embroidery machine | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.