Alfred Beier
10Patents
5h-index
8Co-inventors
59Inventor score
Filing activity: Jan 27, 1975 → Mar 13, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4834048A | Internal combustion engine having at least two inlet valves per combustion chamber | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5307768A | Camshaft arrangement having angularly movable cams | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4231727A | Vacuum producing rotary vane pump with shaft lubrication | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US3989018A | Exhaust gas recycling apparatus | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4018098A | Exhaust gas return valve actuating rod | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5501121A | Camshaft arrangement having a cam mounted for limited angular motion | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6510762B1 | Member comprising several layers of a flat material and method for making the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5836215A | Laminar cam arrangement | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4112783A | Exhaust gas return valve actuating rod | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6280115A | Control shaft carrying a control element and method for its manufacture | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.