Karl-Heinz Bernhardt
6Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Mar 19, 1979 → Jul 12, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4320653A | Method of and apparatus for measuring the rate of leak | Physics | 32 | Expired |
| US5166566A | Magnetic bearings for a high speed rotary vacuum pump | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4424633A | Apparatus for heating and drying articles | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4423766A | Vacuum condensation apparatus | Performing Operations; Transporting | 13 | Expired |
| US6071085A | Gas ballast system for a multi-stage positive displacement pump | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4242942A | Hydraulic positioner with feedback device | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.