Frank Hegner
48Patents
17h-index
49Co-inventors
81Inventor score
Filing activity: Dec 22, 1983 → Oct 28, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5050034A | Pressure sensor and method of manufacturing same | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5005421A | Pressure sensor and method for the manufacture thereof | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5050035A | Capacitive pressure sensor and method of manufacturing same | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5539611A | Interface connection through an insulating part | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5400489A | Method of stabilizing the surface properties of objects to be thermally treated in a vacuum | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5001595A | Capacitive pressure sensor and method of manufacturing same | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5750899A | Capacitive pressure sensor with sensing element mechanically isolated from the casing | Physics | 28 | Expired |
| US6267009A | Capacitive pressure sensor cells or differential pressure sensor cells and methods for manufacturing the same | Physics | 22 | Expired |
| US5471723A | Methods of manufacturing thin-film absolute pressure sensors | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5334344A | Ternary active brazing based on a zirconium-nickel alloy | Performing Operations; Transporting | 22 | Expired |
| US5670063A | Method for making an interface connection through an insulating part | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6578427B1 | Capacitive ceramic relative-pressure sensor | Physics | 20 | Expired |
| US5836063A | Method for producing capacitive ceramic absolute pressure sensors sorted in zero-point long-term stability defect classes | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6374680B1 | Capacitive pressure sensor or capacitive differential pressure sensor | Physics | 19 | Expired |
| US6615665B1 | Pressure measuring device | Physics | 19 | Expired |
| US5954900A | Process for joining alumina ceramic bodies | Chemistry; Metallurgy | 17 | Expired |
| US5351938A | Apparatus for fabricating a foil | Performing Operations; Transporting | 17 | Expired |
| US5076147A | Pressure sensor including a diaphragm having a protective layer thereon | Physics | 17 | Expired |
| US6595064B2 | Capacitive pressure sensor | Physics | 15 | Expired |
| US5194697A | Electrically conductive feedthrough connection and methods of manufacturing same | Electricity | 15 | Expired |
| US4603455A | Method for making a thin-film humidity sensor for measuring absolute humidity | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6941814B2 | Hydrophobically coated pressure sensor | Physics | 12 | Expired |
| US6156130A | Screen-printable or dispensable active brazing pastes and process for producing the same | Chemistry; Metallurgy | 11 | Expired |
| US6848318B2 | Pressure sensor having metallic diaphragm seal joint | Physics | 11 | Expired |
| US6715356B2 | Pressure sensor having metallic diaphragm seal mount | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.