Helmut Weyl
67Patents
17h-index
83Co-inventors
87Inventor score
Filing activity: Mar 1, 1974 → Jan 25, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5246562A | Gas measurement sensor, especially for determining oxygen concentration in exhaust gases of internal combustion engines | Physics | 44 | Expired |
| US4556475A | Electrochemical gas sensor probe construction | Physics | 32 | Expired |
| US4019974A | Electrochemical sensor construction | Physics | 31 | Expired |
| US4818363A | Combustion exhaust gas sensor structure, particularly for automotive engine exhaust gases | Physics | 30 | Expired |
| US3960693A | Device for electrochemically measuring the concentration of oxygen in combustion gases | Physics | 27 | Expired |
| US3960692A | Electro-chemical sensor construction | Physics | 26 | Expired |
| US4636293A | Internally heated oxygen sensor, particularly for use with internal combustion engines | Physics | 24 | Expired |
| US5795454A | Seal for a sensor element of a gas sensor | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6150607A | Cable bushing for connecting at least one cable of a gas sensor | Physics | 21 | Expired |
| US5942092A | Sensor | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5846391A | Seal for a sensor element of a gas sensor | Physics | 20 | Expired |
| US6164120A | Detector and method for the production thereof | Physics | 20 | Expired |
| US5423973A | Exhaust gas sensor and method of producing the same | Physics | 20 | Expired |
| US4560463A | Gas sensor, particularly oxygen sensor exposed to combustion exhaust gases | Physics | 20 | Expired |
| US7434448B2 | Sensor | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4187163A | Electrochemical exhaust gas oxygen sensor construction | Physics | 18 | Expired |
| US4756885A | Measuring sensor for determining the oxygen content in gases | Physics | 17 | Expired |
| US4211204A | Glow plug arrangement | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6206377A | Seal arrangement for a sensing element of a gas sensor | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4437971A | Electrochemical oxygen sensor, particularly for exhaust gases from combustion engines | Physics | 15 | Expired |
| US5670032A | Electro-chemical measuring sensor with a potential-free sensor element and method for producing it | Physics | 14 | Expired |
| US6672132B1 | Sensing element seal for a gas sensor | Physics | 14 | Expired |
| US5949023A | Temperature-resistant cable bushing and method for the manufacture of the same | Electricity | 14 | Expired |
| US6273432A | Sealing element for sensors | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6347543B1 | Measuring sensor and method for its fabrication | Emerging Cross-Sectional Technologies | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.