Leo Steinke
23Patents
12h-index
32Co-inventors
81Inventor score
Filing activity: Mar 1, 1974 → Mar 3, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4019974A | Electrochemical sensor construction | Physics | 31 | Expired |
| US3960693A | Device for electrochemically measuring the concentration of oxygen in combustion gases | Physics | 27 | Expired |
| US4132615A | Internal combustion engine exhaust gas oxygen sensor and catalyzer combination | Physics | 25 | Expired |
| US4963112A | Method of production of a spark plug for internal combustion engines | Electricity | 21 | Expired |
| US4093887A | Spark plug, particularly for internal combustion engines having composite center electrode | Electricity | 19 | Expired |
| US4187163A | Electrochemical exhaust gas oxygen sensor construction | Physics | 18 | Expired |
| US4211204A | Glow plug arrangement | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4075998A | Electrical on-off-starting operation control system for engines requiring pre-heat time, such as automotive Diesel engines | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4369748A | Optical engine knock sensing system | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4347113A | Oxygen content exhaust gas sensor, and method of its manufacture | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4285307A | Method of preheating an internal combustion engine of the diesel, or similar, type | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4057477A | Device for electrochemically measuring the concentration of oxygen in combustion gases | Physics | 12 | Expired |
| US4969353A | Spark plug with a pressure measuring device | Physics | 11 | Expired |
| US4200077A | Glow plug structure | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4176644A | Engine ignition system with variable spark internal duration | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4087904A | Method to manufacture glow plugs, particularly to secure glow elements in sockets | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4065372A | Electrochemical oxygen sensing element, particularly for determination of oxygen content in the exhaust gases of automotive internal combustion engines | Physics | 10 | Expired |
| US4252091A | Glow plug construction | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4958515A | Spark plug with a measurement device | Electricity | 5 | Expired |
| US4380973A | Glow plug for diesel engines | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5374822A | Optical transmitter for producing an optical signal indicative of temperature | Physics | 2 | Expired |
| USRE31392E | Arrangements for electronically determining and adjusting the ignition time of an internal combustion engine | General | 0 | Expired |
| US5645327A | Antilock control system | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.