Rudolf Pollner
17Patents
8h-index
20Co-inventors
72Inventor score
Filing activity: Mar 4, 1974 → Jun 7, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4021326A | Electro-chemical sensor | Physics | 77 | Expired |
| US3978006A | Methods for producing oxygen-sensing element, particularly for use with internal combustion engine exhaust emission analysis | Physics | 62 | Expired |
| US4097977A | Method to attach the center electrode into a ceramic insulator body of spark plugs | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6380664B1 | Spark plug having an internal conductor configuration | Electricity | 23 | Expired |
| US4406968A | Sparkplug for internal combustion engine | Electricity | 21 | Expired |
| US5952770A | Spark plug for internal combustion engine | Electricity | 15 | Expired |
| US4152234A | Solid closed ended tubular oxygen sensor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4519784A | Method of inserting a center electrode in a spark plug insulator | Electricity | 10 | Expired |
| US6559578B1 | Spark plug for an internal combustion engine | Electricity | 8 | Expired |
| US5565730A | Electrically conducting sealing compound for spark plugs | Electricity | 7 | Expired |
| US6580202B1 | Electrically conductive sealing mass for spark plugs | Electricity | 6 | Expired |
| US6455988B1 | Spark plug having a particular resistor | Electricity | 5 | Expired |
| US6922007B2 | Spark plug with glaze coating | Electricity | 4 | Expired |
| US6794802B2 | Spark plug for an internal combustion engine and method for producing a spark plug | Electricity | 4 | Expired |
| US6693053B2 | Glass and glass powder mixture and use thereof for the production of a glass ceramic | Chemistry; Metallurgy | 3 | Expired |
| US6699807B2 | Glass ceramic material, method for producing the same and spark plug containing such a glass ceramic material | Chemistry; Metallurgy | 1 | Expired |
| US7128630B2 | Method for manufacturing a spark plug with glaze coating | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.