Harald Pfeffinger
10Patents
5h-index
29Co-inventors
58Inventor score
Filing activity: Aug 3, 1998 → Jul 19, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6772715B2 | Cooling circuit of a liquid-cooled internal combustion engine | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US7237513B2 | Internal combustion engine for a motor vehicle | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6221504A | Coating consisting of hypereutectic aluminum/silicon alloy and/or an aluminum/silicon composite material | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6515254B2 | Method for the surface treatment of a tribological coating | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7267045B2 | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6080360A | Coating for a cylinder of a reciprocating engine | Chemistry; Metallurgy | 4 | Expired |
| US6397464B1 | Method for producing a valve seat | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7318395B2 | Internal combustion engine having a coolant circuit | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7344312B2 | Bearing shell made of hybrid material and process for production thereof | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7013858B2 | Method for the production of a valve seat | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.