Thomas Hardt
13Patents
6h-index
25Co-inventors
66Inventor score
Filing activity: Dec 2, 1987 → Oct 25, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4823747A | Cylinder head camshaft mounting arrangement | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US6131543A | Oil pan for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6443696B1 | Exhaust gas turbocharger turbine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6223702A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5704314A | Electromagnetic operating arrangement for intake and exhaust valves of internal combustion engines | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4957068A | Liquid-cooled four-valve cylinder head for a multi-cylinder internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6070563A | Crankcase of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8426350B2 | Detergent composition | Chemistry; Metallurgy | 4 | Active |
| US6053142A | Crankcase of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6065439A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11499118B2 | Metal working fluid additive composition | Chemistry; Metallurgy | 1 | Active |
| US11952552B2 | Metal working fluid additive composition | Chemistry; Metallurgy | 0 | Active |
| US4919371A | Sealing passage arrangement for a pipeline | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.