Heiko Gruner
19Patents
13h-index
23Co-inventors
78Inventor score
Filing activity: Oct 13, 1977 → Aug 7, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5328779A | Fuel cell battery and solid electrolyte fuel cells therefore | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4661682A | Plasma spray gun for internal coatings | Electricity | 56 | Expired |
| US4596718A | Vacuum plasma coating apparatus | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4464646A | Controlled temperature coefficient thin-film circuit element | Electricity | 31 | Expired |
| US4498337A | Temperature sensor for determining mass transfer rate and/or temperature rate of a flowing medium | Physics | 30 | Expired |
| US4345465A | Probe for measuring flow rate and/or temperature of a flowing medium | Physics | 26 | Expired |
| US4283944A | Apparatus for measuring the mass of a fluid medium | Physics | 24 | Expired |
| US4151545A | Semiconductor electric circuit device with plural-layer aluminum base metallization | Electricity | 20 | Expired |
| US4620365A | Method of making a thin-film strain gauge | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4900639A | Cladding of bearing metal and process for production thereof | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4358748A | Thin film circuit | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4219399A | Internally, electrically heated electrochemical sensing element | Physics | 14 | Expired |
| US4522067A | Thin-film strain gauge | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4418329A | Fast-response temperature sensor | Physics | 9 | Expired |
| US4368453A | Rapid acting gas temperature sensor | Electricity | 8 | Expired |
| US4596762A | Electronic thin-film circuit and method for producing it | Electricity | 7 | Expired |
| US8528835B2 | Plasma spray nozzle with internal injection | Electricity | 0 | Active |
| US4898785A | CR.sub.2 O.sub.3 -protective coating and process for its manufacture | Chemistry; Metallurgy | 0 | Expired |
| US9309587B2 | Plasma spray nozzle with internal injection | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.