Holger Stark
12Patents
3h-index
16Co-inventors
53Inventor score
Filing activity: Aug 16, 2004 → Feb 14, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9869326B2 | Centrifugal pump in particular for waste water or polluted water | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US9412558B2 | High-resolution amplitude contrast imaging | Electricity | 7 | Active |
| US7513107B2 | Air supply device for an internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7552911B2 | Multipart composite valve for an internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7260929B2 | Secondary air deliver device for an internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7862007B2 | Lightweight valve | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7941922B2 | Method of manufacturing a lightweight valve | Emerging Cross-Sectional Technologies | 1 | Active |
| US7905468B2 | Lightweight valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7438529B2 | Compressor and turbine wheel for a secondary air feed device | Emerging Cross-Sectional Technologies | 1 | Active |
| US8261720B2 | Piezoelectric actuator with a sheathing composed of a composite material | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9406964B2 | Fuel cell stack | Emerging Cross-Sectional Technologies | 0 | Active |
| US9385394B2 | Fuel cell stack | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.