Herbert Friedrich
6Patents
3h-index
11Co-inventors
54Inventor score
Filing activity: May 23, 1978 → Mar 26, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5534604A | Copolymers based on ethylenically unsaturated dicarboxylic anhydrides, long-chain olefins and fluoroolefins | Chemistry; Metallurgy | 13 | Expired |
| US4304569A | Formulation for brightening synthetic fibers and its preparation and use | Textiles; Paper | 5 | Expired |
| US4447350A | Mixtures of optical brighteners and their use | Textiles; Paper | 5 | Expired |
| US5504162A | Salts of copolymers of ethylenically unsaturated carboxylic acids and ethylenically unsaturated fatty acid derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4150908A | Quick connect assembly | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9095235B2 | Cleaning basin for barbecue grill | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.