Frank Fischer
17Patents
6h-index
31Co-inventors
66Inventor score
Filing activity: Sep 13, 1976 → Jun 9, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4103709A | Spout tube assembly | Emerging Cross-Sectional Technologies | 59 | Expired |
| US5048792A | Mixing faucet rotary brake | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7032743B2 | Conveyor pan | Performing Operations; Transporting | 14 | Expired |
| US6896121B2 | Conveyor pan | Performing Operations; Transporting | 10 | Expired |
| US5704267A | Guide shoe for a cutting machine especially for a drum or disk shearer | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5938000A | Conveyor chute for chain scraper conveyors, in particular for use in mining | Performing Operations; Transporting | 7 | Expired |
| US5601341A | Drive gear and guide arrangement for a mining machine, in particular a disk shearer | Fixed Constructions | 6 | Expired |
| US6966429B2 | Conveyor pan | Performing Operations; Transporting | 5 | Expired |
| US8662287B2 | Scraper for scraper chain conveyors | Performing Operations; Transporting | 4 | Active |
| US8794429B2 | Pan section | Fixed Constructions | 3 | Active |
| US5700061A | Guide and drive arrangement for the winning machines of mineral winning installations | Fixed Constructions | 3 | Expired |
| US7325670B2 | Conveyor pan | Performing Operations; Transporting | 3 | Expired |
| US5931540A | Drive system having a pin drive chain for a cutting machine for underground mining | Fixed Constructions | 1 | Expired |
| US9132963B2 | Multipart chain fixing device, trough element and parts for the same | Performing Operations; Transporting | 1 | Active |
| US7350874B2 | Method and device for extracting extraction products in underground mining | Fixed Constructions | 1 | Expired |
| US5941154A | Guide shoe for a cutting machine | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6872025B2 | Toggle retainer for toggle connections | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.