Charles Dugan
14Patents
6h-index
3Co-inventors
51Inventor score
Filing activity: Jul 18, 1978 → Feb 21, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4347028A | Pipe handling apparatus | Fixed Constructions | 34 | Expired |
| US4207186A | Process for dewatering mineral concentrates | Chemistry; Metallurgy | 20 | Expired |
| US4495891A | Method and apparatus for rearing aquatic animals | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4206063A | Dewatering aid composition | Performing Operations; Transporting | 12 | Expired |
| US4250835A | Apparatus and method for rearing shrimp | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4249480A | Apparatus and method for rearing shrimp | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4285298A | Method and apparatus for rearing post-larvae shrimp | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4467743A | Method and apparatus for rearing post-larvae shrimp | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4382423A | Method and apparatus for rearing aquatic animals | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4440109A | Method and apparatus for rearing post-larvae shrimp | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4469048A | Method and apparatus for rearing post-larvae shrimp | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4501227A | Method and apparatus for rearing post-larvae shrimp | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4392454A | Apparatus and method for rearing shrimp | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4389974A | Apparatus and method for rearing shrimp | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.