David Fish
9Patents
5h-index
8Co-inventors
56Inventor score
Filing activity: Nov 7, 1980 → Dec 7, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5803179A | Screened well drainage pipe structure with sealed, variable length labyrinth inlet flow control apparatus | Fixed Constructions | 139 | Expired |
| US5166664A | Warning method and apparatus and parallel correlator particularly useful therein | Physics | 121 | Expired |
| US4349071A | Cement retainer and setting tool assembly | Fixed Constructions | 70 | Expired |
| US5422626A | Electrical monitoring system | Physics | 20 | Expired |
| US4416330A | Side pocket mandrel | Fixed Constructions | 19 | Expired |
| US5368242A | Bunk silo unloader | Human Necessities | 4 | Expired |
| US10857324B2 | Urinary catheter | Human Necessities | 1 | Active |
| USRE32469E | Side pocket mandrel | General | 1 | Expired |
| US11850370B2 | Urinary catheter | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.