Donald L. Tomkinson
9Patents
7h-index
6Co-inventors
52Inventor score
Filing activity: Jun 17, 1976 → Aug 29, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4741401A | Method for treating subterranean formations | Emerging Cross-Sectional Technologies | 244 | Expired |
| US4756844A | Controlled-release composition having a membrane comprising submicron particles | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4046718A | Polymerization method employing tubular reactor | Performing Operations; Transporting | 35 | Expired |
| US4923753A | Controlled-release compositions for acids | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4915912A | Apparatus for the generation of sulfur trioxide reagent and sulfonation of the surface of polymeric resins | Chemistry; Metallurgy | 16 | Expired |
| US4902493A | Process for the generation of sulfur trioxide reagent and sulfonation of the surface of polymeric resins | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4861250A | Mold sulfonation system | Performing Operations; Transporting | 12 | Expired |
| US4780698A | Circuit interrupter device and method for making | Electricity | 6 | Expired |
| US4879805A | Method for making a circuit interrupter device | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.