Harold Switzgable
5Patents
4h-index
—Co-inventors
44Inventor score
Filing activity: Nov 26, 1975 → Apr 23, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4090940A | Apparatus for producing methane gas by processing waste materials | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4053395A | Method for producing methane gas by processing waste materials | Emerging Cross-Sectional Technologies | 17 | Expired |
| US3991936A | Heat transfer system | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6015003A | Sectional overhead door construction | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4548015A | Thermally broken insulation support structure | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.