Martin E. Benjamin
11Patents
7h-index
4Co-inventors
48Inventor score
Filing activity: Sep 7, 1976 → Jun 27, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4106781A | Unitized, grease-purgeable seal | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US4270442A | Disc brake boot | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4166627A | Thrust washer and combination seal and thrust washer | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4268040A | Thrust washer and combination seal and thrust washer method and apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4155153A | Method for making a shaft seal having a guard or scraper | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4335889A | Shaft seal with liner flange | Performing Operations; Transporting | 9 | Expired |
| US4175756A | Combination thrust washer and seal article, apparatus | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4289318A | Hydraulic motor balancing ring seal | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4053030A | Piston seal and return spring | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4270759A | Combination thrust washer and seal article, apparatus and method | Performing Operations; Transporting | 4 | Expired |
| US4168837A | Shaft seal with scraper | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.