Joseph Porter
5Patents
4h-index
30Co-inventors
57Inventor score
Filing activity: Apr 3, 1975 → Jun 4, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8457781B2 | Facility wide mixed mail sorting and/or sequencing system and components and methods thereof | Emerging Cross-Sectional Technologies | 69 | Active |
| US4616640A | Birth control method and device employing electric forces | Emerging Cross-Sectional Technologies | 48 | Expired |
| US9020634B2 | Facility wide mixed mail sorting and/or sequencing system and components and methods thereof | Emerging Cross-Sectional Technologies | 29 | Active |
| US3982088A | High-voltage electric circuit breaker comprising series-connected vacuum interrupter and fluid blast interrupter | Electricity | 4 | Expired |
| US4493816A | Insulation system for process vessel | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.