John H. Perry
10Patents
7h-index
18Co-inventors
59Inventor score
Filing activity: Nov 1, 1974 → Mar 8, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4341220A | Stereotactic surgery apparatus and method | Human Necessities | 336 | Expired |
| US4776171A | Self-contained renewable energy system | Emerging Cross-Sectional Technologies | 67 | Expired |
| US5316869A | Closed loop reactant/product management system for electrochemical galvanic energy devices | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5192627A | Closed loop reactant/product management system for electrochemical galvanic energy device | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5047298A | Closed loop reactant/product management system for electrochemical galvanic energy devices | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4883823A | Self-contained renewable energy system | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4041468A | Method and system for analysis of ambulatory electrocardiographic tape recordings | Human Necessities | 7 | Expired |
| US4331159A | Electrocardiographic storage system using a rotating film drum | Human Necessities | 3 | Expired |
| US4468973A | Remote sequential gas sampler for blasting areas | Physics | 2 | Expired |
| US3942941A | Arrangement for sterilizing a stream of gas | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.