John D. Stephens
9Patents
7h-index
18Co-inventors
60Inventor score
Filing activity: Dec 4, 1989 → Nov 28, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5895298A | DC biopotential electrode connector and connector condition sensor | Emerging Cross-Sectional Technologies | 115 | Expired |
| US5660177A | D.C. biopotential sensing electrode assemblies for apparatus for disease, injury and bodily condition screening or sensing | Human Necessities | 95 | Expired |
| US5678547A | Method and apparatus for screening or sensing bodily conditions using DC biopotentials | Physics | 59 | Expired |
| US5823957A | D.C. biopotential sensing electrode and electroconductive medium for use therein | Human Necessities | 34 | Expired |
| US10058089B1 | Electromechanical horn for deterring animals | Electricity | 30 | Active |
| US6351666B1 | Method and apparatus for sensing and processing biopotentials | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4986274A | Fetal anatomic sex assignment by ultrasonography during early pregnancy | Human Necessities | 13 | Expired |
| US9504233B2 | Electromechanical horn for deterring animals | Human Necessities | 2 | Active |
| USD374184S | DC biopotential measuring unit | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.