James Epstein
26Patents
12h-index
22Co-inventors
81Inventor score
Filing activity: Aug 28, 1975 → Sep 18, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4113381A | Surveying instrument and method | Physics | 89 | Expired |
| US4121020A | Ultra-thin button-type primary electrochemical cell | Electricity | 56 | Expired |
| US4035552A | Electrochemical cell | Emerging Cross-Sectional Technologies | 41 | Expired |
| US8932750B2 | Aluminum housing with a hermetic seal | Emerging Cross-Sectional Technologies | 38 | Active |
| US9558894B2 | Advanced electrolyte systems and their use in energy storage devices | Emerging Cross-Sectional Technologies | 37 | Active |
| US9209434B2 | Mechanical hermetic seal | Emerging Cross-Sectional Technologies | 31 | Active |
| USD669969S1 | Drain insert | General | 29 | Active |
| US4252873A | Seal for electrochemical cell | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5661126A | Use of mullerian inhibiting substance for treating certain tumors and for modulating class I major histocompatibility antigen expression | Chemistry; Metallurgy | 20 | Expired |
| US4507857A | Electrochemical cell | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4293622A | Step cell | Electricity | 16 | Expired |
| US5318600A | Method for making a lithium anode for an electrochemical cell | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4209571A | Primary electrochemical cell | Electricity | 12 | Expired |
| US4182028A | Hermetically sealed button-type electrochemical cell and method for making same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4169920A | Hermetically sealed electrochemical battery | Electricity | 10 | Expired |
| US9994465B2 | Device for use with floor drains | Emerging Cross-Sectional Technologies | 7 | Active |
| US10486990B2 | Device for use with drains | Emerging Cross-Sectional Technologies | 6 | Active |
| US4352768A | Fiber reinforced cathode for electrochemical cell | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4048401A | Hermetically sealed primary electrochemical cell and a method for its production | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10714271B2 | High temperature energy storage device | Emerging Cross-Sectional Technologies | 2 | Active |
| US4574472A | Method and apparatus for inserting electrodes into the container of an electrochemical cell | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11250995B2 | Advanced electrolyte systems and their use in energy storage devices | Emerging Cross-Sectional Technologies | 1 | Active |
| US11776765B2 | Advanced electrolyte systems and their use in energy storage devices | Emerging Cross-Sectional Technologies | 0 | Active |
| US12165806B2 | Advanced electrolyte systems and their use in energy storage devices | Emerging Cross-Sectional Technologies | 0 | Active |
| US11901123B2 | High temperature energy storage device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.