David W. Hoffman
26Patents
16h-index
43Co-inventors
81Inventor score
Filing activity: Jul 9, 1979 → Dec 14, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7962622B2 | System and method for providing provisioning and upgrade services for a wireless device | Electricity | 252 | Active |
| US6112119A | Method for automatically adjusting the sensitivity of cardiac sense amplifiers | Human Necessities | 94 | Expired |
| US8353860B2 | Device for obstruction removal with specific tip structure | Human Necessities | 88 | Active |
| US5869950A | Method for equalizing the voltage of traction battery modules of a hybrid electric vehicle | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4742265A | Spark plug center electrode of alloy material including aluminum and chromium | Electricity | 64 | Expired |
| US7846107B2 | Endoscopic apparatus with integrated multiple biopsy device | Human Necessities | 63 | Expired |
| US6540655B1 | Miniature x-ray unit | Human Necessities | 59 | Expired |
| US5828201A | Method for maintaining the charge capacity of traction battery modules of a hybrid electric vehicle | Emerging Cross-Sectional Technologies | 52 | Expired |
| US8357148B2 | Multi-functional endoscopic system for use in electrosurgical applications | Human Necessities | 42 | Active |
| US7711433B2 | Switched power using telemetry in an implantable medical device | Human Necessities | 41 | Active |
| US8083671B2 | Fluid delivery system for use with an endoscope | Human Necessities | 39 | Active |
| US6910999B2 | Miniature x-ray unit | Human Necessities | 39 | Expired |
| US7424473B2 | System and method for asset tracking with organization-property-individual model | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7743119B2 | System and method for mapping identification codes | Electricity | 30 | Expired |
| US8428712B2 | Concurrent delivery of treatment therapy with telemetry in an implantable medical device | Human Necessities | 19 | Active |
| US4525264A | Cylindrical post magnetron sputtering system | Electricity | 16 | Expired |
| US4256780A | Metallization process | Chemistry; Metallurgy | 16 | Expired |
| US4820392A | Method of increasing useful life of tool steel cutting tools | Chemistry; Metallurgy | 15 | Expired |
| US8350894B2 | System and method for stereoscopic imaging | Electricity | 8 | Active |
| US8097003B2 | Endoscopic apparatus with integrated variceal ligation device | Human Necessities | 7 | Active |
| US4925346A | Method of increasing useful life of tool steel cutting tools | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6894980B1 | Automated method and system for verifying end-to-end connectivity in a broadband network | Electricity | 4 | Expired |
| US8585715B2 | Endoscopic apparatus with integrated variceal ligation device | Human Necessities | 3 | Active |
| US4683758A | Device for measuring stresses in vacuum deposition coatings | Physics | 2 | Expired |
| US7749149B2 | Miniature x-ray unit | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.