Thomas Barthel
22Patents
13h-index
47Co-inventors
81Inventor score
Filing activity: Mar 6, 1975 → Sep 6, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5735792A | Surgical instrument including viewing optics and an atraumatic probe | Human Necessities | 255 | Expired |
| US4151513A | Apparatus for sensing and transmitting a pacemaker's stimulating pulse | Human Necessities | 235 | Expired |
| US5941816A | Viewing system with adapter handle for medical breathing tubes | Human Necessities | 179 | Expired |
| US5667478A | Surgical instrument with stick-on fiber-optic viewing system and method of using | Human Necessities | 112 | Expired |
| US4365290A | Computer system with power control circuit | Human Necessities | 110 | Expired |
| US5921917A | Hand-held viewing system with removable sheath | Human Necessities | 64 | Expired |
| US5512034A | Surgical instrument including viewing optics and a ball probe | Human Necessities | 57 | Expired |
| US5415158A | Flexible endoscope with force limiting spring coupler | Human Necessities | 34 | Expired |
| US4364396A | Circuit and method for measuring PSA output and energy | Human Necessities | 24 | Expired |
| US4333470A | Output pulse artifact rejection in demand pacemakers | Human Necessities | 19 | Expired |
| US5951463A | Hand-held endoscopic viewing system | Human Necessities | 18 | Expired |
| USRE32378E | Output pulse artifact rejection in demand pacemakers and sensing circuits employed in conjunction therewith | General | 16 | Expired |
| US6814698B2 | Endoscope with flexible light guide having offset distal end | Human Necessities | 14 | Expired |
| US6123762A | Low-dust, well dispersible granulates based on silicate fillers modified with organosilicon compounds | Chemistry; Metallurgy | 13 | Expired |
| US9297454B2 | Gear unit with improved lubricant supply | Emerging Cross-Sectional Technologies | 12 | Active |
| US6902715B2 | Precipitated silicas having a narrow particle size distribution | Chemistry; Metallurgy | 5 | Expired |
| US8722751B2 | Thermostable microporous polymethacrylimide foams | Emerging Cross-Sectional Technologies | 5 | Active |
| US10619024B2 | Polyfunctional alcohols as cross-linkers in PMI foams | Chemistry; Metallurgy | 3 | Active |
| US4397316A | Rate and A-V delay generator for heart pacemaker | Human Necessities | 2 | Expired |
| US7247694B2 | PMI syrup phases and their use for stabilizing insoluble additives | Chemistry; Metallurgy | 2 | Expired |
| US9212269B2 | PMI foams with improved mechanical properties, in particular with increased elongation at tear | Emerging Cross-Sectional Technologies | 2 | Active |
| US10106426B2 | Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.