Jeffrey W. Zerfas
29Patents
9h-index
26Co-inventors
75Inventor score
Filing activity: Jan 31, 1994 → May 25, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5538509A | Trocar assembly | Human Necessities | 231 | Expired |
| US5752938A | Seal for surgical instruments | Human Necessities | 165 | Expired |
| US8409193B2 | RF ablation probes with tine valves | Human Necessities | 115 | Active |
| US7524318B2 | Ablation probe with flared electrodes | Human Necessities | 77 | Expired |
| US5941852A | Trocar assembly | Human Necessities | 71 | Expired |
| US5855566A | Trocar assembly | Human Necessities | 38 | Expired |
| US8419293B2 | Methods and apparatus related to a launch connector portion of a ureteroscope laser-energy-delivery device | Physics | 13 | Active |
| US7896874B2 | RF ablation probes with tine valves | Human Necessities | 11 | Active |
| US9393033B2 | Tissue and stone removal device and related methods of use | Human Necessities | 9 | Active |
| US8888378B2 | Methods and apparatus related to a launch connector portion of a ureteroscope laser-energy-delivery device | Physics | 9 | Active |
| US8469954B2 | Radiofrequency ablation device | Human Necessities | 8 | Active |
| US8870858B2 | Methods and apparatus related to a side-fire assembly that has an optical grating | Human Necessities | 7 | Active |
| US9329350B2 | Methods and apparatus related to a launch connector portion of a ureteroscope laser-energy-delivery device | Physics | 7 | Active |
| US8358890B2 | Method and apparatus related to a side-fire member having a doped silica component | Physics | 4 | Active |
| US10004560B2 | Tissue and stone removal device and related methods of use | Human Necessities | 4 | Active |
| US8861907B2 | Methods and apparatus related to a side-fire member having a doped silica component | Physics | 3 | Active |
| US9770290B2 | Ablation probe with flared electrodes | Human Necessities | 2 | Active |
| US9207402B2 | Methods and apparatus related to a side-fire member having a doped silica component | Physics | 1 | Active |
| US8951250B2 | Ablation probe with flared electrodes | Human Necessities | 1 | Active |
| US9788898B2 | Methods and apparatus related to a side-fire assembly that has an optical grating | Human Necessities | 1 | Active |
| US8216226B2 | Radiofrequency ablation device | Human Necessities | 1 | Active |
| US9078678B2 | Method of manufacturing RF ablation probe with unibody electrode element | Emerging Cross-Sectional Technologies | 0 | Active |
| US10799235B2 | Suturing device for treament of pelvic floor disorders | Human Necessities | 0 | Active |
| US8932290B2 | RF ablation probes with tine valves | Human Necessities | 0 | Active |
| US10470820B2 | Laser optical fiber for endoscopic surgical procedures having a re-coated elongated tip with visual burn-back indicator and an improved self-aligning stability sheath | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.