Richard D. Gresham
46Patents
24h-index
39Co-inventors
85Inventor score
Filing activity: Jun 16, 1993 → Oct 7, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6945444B2 | Surgical stapling device for performing circular anastomoses | Human Necessities | 2,341 | Expired |
| US6024748A | Singleshot anastomosis instrument with detachable loading unit and method | Human Necessities | 2,050 | Expired |
| US7303106B2 | Surgical stapling device with visual indicator | Human Necessities | 2,007 | Expired |
| US7546940B2 | Pivoting anvil assembly for surgical stapling device | Human Necessities | 1,961 | Active |
| US7234624B2 | Surgical stapling device for performing circular anastomoses | Human Necessities | 1,937 | Expired |
| US8579937B2 | Tool member cover and cover deployment device | Human Necessities | 1,659 | Active |
| US7722610B2 | Multiple coil staple and staple applier | Emerging Cross-Sectional Technologies | 1,538 | Active |
| US9204923B2 | Medical instrument electronically energized using drive cables | Human Necessities | 1,459 | Active |
| US8464924B2 | Surgical stapling device for performing circular anastomoses | Human Necessities | 1,442 | Active |
| US9307994B2 | Surgical stapling device for performing circular anastomoses | Human Necessities | 1,119 | Active |
| US7896897B2 | Sheath introduction apparatus and method | Human Necessities | 1,071 | Active |
| US5603702A | Valve system for cannula assembly | Human Necessities | 323 | Expired |
| US5657963A | Seal assembly for accommodating introduction of surgical instruments | Human Necessities | 292 | Expired |
| US5895377A | Valve system for cannula assembly | Human Necessities | 250 | Expired |
| US5492304A | Seal assembly for accommodating introduction of surgical instruments | Human Necessities | 226 | Expired |
| US7811251B2 | Trocar anchor | Human Necessities | 157 | Active |
| US5807338A | Modular trocar system and methods of assembly | Human Necessities | 134 | Expired |
| US7850667B2 | Low profile instrument access device | Human Necessities | 114 | Active |
| US9138284B2 | Electrosurgical tool cover | Human Necessities | 95 | Active |
| US5980493A | Modular trocar system and methods and assembly | Human Necessities | 89 | Expired |
| US8579938B2 | Staple for use in surgical procedures | Human Necessities | 62 | Active |
| US11000331B2 | Electrosurgical tool cover | Human Necessities | 54 | Active |
| US7691089B2 | Adjustable trocar washer | Human Necessities | 46 | Active |
| US5967974A | Surgical retractor | Human Necessities | 28 | Expired |
| US8177755B2 | Access sheath with central seal | Human Necessities | 18 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.