Keith Ratcliff
76Patents
66h-index
52Co-inventors
91Inventor score
Filing activity: Apr 21, 1987 → Jul 15, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5084057A | Apparatus and method for applying surgical clips in laparoscopic or endoscopic procedures | Human Necessities | 2,814 | Expired |
| US5040715A | Apparatus and method for placing staples in laparoscopic or endoscopic procedures | Human Necessities | 2,809 | Expired |
| US6644532B2 | Surgical stapling apparatus | Human Necessities | 2,653 | Expired |
| US6231565A | Robotic arm DLUs for performing surgical tasks | Human Necessities | 2,646 | Expired |
| US5326013A | Self contained gas powered surgical apparatus | Human Necessities | 2,641 | Expired |
| US6250532A | Surgical stapling apparatus | Human Necessities | 2,556 | Expired |
| US6619529B2 | Surgical stapling apparatus | Human Necessities | 2,531 | Expired |
| US6877647B2 | Surgical stapling apparatus | Human Necessities | 2,524 | Expired |
| US5425745A | Apparatus and method for placing staples in laparoscopic or endoscopic procedures | Human Necessities | 2,510 | Expired |
| US5318221A | Apparatus and method for placing staples in laparoscopic or endoscopic procedures | Human Necessities | 2,503 | Expired |
| US5554169A | Method for placing staples in laparoscopic or endoscopic procedures | Human Necessities | 2,273 | Expired |
| US7296724B2 | Surgical stapling apparatus | Human Necessities | 2,269 | Expired |
| US5636780A | Self contained gas powered surgical apparatus | Human Necessities | 2,267 | Expired |
| US5482197A | Articulating surgical cartridge assembly | Human Necessities | 2,237 | Expired |
| US5392979A | Surgical stapler apparatus | Emerging Cross-Sectional Technologies | 2,176 | Expired |
| US5456401A | Surgical apparatus having articulation mechanism | Human Necessities | 2,103 | Expired |
| US5706997A | Apparatus for applying surgical fasteners | Human Necessities | 2,085 | Expired |
| US5413268A | Apparatus and method for placing stables in laparoscopic or endoscopic procedures | Human Necessities | 2,077 | Expired |
| US5358506A | Approximating apparatus for surgical jaw structure | Human Necessities | 2,063 | Expired |
| US5476206A | Apparatus and method for placing staples in laparoscopic or endoscopic procedures | Human Necessities | 2,060 | Expired |
| US5336232A | Approximating apparatus for surgical jaw structure and method of using the same | Human Necessities | 2,028 | Expired |
| US5431322A | Self contained gas powered surgical apparatus | Human Necessities | 2,011 | Expired |
| US6827712B2 | Robotic arm DLUs for performing surgical tasks | Human Necessities | 1,942 | Expired |
| US5100420A | Apparatus and method for applying surgical clips in laparoscopic or endoscopic procedures | Emerging Cross-Sectional Technologies | 1,933 | Expired |
| US7179267B2 | Apparatus and method for performing a bypass procedure in a digestive system | Human Necessities | 1,895 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.