Charles Gresl
43Patents
35h-index
34Co-inventors
85Inventor score
Filing activity: May 8, 1975 → Aug 11, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5531856A | Endoscopic inflatable retraction devices | Emerging Cross-Sectional Technologies | 1,175 | Expired |
| US5681341A | Flexible lifting apparatus | Human Necessities | 1,140 | Expired |
| US5527264A | Methods of using endoscopic inflatable retraction devices | Human Necessities | 1,102 | Expired |
| US6800085B2 | Methods and apparatus for treating vascular occlusions | Human Necessities | 514 | Expired |
| US5507755A | Apparatus and method for closing puncture wounds | Human Necessities | 510 | Expired |
| US5309896A | Retraction methods using endoscopic inflatable retraction devices | Human Necessities | 479 | Expired |
| US6508825B1 | Apparatus for treating vascular occlusions | Human Necessities | 313 | Expired |
| US6217549A | Methods and apparatus for treating vascular occlusions | Human Necessities | 302 | Expired |
| US5865728A | Method of using an endoscopic inflatable lifting apparatus to create an anatomic working space | Human Necessities | 282 | Expired |
| US6123689A | Reusable cannula with disposable seal | Human Necessities | 237 | Expired |
| US5582618A | Surgical cutting instrument | Human Necessities | 193 | Expired |
| US5402772A | Endoscopic expandable retraction device | Emerging Cross-Sectional Technologies | 156 | Expired |
| US5779728A | Method and inflatable chamber apparatus for separating layers of tissue | Human Necessities | 151 | Expired |
| US5728119A | Method and inflatable chamber apparatus for separating layers of tissue | Human Necessities | 144 | Expired |
| US6599304B1 | Methods and apparatus for treating vascular occlusions | Human Necessities | 140 | Expired |
| US6746462B1 | Methods and apparatus for treating vascular occlusions | Human Necessities | 136 | Expired |
| US3972812A | Blood serum separation filter disc | Performing Operations; Transporting | 131 | Expired |
| US6638247B1 | Method and apparatus for treating vascular occlusions | Human Necessities | 124 | Expired |
| US5925058A | Method and inflatable chamber apparatus for separating layers of tissue | Human Necessities | 108 | Expired |
| US6605037B1 | Endoscopic inflatable retraction device | Human Necessities | 105 | Expired |
| US6673087B1 | Elongated surgical scissors | Human Necessities | 104 | Expired |
| US5385570A | Surgical cutting instrument | Human Necessities | 99 | Expired |
| US5514075A | Properitoneal mechanical retraction apparatus and methods of using | Human Necessities | 95 | Expired |
| US5267970A | Device for anchoring trocar sleeve | Human Necessities | 93 | Expired |
| US5104381A | Pneumoneedle with removable stylet assembly | Human Necessities | 84 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.