David L. Hamann
37Patents
23h-index
43Co-inventors
85Inventor score
Filing activity: Jul 6, 1983 → Dec 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6402701B1 | Biopsy needle instrument | Human Necessities | 597 | Expired |
| US5865730A | Tissue stabilization device for use during surgery having remotely actuated feet | Human Necessities | 325 | Expired |
| US6689072B2 | Biopsy needle instrument | Human Necessities | 229 | Expired |
| US6187019A | Surgical anastomosis instrument | Human Necessities | 224 | Expired |
| US6015416A | Surgical anastomosis instrument | Human Necessities | 139 | Expired |
| US6007486A | Tissue stabilization device for use during surgery having a segmented shaft | Human Necessities | 126 | Expired |
| US6013027A | Method for using a tissue stabilization device during surgery | Mechanical Engineering; Lighting; Heating | 124 | Expired |
| US5984864A | Tissue stabilization device for use during surgery | Human Necessities | 101 | Expired |
| US5879291A | Device used with a surgical retractor to elevate body parts | Human Necessities | 84 | Expired |
| US5846194A | Surgical retraction apparatus | Human Necessities | 80 | Expired |
| US6193652A | Tissue stabilization device for use during surgery having spherical curved feet | Human Necessities | 76 | Expired |
| USD309687S | Tool rack | General | 65 | Expired |
| USD312385S | Two prong hook | General | 61 | Expired |
| USD329707S | Slotted wall strip | General | 53 | Expired |
| USD312959S | Curved peg hook | General | 52 | Expired |
| USD311799S | Parts bin | General | 48 | Expired |
| US4796369A | Floor sign extension attachment | Physics | 43 | Expired |
| USD312384S | Straight peg hook | General | 36 | Expired |
| USD310748S | Parts drawer | General | 35 | Expired |
| USD309970S | Elongated parts bin | General | 31 | Expired |
| USD306689S | Round hook | General | 31 | Expired |
| USD310762S | Wrench rack | General | 27 | Expired |
| US6102475A | Stool with attached table | Human Necessities | 23 | Expired |
| USD312960S | Double hook | General | 22 | Expired |
| USD330093S | Soap bar | General | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.