Darrell Hartwick
6Patents
4h-index
2Co-inventors
43Inventor score
Filing activity: Sep 26, 2001 → Mar 17, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6578751B2 | Method of sequentially firing staples using springs and a rotary or linear shutter | Human Necessities | 1,951 | Expired |
| US8590764B2 | Circumferential full thickness resectioning device | Human Necessities | 1,267 | Active |
| US6742692B2 | method of sequentially firing staples using springs and a rotary or linear shutter | Human Necessities | 285 | Expired |
| US7530946B2 | Compact endoscope | Human Necessities | 23 | Expired |
| US7670351B2 | Medical device using beam construction and methods | Human Necessities | 1 | Active |
| US9249849B2 | Methods and mechanisms for the adjustment of stiffness in various equipment and devices | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.