D. H. Perkins
19Patents
12h-index
23Co-inventors
74Inventor score
Filing activity: Mar 31, 1995 → Oct 17, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5921952A | Drainage catheter delivery system | Human Necessities | 211 | Expired |
| US5681274A | Variable length uretheral stent | Human Necessities | 139 | Expired |
| US8021379B2 | Obstruction removal system | Human Necessities | 114 | Active |
| US6322538A | Gastro-intestinal tube placement device | Human Necessities | 110 | Expired |
| US8021380B2 | Obstruction removal system | Human Necessities | 100 | Active |
| US6264624A | Drainage catheter delivery system | Human Necessities | 90 | Expired |
| US6159177A | Drainage catheter anchor locking mechanisms | Human Necessities | 44 | Expired |
| US6743207B2 | Apparatus and method for the insertion of a medical device | Human Necessities | 29 | Expired |
| US6287281A | Low profile retention system | Human Necessities | 29 | Expired |
| US7186238B2 | Apparatus and method for the insertion of a medical device | Human Necessities | 16 | Expired |
| US8348997B2 | One-way replacement valve | Human Necessities | 15 | Active |
| US6349725B1 | Anesthesia mask for animals | Human Necessities | 12 | Expired |
| US7481796B2 | Low profile retention system | Human Necessities | 4 | Expired |
| US9283305B2 | Hollow tubular drug eluting medical devices | Human Necessities | 3 | Active |
| US7959610B2 | Apparatus and method for the insertion of a medical device | Human Necessities | 3 | Active |
| US9770333B2 | Methods, devices and systems for treating venous insufficiency | Human Necessities | 1 | Active |
| US7854725B2 | Low profile retention system | Human Necessities | 1 | Active |
| US6676640B2 | Low profile retention system | Human Necessities | 0 | Expired |
| US8016842B2 | Methods for treating vulnerable plaque | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.