David A. Watson
31Patents
18h-index
29Co-inventors
81Inventor score
Filing activity: Feb 18, 1986 → Jun 12, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5338291A | Glaucoma shunt and method for draining aqueous humor | Human Necessities | 279 | Expired |
| US5637083A | Implantable adjustable fluid flow control valve | Human Necessities | 235 | Expired |
| US5792104A | Dual-reservoir vascular access port | Human Necessities | 222 | Expired |
| US5137529A | Injection port | Emerging Cross-Sectional Technologies | 207 | Expired |
| US6852106B2 | Implantable refillable and ported controlled release drug delivery device | Human Necessities | 126 | Expired |
| US5152753A | Medication infusion device with dose recharge restriction | Human Necessities | 119 | Expired |
| US5662600A | Burr-hole flow control device | Human Necessities | 101 | Expired |
| US5154693A | Flow control device having selectable alternative fluid pathways | Emerging Cross-Sectional Technologies | 93 | Expired |
| US5167615A | Flow control device having selectable alternative fluid pathways | Emerging Cross-Sectional Technologies | 93 | Expired |
| US5085644A | Sterilizable medication infusion device with dose recharge restriction | Human Necessities | 91 | Expired |
| US6936270B2 | Device and method for treating conditions of a joint | Human Necessities | 78 | Expired |
| US5738666A | Slit tip ventricular catheter and method of manufacturing same | Human Necessities | 71 | Expired |
| US5387188A | Pulsatile flow-accommodating fluid shunt | Human Necessities | 61 | Expired |
| US8623071B2 | Radiopaque super-elastic intravascular stent | Emerging Cross-Sectional Technologies | 54 | Active |
| US5800376A | Burr-hole flow control device | Human Necessities | 54 | Expired |
| US4823815A | Tissue expanding device and method of making same | Human Necessities | 46 | Expired |
| US5176627A | Implantable fluid flow control device having two-piece base, and assembly process | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5098411A | Closed end hollow stylet assembly | Human Necessities | 18 | Expired |
| US7763142B2 | Process for creating an ingrowth preventing indwelling catheter assembly | Emerging Cross-Sectional Technologies | 11 | Active |
| US8871241B2 | Injectable sustained release delivery devices | Human Necessities | 10 | Active |
| US5676182A | Portable apparatus and method for winterizing of seasonal dwellings | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4679869A | Cable connector holder | Electricity | 8 | Expired |
| US4969153A | Laser tube and power supply | Electricity | 7 | Expired |
| USD550981S1 | Leg-less nightstand | General | 5 | Expired |
| US5057687A | Detector assembly with plural optical axes | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.