David C. Ullestad
18Patents
11h-index
22Co-inventors
72Inventor score
Filing activity: Feb 19, 1980 → Oct 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4341345A | Method and apparatus for power load shedding | Emerging Cross-Sectional Technologies | 174 | Expired |
| US4657179A | Distributed environmental/load control system | Physics | 155 | Expired |
| US6635048B1 | Implantable medical pump with multi-layer back-up memory | Physics | 120 | Expired |
| US6579280B1 | Generic multi-step therapeutic treatment protocol | Human Necessities | 118 | Expired |
| US7008413B2 | Generic multi-step therapeutic treatment protocol | Human Necessities | 92 | Expired |
| US4596977A | Dual slope analog to digital converter with out-of-range reset | Electricity | 29 | Expired |
| US8612055B2 | System and method for delivering a therapeutic agent according to default infusion schedule | Human Necessities | 27 | Active |
| US6282450A | System and method for storing firmware in a human-implantable medical treatment device | Physics | 24 | Expired |
| US4908623A | Apparatus and method for range control and supply voltage compensation in a dual slope analog to digital converter | Electricity | 19 | Expired |
| US7160284B2 | Implantable medical pump with multi-layer back-up memory | Physics | 14 | Expired |
| US10561845B2 | Therapy adjustment based on patient event indication | Physics | 14 | Active |
| US9529972B2 | Patient event indication | Human Necessities | 8 | Active |
| US8282625B2 | Implantable medical device with time for therapeutic output replenishment determination and method therefore | Human Necessities | 7 | Active |
| US8326431B2 | Implantable medical device for the concurrent treatment of a plurality of neurological disorders and method therefore | Human Necessities | 6 | Active |
| US8241270B2 | Drug infusion system and method adapted to start during programming cycle | Human Necessities | 1 | Active |
| US11154717B2 | Therapy adjustment based on patient event indication | Physics | 1 | Active |
| US8562591B2 | Drug infusion system and method adapted to start during programming cycle | Human Necessities | 0 | Active |
| US11883669B2 | Therapy adjustment | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.