William Pfeifer
26Patents
12h-index
23Co-inventors
81Inventor score
Filing activity: Dec 26, 1973 → Jun 26, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4768661A | Binning and banding structure and clips therefor | Human Necessities | 134 | Expired |
| US5612360A | Angiotensin II antagonists | Human Necessities | 70 | Expired |
| US4395955A | Partial banding means for display shelves | Human Necessities | 68 | Expired |
| US4593824A | Tag holder | Human Necessities | 35 | Expired |
| US4319731A | Merchandise display assembly | Human Necessities | 29 | Expired |
| US4805863A | Brace and shelf support assembly | Human Necessities | 25 | Expired |
| US4286764A | Merchandise hanger assembly | Human Necessities | 23 | Expired |
| US5569768A | Angiotensin II antagonists | Human Necessities | 22 | Expired |
| US4805785A | Shelf unit | Human Necessities | 17 | Expired |
| US4932540A | Merchandise display fixture | Human Necessities | 15 | Expired |
| US4365725A | Basket with swing away double locking handle | Performing Operations; Transporting | 14 | Expired |
| US4215789A | Basket with self-locking handle | Performing Operations; Transporting | 13 | Expired |
| US5401851A | Angiotensin II antagonists | Chemistry; Metallurgy | 10 | Expired |
| US4775125A | Variable retainer for a shelf support | Human Necessities | 9 | Expired |
| US4624431A | Locking clip for bar bracket | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4960213A | Hanger support guard | Human Necessities | 6 | Expired |
| US3991212A | Anti-inflammatory agents | Chemistry; Metallurgy | 6 | Expired |
| US5693633A | Angiotensin II antagonists | Human Necessities | 5 | Expired |
| US4552982A | Synthesis of 9-carbamoyl-9-(3-aminopropyl)fluorenes | Chemistry; Metallurgy | 4 | Expired |
| US5484780A | Angiotensin II antagonists | Chemistry; Metallurgy | 4 | Expired |
| US4301313A | Halogenated ethynyl biphenyls | Chemistry; Metallurgy | 4 | Expired |
| US8769693B2 | Trusted installation of a software application | Physics | 3 | Active |
| US5556981A | Angiotensin II antagonist intermediates | Human Necessities | 2 | Expired |
| US9225739B2 | Providing user-specific malware assessment based on social interactions | Electricity | 0 | Active |
| US4226887A | Anti-inflammatory agents | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.