Peter Keller
11Patents
4h-index
11Co-inventors
57Inventor score
Filing activity: Sep 20, 1974 → Sep 10, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3965128A | 6.beta.,7.beta.-Epoxy-1.alpha.,2.alpha.-methylen-D-homo-4-pregnen-3,20-di ones | Chemistry; Metallurgy | 22 | Expired |
| US4361578A | D-Homosteroids | Human Necessities | 18 | Expired |
| US7975395B2 | Hand-held level and plumb tool | Performing Operations; Transporting | 12 | Active |
| US6041556A | Gutter system | Fixed Constructions | 8 | Expired |
| US4140700A | D-Homopregnanes | Human Necessities | 4 | Expired |
| US4026918A | D-homosteroids | Chemistry; Metallurgy | 2 | Expired |
| US4492797A | deA-steroids | Chemistry; Metallurgy | 1 | Expired |
| US4026921A | D-homosteroids | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4285880A | D-Homopregnanes | Human Necessities | 0 | Expired |
| US4202823A | D-Homopregnanes | Human Necessities | 0 | Expired |
| US4028400A | D-homosteroids | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.