Ernest P. Butler
6Patents
5h-index
5Co-inventors
48Inventor score
Filing activity: Mar 27, 1984 → Oct 16, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5137634A | Composite membrane | Performing Operations; Transporting | 18 | Expired |
| US5223050A | Al-Mg-Si extrusion alloy | Chemistry; Metallurgy | 10 | Expired |
| US4938870A | Composite membrane | Performing Operations; Transporting | 9 | Expired |
| US4534807A | Heat treatment of aluminium alloys containing lithium | Chemistry; Metallurgy | 6 | Expired |
| US4861389A | Al-Mg-Si extrusion alloy and method | Chemistry; Metallurgy | 6 | Expired |
| US5525223A | Apparatus for introducing an agent into a liquid or gas at a controlled rate | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.