Philip E. Bretz
11Patents
10h-index
13Co-inventors
61Inventor score
Filing activity: Mar 29, 1984 → Sep 29, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4648913A | Aluminum-lithium alloys and method | Chemistry; Metallurgy | 43 | Expired |
| US4874440A | Superplastic aluminum products and alloys | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5055257A | Superplastic aluminum products and alloys | Chemistry; Metallurgy | 40 | Expired |
| US4689090A | Superplastic aluminum alloys containing scandium | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4869870A | Aluminum-lithium alloys with hafnium | Chemistry; Metallurgy | 23 | Expired |
| US4961792A | Aluminum-lithium alloys having improved corrosion resistance containing Mg and Zn | Chemistry; Metallurgy | 19 | Expired |
| US4797165A | Aluminum-lithium alloys having improved corrosion resistance and method | Chemistry; Metallurgy | 18 | Expired |
| US4832910A | Aluminum-lithium alloys | Chemistry; Metallurgy | 13 | Expired |
| US4693747A | Alloy having improved fatigue crack growth resistance | Electricity | 11 | Expired |
| US4897126A | Aluminum-lithium alloys having improved corrosion resistance | Chemistry; Metallurgy | 10 | Expired |
| US4939032A | Composite materials having improved fracture toughness | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.