Mary E. Shaffer
5Patents
5h-index
5Co-inventors
48Inventor score
Filing activity: Apr 5, 1982 → Jun 15, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4664899A | Method of producing monotungsten carbide powder | Chemistry; Metallurgy | 28 | Expired |
| US4478888A | Process for producing refractory powder | Performing Operations; Transporting | 16 | Expired |
| US4397889A | Process for producing refractory powder | Performing Operations; Transporting | 15 | Expired |
| US4456484A | Process for producing refractory powder | Performing Operations; Transporting | 6 | Expired |
| US5057147A | Method for preparation of WC-NI grade powder | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.