William H. Engelmann
4Patents
4h-index
4Co-inventors
43Inventor score
Filing activity: Dec 10, 1976 → Jul 18, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4080419A | Foam injection leaching process for fragmented ore | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4765415A | Isoelectric drilling method | Fixed Constructions | 7 | Expired |
| US4959164A | Rock fragmentation method | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5196401A | Method of enhancing rock fragmentation and extending drill bit life | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.