Ludwig Wilhelm
6Patents
3h-index
7Co-inventors
42Inventor score
Filing activity: Sep 9, 1987 → Nov 25, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5163562A | Process for reclaiming bentonite and carbon particles from used foundry sand | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4900375A | Magnesium-treated, decarburizingly-annealed cast iron material | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5114474A | Arrangement and method for introducing waste material into a molten slag | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5091624A | Method of flash butt welding high-carbon material, in particular nodular cast iron | Performing Operations; Transporting | 2 | Expired |
| US5115985A | Method for the regenerative treatment of mainly clay-bound foundry old sand | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5103894A | Process for the treatment of clay-bonded used casting sand | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.