Inventor · disambiguated record
Ludwig Wilhelm
Also filed as: WILHELM LUDWIG
6 granted patents·45 citations·filing 1987–1991
80Inventor score
Files withFISCHER AG GEORG6
Top patents by PatentIndex Score
6 records- 0162US5163562AProcess for reclaiming bentonite and carbon particles from used foundry sandFISCHER AG GEORG·Filed 1991·Granted Nov 17, 1992·25 cites·3 claims
- 0246US4900375AMagnesium-treated, decarburizingly-annealed cast iron materialFISCHER AG GEORG·Filed 1987·Granted Feb 13, 1990·9 cites·19 claims
- 0339US5114474AArrangement and method for introducing waste material into a molten slagFISCHER AG GEORG·Filed 1990·Granted May 19, 1992·4 cites·8 claims
- 0429US5091624AMethod of flash butt welding high-carbon material, in particular nodular cast ironFISCHER AG GEORG·Filed 1989·Granted Feb 25, 1992·5 cites·3 claims
- 0527US5115985AMethod for the regenerative treatment of mainly clay-bound foundry old sandFISCHER AG GEORG·Filed 1990·Granted May 26, 1992·2 cites·5 claims
- 0626US5103894AProcess for the treatment of clay-bonded used casting sandFISCHER AG GEORG·Filed 1991·Granted Apr 14, 1992·0 cites·5 claims
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