Assignee
GEWERK KERAMCHEMIE
DE·6 granted patents·133 citations·filing 1987–1997
Top patents by PatentIndex Score
6 records- 0180US4723968AMethod and apparatus for the purification of waste air containing biologically decomposable impuritiesGEWERK KERAMCHEMIE·Filed 1987·Granted Feb 9, 1988·57 cites·19 claims
- 0269US5759307AMethod of producing a cold-rolled strip in one passGEWERK KERAMCHEMIE·Filed 1996·Granted Jun 2, 1998·28 cites·18 claims
- 0348US6375915B1Method of regenerating a spent pickling solutionGEWERK KERAMCHEMIE·Filed 1997·Granted Apr 23, 2002·11 cites·8 claims
- 0446US4976751AMethod for purification of exhaust airGEWERK KERAMCHEMIE·Filed 1989·Granted Dec 11, 1990·17 cites·6 claims
- 0538US5840173AProcess for treating the surface of material of high-grade steelGEWERK KERAMCHEMIE·Filed 1997·Granted Nov 24, 1998·6 cites·15 claims
- 0635US4800128AChemical attack-resistant, liquid-tight liningGEWERK KERAMCHEMIE·Filed 1987·Granted Jan 24, 1989·14 cites·8 claims
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