Assignee
KOPPERS GMBH HEINRICH
4 granted patents·52 citations·filing 1974–1976
Top patents by PatentIndex Score
4 records- 0179US3959130AProcess for decontaminating sewage containing cyanideKOPPERS GMBH HEINRICH·Filed 1974·Granted May 25, 1976·28 cites·13 claims
- 0255US3988211AApparatus for quenching coke pushed from coke ovensKOPPERS GMBH HEINRICH·Filed 1974·Granted Oct 26, 1976·12 cites·7 claims
- 0353US4025979AApparatus for cleaning the sealing surfaces of coke oven doors and door jambsKOPPERS GMBH HEINRICH·Filed 1976·Granted May 31, 1977·7 cites·3 claims
- 0446US3971092AApparatus for cleaning the sealing surfaces of coke oven doors and door jambsKOPPERS GMBH HEINRICH·Filed 1974·Granted Jul 27, 1976·5 cites·7 claims
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