Assignee
KOPPERS WISTRA OFENBAU GMBH
DE·7 granted patents·50 citations·filing 1974–1978
Top patents by PatentIndex Score
7 records- 0159US3969069ABurner systems for ovens and methods of operating such systemsKOPPERS WISTRA OFENBAU GMBH·Filed 1974·Granted Jul 13, 1976·16 cites·5 claims
- 0257US4182611ARoller-hearth furnace with shielded rollersKOPPERS WISTRA OFENBAU GMBH·Filed 1978·Granted Jan 8, 1980·8 cites·10 claims
- 0353US4056351AWorkpiece-engaging element for furnacesKOPPERS WISTRA OFENBAU GMBH·Filed 1976·Granted Nov 1, 1977·8 cites·12 claims
- 0446US4056350ASupport rail arrangementKOPPERS WISTRA OFENBAU GMBH·Filed 1976·Granted Nov 1, 1977·6 cites·8 claims
- 0545US4035141ASupport rail for furnacesKOPPERS WISTRA OFENBAU GMBH·Filed 1976·Granted Jul 12, 1977·6 cites·15 claims
- 0628US4200431ARoller, particularly for a roller hearth furnaceKOPPERS WISTRA OFENBAU GMBH·Filed 1978·Granted Apr 29, 1980·1 cites·81 claims
- 0728US3968889AConveyor for transporting workpiecesKOPPERS WISTRA OFENBAU GMBH·Filed 1974·Granted Jul 13, 1976·5 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →