Assignee
REFRATECHNIK GMBH
DE·3 granted patents·29 citations·filing 1976–1980
Top patents by PatentIndex Score
3 records- 0166US4049464AMethod of producing low-carbon, white husk ashREFRATECHNIK GMBH·Filed 1976·Granted Sep 20, 1977·21 cites·7 claims
- 0232US4213789AGlass forming compound and brick made therewithREFRATECHNIK GMBH·Filed 1978·Granted Jul 22, 1980·5 cites·4 claims
- 0327US4303449AGlass forming compound and brick made therewithREFRATECHNIK GMBH·Filed 1980·Granted Dec 1, 1981·3 cites·5 claims
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