Assignee
OESTERR AMERIKAN MAGNESIT
US·10 granted patents·108 citations·filing 1972–1985
Top patents by PatentIndex Score
10 records- 0187US3968033AClamping device for screen bottomsOESTERR AMERIKAN MAGNESIT·Filed 1975·Granted Jul 6, 1976·59 cites·8 claims
- 0247US3987135AProcess of producing sintered magnesiaOESTERR AMERIKAN MAGNESIT·Filed 1972·Granted Oct 19, 1976·5 cites·4 claims
- 0346US4568066AApparatus for introducing gas to molten metalOESTERR AMERIKAN MAGNESIT·Filed 1983·Granted Feb 4, 1986·5 cites·14 claims
- 0445US4657226AApparatus for introducing gas to molten metal within a vesselOESTERR AMERIKAN MAGNESIT·Filed 1985·Granted Apr 14, 1987·7 cites·12 claims
- 0540US3981950AMethod for production of cement-bonded molded articles particularly lightweight fiber boardsOESTERR AMERIKAN MAGNESIT·Filed 1973·Granted Sep 21, 1976·11 cites·8 claims
- 0638US4175974ASliding shutters of basic refractory materialOESTERR AMERIKAN MAGNESIT·Filed 1977·Granted Nov 27, 1979·9 cites·4 claims
- 0734US4049461AUnfired, refractory, basic bricks and compositions and their method of manufactureOESTERR AMERIKAN MAGNESIT·Filed 1973·Granted Sep 20, 1977·8 cites·8 claims
- 0829US4366256ARefractory chrome-magnesia bricks and compositions made from granular fused materialOESTERR AMERIKAN MAGNESIT·Filed 1981·Granted Dec 28, 1982·2 cites·9 claims
- 0928US4008092AMethod of producing MgO and Cr2 O3 based refractories and the products thereofOESTERR AMERIKAN MAGNESIT·Filed 1976·Granted Feb 15, 1977·2 cites·5 claims
- 1011US3959532ACarbon impregnation of burned magnesite bricksOESTERR AMERIKAN MAGNESIT·Filed 1974·Granted May 25, 1976·0 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →