Assignee
SHERWOOD REFRACTORIES
6 granted patents·285 citations·filing 1974–1980
Top patents by PatentIndex Score
6 records- 0194US4093017ACores for investment casting processSHERWOOD REFRACTORIES·Filed 1975·Granted Jun 6, 1978·86 cites·12 claims
- 0291US4352390APrecision silica cones for sand casting of steel and iron alloysSHERWOOD REFRACTORIES·Filed 1980·Granted Oct 5, 1982·44 cites·21 claims
- 0387US4072489AVacuum process for avoiding devitrification damage to transparent slip-cast silica cruciblesSHERWOOD REFRACTORIES·Filed 1976·Granted Feb 7, 1978·48 cites·7 claims
- 0485US3972704AApparatus for making vitreous silica receptaclesSHERWOOD REFRACTORIES·Filed 1974·Granted Aug 3, 1976·39 cites·8 claims
- 0576US4236568AMethod of casting steel and iron alloys with precision cristobalite coresSHERWOOD REFRACTORIES·Filed 1978·Granted Dec 2, 1980·27 cites·16 claims
- 0676US4109144ADust collection and illumination systemSHERWOOD REFRACTORIES·Filed 1975·Granted Aug 22, 1978·41 cites·12 claims
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