Assignee
CARBORUNDUM CO
US·160 granted patents·6,156 citations·filing 1971–1998
Top patents by PatentIndex Score
160 records- 0199US5143357AMelting metal particles and dispersing gas with vaned impellerCARBORUNDUM CO·Filed 1990·Granted Sep 1, 1992·144 cites·17 claims
- 0299US5088893AMolten metal pumpCARBORUNDUM CO·Filed 1991·Granted Feb 18, 1992·146 cites·23 claims
- 0398US5286163AMolten metal pump with filterCARBORUNDUM CO·Filed 1990·Granted Feb 15, 1994·139 cites·24 claims
- 0498US4930986AApparatus for immersing solids into fluids and moving fluids in a linear directionCARBORUNDUM CO·Filed 1984·Granted Jun 5, 1990·139 cites·9 claims
- 0597US5384188AIntumescent sheetCARBORUNDUM CO·Filed 1992·Granted Jan 24, 1995·122 cites·14 claims
- 0697US5165858AMolten metal pumpCARBORUNDUM CO·Filed 1990·Granted Nov 24, 1992·132 cites·5 claims
- 0797US5092821ADrive system for impeller shaftsCARBORUNDUM CO·Filed 1990·Granted Mar 3, 1992·165 cites·14 claims
- 0897US4999168ACrack resistant intumescent sheet materialCARBORUNDUM CO·Filed 1989·Granted Mar 12, 1991·134 cites·11 claims
- 0997US4973433AApparatus for injecting gas into molten metalCARBORUNDUM CO·Filed 1989·Granted Nov 27, 1990·128 cites·29 claims
- 1096US5126047AMolten metal filterCARBORUNDUM CO·Filed 1990·Granted Jun 30, 1992·112 cites·23 claims
- 1196US5078572AMolten metal pump with filterCARBORUNDUM CO·Filed 1990·Granted Jan 7, 1992·141 cites·15 claims
- 1296US5028211ATorque coupling systemCARBORUNDUM CO·Filed 1989·Granted Jul 2, 1991·132 cites·12 claims
- 1396US4940384AMolten metal pump with filterCARBORUNDUM CO·Filed 1989·Granted Jul 10, 1990·138 cites·19 claims
- 1495US4179299ASintered alpha silicon carbide ceramic body having equiaxed microstructureCARBORUNDUM CO·Filed 1979·Granted Dec 18, 1979·73 cites·16 claims
- 1595US4120641ACeramic fiber module attachment systemCARBORUNDUM CO·Filed 1977·Granted Oct 17, 1978·39 cites·19 claims
- 1695US3975487AProcess for spinning high modulus oxybenzoyl copolyester fibersCARBORUNDUM CO·Filed 1973·Granted Aug 17, 1976·91 cites·7 claims
- 1794US5029821AApparatus for controlling the magnesium content of molten aluminumCARBORUNDUM CO·Filed 1989·Granted Jul 9, 1991·111 cites·6 claims
- 1894US5025198ATorque coupling system for graphite impeller shaftsCARBORUNDUM CO·Filed 1990·Granted Jun 18, 1991·118 cites·6 claims
- 1994US4240833AShrink-resistant refractory fiber and process for making sameCARBORUNDUM CO·Filed 1979·Granted Dec 23, 1980·75 cites·11 claims
- 2094US4149994AGranular activated carbon manufacture from brown coal treated with dilute inorganic acidCARBORUNDUM CO·Filed 1977·Granted Apr 17, 1979·70 cites·24 claims
- 2193US5436042ACeramic fiber-reinforced composite articles and their productionCARBORUNDUM CO·Filed 1994·Granted Jul 25, 1995·88 cites·9 claims
- 2293US4169584AGas injection apparatusCARBORUNDUM CO·Filed 1978·Granted Oct 2, 1979·161 cites·8 claims
- 2393US4157898AFused aluminum oxide abrasive grain containing reduced titanium oxideCARBORUNDUM CO·Filed 1978·Granted Jun 12, 1979·71 cites·9 claims
- 2493US4124667AProcess for producing sintered silicon carbide ceramic bodyCARBORUNDUM CO·Filed 1977·Granted Nov 7, 1978·59 cites·17 claims
- 2593US4052199AGas injection methodCARBORUNDUM CO·Filed 1975·Granted Oct 4, 1977·147 cites·14 claims
- 2691US4174331ARefractory moldable composition containing ceramic fiber and colloidal silicaCARBORUNDUM CO·Filed 1976·Granted Nov 13, 1979·52 cites·15 claims
- 2791US4018023ACeramic elements and insulation assembly including such elementsCARBORUNDUM CO·Filed 1975·Granted Apr 19, 1977·62 cites·2 claims
- 2890US5273821AHigh strength ceramic fiber boardCARBORUNDUM CO·Filed 1991·Granted Dec 28, 1993·71 cites·9 claims
- 2990US4111668AFused aluminum oxide abrasive grain containing reduced titanium oxideCARBORUNDUM CO·Filed 1976·Granted Sep 5, 1978·61 cites·17 claims
- 3089US4166536ACorrosive chemical containment systemCARBORUNDUM CO·Filed 1977·Granted Sep 4, 1979·48 cites·22 claims
- 3189US3933643AElectrically conducting filter media for fluidsCARBORUNDUM CO·Filed 1971·Granted Jan 20, 1976·127 cites·12 claims
- 3289US3930982AFerroelectric apparatus for dielectrophoresis particle extractionCARBORUNDUM CO·Filed 1973·Granted Jan 6, 1976·50 cites·10 claims
- 3388US4204907AConditioned colloidal silica post impregnant to prevent binder migrationCARBORUNDUM CO·Filed 1978·Granted May 27, 1980·60 cites·10 claims
- 3487US5032441AIntumescent conforming mounting padCARBORUNDUM CO·Filed 1990·Granted Jul 16, 1991·79 cites·6 claims
- 3587US4292528ACask for radioactive material and method for preventing release of neutrons from radioactive materialCARBORUNDUM CO·Filed 1979·Granted Sep 29, 1981·51 cites·18 claims
- 3687US4157001AFurnace liningsCARBORUNDUM CO·Filed 1978·Granted Jun 5, 1979·53 cites·11 claims
- 3786US5395807AProcess for making silicon carbide with controlled porosityCARBORUNDUM CO·Filed 1993·Granted Mar 7, 1995·34 cites·32 claims
- 3886US5298470ASilicon carbide bodies having high toughness and fracture resistance and method of making sameCARBORUNDUM CO·Filed 1992·Granted Mar 29, 1994·53 cites·49 claims
- 3986US5296311ASilicon carbide reinforced reaction bonded silicon carbide compositeCARBORUNDUM CO·Filed 1992·Granted Mar 22, 1994·37 cites·3 claims
- 4086US4178413AFiber reinforced carbon and graphite articles and a method of producing said articlesCARBORUNDUM CO·Filed 1977·Granted Dec 11, 1979·51 cites·17 claims
- 4186US4144207AComposition and process for injection molding ceramic materialsCARBORUNDUM CO·Filed 1977·Granted Mar 13, 1979·42 cites·12 claims
- 4286US4002225AResurfaced brake discsCARBORUNDUM CO·Filed 1975·Granted Jan 11, 1977·53 cites·5 claims
- 4386US4001477AFlame resistant clothCARBORUNDUM CO·Filed 1973·Granted Jan 4, 1977·55 cites·6 claims
- 4485US5643514AProcess for manufacturing a silicon carbide compositionCARBORUNDUM CO·Filed 1995·Granted Jul 1, 1997·34 cites·9 claims
- 4585US5145811AInorganic ceramic papersCARBORUNDUM CO·Filed 1991·Granted Sep 8, 1992·64 cites·30 claims
- 4685US4248752ARefractory moldable compositionCARBORUNDUM CO·Filed 1979·Granted Feb 3, 1981·37 cites·9 claims
- 4785US4218622ANeutron absorbing article and method for manufacture thereofCARBORUNDUM CO·Filed 1978·Granted Aug 19, 1980·44 cites·16 claims
- 4885US4159205AProcess for producing polycrystalline oxide fibersCARBORUNDUM CO·Filed 1977·Granted Jun 26, 1979·50 cites·16 claims
- 4985US4042559AAbrasion resistant coated abrasive pipe lining sheetCARBORUNDUM CO·Filed 1974·Granted Aug 16, 1977·45 cites·12 claims
- 5084US5011872AThermally conductive ceramic/polymer compositesCARBORUNDUM CO·Filed 1989·Granted Apr 30, 1991·91 cites·10 claims
Showing the top 50 of 160 patent records by PatentIndex Score.
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