Assignee
NAT FORGE CO
US·26 granted patents·2 pending applications·326 citations·filing 1974–2002
Top patents by PatentIndex Score
28 records- 0193US4066868ATemperature control method and apparatusNAT FORGE CO·Filed 1975·Granted Jan 3, 1978·71 cites·7 claims
- 0285US4011430AMultizone electrical furnace methods and apparatusNAT FORGE CO·Filed 1975·Granted Mar 8, 1977·43 cites·8 claims
- 0384US4608851AWarm-working of austenitic stainless steelNAT FORGE CO·Filed 1985·Granted Sep 2, 1986·22 cites·8 claims
- 0476US4599502AInduction hardening of steelNAT FORGE CO·Filed 1983·Granted Jul 8, 1986·22 cites·17 claims
- 0571US5305505AProcess of making a multi-section bomb casingNAT FORGE CO·Filed 1993·Granted Apr 26, 1994·30 cites·22 claims
- 0662US3931382AMethod for rapid isostatic pressingNAT FORGE CO·Filed 1975·Granted Jan 6, 1976·17 cites·17 claims
- 0751US4818301AProcess for producing large section, large mass forged sleeves from large diameter ingots of alloy 625 and from hot isostatically pressed preforms of alloy 625 powderNAT FORGE CO·Filed 1987·Granted Apr 4, 1989·8 cites·21 claims
- 0850US4919735AKhare pipe mold steelNAT FORGE CO·Filed 1988·Granted Apr 24, 1990·9 cites·13 claims
- 0950US4861549ARoller caster shell steelNAT FORGE CO·Filed 1988·Granted Aug 29, 1989·11 cites·6 claims
- 1050US3971876ATemperature control apparatusNAT FORGE CO·Filed 1975·Granted Jul 27, 1976·9 cites·11 claims
- 1148US4714498AProcess for producing large section, large mass forged sleeves from large diameter ingots of alloy 625NAT FORGE CO·Filed 1986·Granted Dec 22, 1987·7 cites·22 claims
- 1248US4602769AApparatus for the cooling of articles which have been subjected to an isostatic pressing processNAT FORGE CO·Filed 1985·Granted Jul 29, 1986·7 cites·20 claims
- 1346US2003147768A10303 Steel for making pipe moldsNAT FORGE CO·Filed 2002·Application pending·0 cites
- 1445US4000235AMethod for molding particulate material into rodsNAT FORGE CO·Filed 1975·Granted Dec 28, 1976·11 cites·2 claims
- 1545US2003156966A10301 Steel for making pipe moldsNAT FORGE CO·Filed 2002·Application pending·0 cites
- 1643US4063941AMethod for loading and unloading an isostatic press for compression of pre-formed powder objectsNAT FORGE CO·Filed 1976·Granted Dec 20, 1977·11 cites·6 claims
- 1743US4013394AHot isostatic press systemNAT FORGE CO·Filed 1975·Granted Mar 22, 1977·8 cites·19 claims
- 1843US3970208AProtective shield for pressure vesselsNAT FORGE CO·Filed 1974·Granted Jul 20, 1976·12 cites·15 claims
- 1940US4714499AFull length forging method for producing large section, large mass cylindrical sleeves of alloy 625NAT FORGE CO·Filed 1986·Granted Dec 22, 1987·4 cites·27 claims
- 2037US4781768AFull length forging method for producing large section, large mass cylindrical sleeves of alloy 625NAT FORGE CO·Filed 1987·Granted Nov 1, 1988·3 cites·11 claims
- 2136US5174836AInterrupted normalization heat treatment processNAT FORGE CO·Filed 1992·Granted Dec 29, 1992·3 cites·8 claims
- 2235US4992239AKhare steelNAT FORGE CO·Filed 1990·Granted Feb 12, 1991·4 cites·5 claims
- 2333US4007325AFurnace assemblyNAT FORGE CO·Filed 1975·Granted Feb 8, 1977·6 cites·25 claims
- 2432US5334269AInterrupted normalization heat treatment processNAT FORGE CO·Filed 1992·Granted Aug 2, 1994·2 cites·10 claims
- 2531US5330707ASteel for making very large pipe moldsNAT FORGE CO·Filed 1993·Granted Jul 19, 1994·2 cites·4 claims
- 2631US4601322AWeld forming of pipe moldsNAT FORGE CO·Filed 1984·Granted Jul 22, 1986·2 cites·40 claims
- 2728US3973886AHot isostatic pressNAT FORGE CO·Filed 1975·Granted Aug 10, 1976·2 cites·8 claims
- 2820US4077285AMethod of and apparatus for machining a contoured surfaceNAT FORGE CO·Filed 1976·Granted Mar 7, 1978·0 cites·23 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →