Assignee
WARMAN INT LTD
36 granted patents·738 citations·filing 1975–2002
Top patents by PatentIndex Score
36 records- 0192US5803152AMicrostructurally refined multiphase castingsWARMAN INT LTD·Filed 1994·Granted Sep 8, 1998·63 cites·27 claims
- 0290US4664592ACentrifugal pump impeller configured to limit fluid recirculationWARMAN INT LTD·Filed 1984·Granted May 12, 1987·65 cites·13 claims
- 0387US5252149AFerrochromium alloy and method thereofWARMAN INT LTD·Filed 1993·Granted Oct 12, 1993·43 cites·12 claims
- 0484US5413140ASpring-assisted split seat gate valveWARMAN INT LTD·Filed 1994·Granted May 9, 1995·48 cites·15 claims
- 0582USD381339SPump casingWARMAN INT LTD·Filed 1996·Granted Jul 22, 1997·32 cites·1 claims
- 0677USD368913SPump casing and pump casing partsWARMAN INT LTD·Filed 1994·Granted Apr 16, 1996·21 cites·1 claims
- 0776US5582200AGate valve with spring assisted valve linerWARMAN INT LTD·Filed 1995·Granted Dec 10, 1996·34 cites·11 claims
- 0871US5609468ACentrifugal seal assemblyWARMAN INT LTD·Filed 1994·Granted Mar 11, 1997·34 cites·28 claims
- 0969US5078410ACentrifugal sealWARMAN INT LTD·Filed 1987·Granted Jan 7, 1992·34 cites·7 claims
- 1065USD415182SHydrocyclone feed assembly housingWARMAN INT LTD·Filed 1998·Granted Oct 12, 1999·14 cites·1 claims
- 1164US4844693ALow-flow pump casingWARMAN INT LTD·Filed 1985·Granted Jul 4, 1989·23 cites·12 claims
- 1263US6619910B1Froth pumpsWARMAN INT LTD·Filed 1999·Granted Sep 16, 2003·26 cites·10 claims
- 1363US4883403AImpellers for centrifugal pumpsWARMAN INT LTD·Filed 1987·Granted Nov 28, 1989·22 cites·8 claims
- 1462US4113407AHigh pressure internally lined pump casingWARMAN INT LTD·Filed 1976·Granted Sep 12, 1978·15 cites·3 claims
- 1560US4895460ASealing for bearing assembliesWARMAN INT LTD·Filed 1986·Granted Jan 23, 1990·19 cites·7 claims
- 1660US4264273ACasing and casing liners for centrifugal pumps of the volute typeWARMAN INT LTD·Filed 1979·Granted Apr 28, 1981·17 cites·4 claims
- 1759USD415181SHydrocyclone feed assembly housing linerWARMAN INT LTD·Filed 1998·Granted Oct 12, 1999·11 cites·1 claims
- 1857US6609300B2Pump impeller and methodWARMAN INT LTD·Filed 2002·Granted Aug 26, 2003·6 cites·2 claims
- 1956US6106230ACentrifugal pumpWARMAN INT LTD·Filed 1996·Granted Aug 22, 2000·21 cites·5 claims
- 2055US5029878AElastomeric pump casing sealWARMAN INT LTD·Filed 1988·Granted Jul 9, 1991·25 cites·11 claims
- 2154USD464067SFeed housing for a hydrocyclone feed assemblyWARMAN INT LTD·Filed 1999·Granted Oct 8, 2002·9 cites·1 claims
- 2254USD456429SFeed housing liner for a hydrocyclone feed assemblyWARMAN INT LTD·Filed 1999·Granted Apr 30, 2002·9 cites·1 claims
- 2354US3977737ASeal assembly for rotating shaftWARMAN INT LTD·Filed 1975·Granted Aug 31, 1976·12 cites·4 claims
- 2452US5772218AUniform compression gland seal assemblyWARMAN INT LTD·Filed 1996·Granted Jun 30, 1998·16 cites·12 claims
- 2551US5411367AImpeller annular sealWARMAN INT LTD·Filed 1993·Granted May 2, 1995·18 cites·12 claims
- 2651US4984966AMethod of making linerWARMAN INT LTD·Filed 1988·Granted Jan 15, 1991·15 cites·3 claims
- 2749USD415507SHydrocyclone feed assembly cover linerWARMAN INT LTD·Filed 1998·Granted Oct 19, 1999·7 cites·1 claims
- 2846US4566850APumpWARMAN INT LTD·Filed 1984·Granted Jan 28, 1986·11 cites·12 claims
- 2945US5642892AGland seal assembly housingWARMAN INT LTD·Filed 1994·Granted Jul 1, 1997·13 cites·7 claims
- 3038US4393944ADrill rigWARMAN INT LTD·Filed 1980·Granted Jul 19, 1983·12 cites·5 claims
- 3137US5112039AAnnular elastomeric slurry sealWARMAN INT LTD·Filed 1991·Granted May 12, 1992·10 cites·2 claims
- 3236USD414789SHydrocyclone feed assembly coverWARMAN INT LTD·Filed 1998·Granted Oct 5, 1999·3 cites·1 claims
- 3336US4222998AProduction of bismuth trichlorideWARMAN INT LTD·Filed 1979·Granted Sep 16, 1980·4 cites·6 claims
- 3435US5685692APump housing assemblyWARMAN INT LTD·Filed 1995·Granted Nov 11, 1997·6 cites·15 claims
- 3535US4465144ADrill rig mast structureWARMAN INT LTD·Filed 1983·Granted Aug 14, 1984·10 cites·2 claims
- 3626US5586966AApparatus and method for separating solid/fluid mixturesWARMAN INT LTD·Filed 1996·Granted Dec 24, 1996·10 cites·12 claims
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