Assignee
DURAMETALLIC CORP
US·32 granted patents·1,394 citations·filing 1977–1997
Top patents by PatentIndex Score
32 records- 0197US5556111AFace seal with angled grooves and shallow annular grooveDURAMETALLIC CORP·Filed 1995·Granted Sep 17, 1996·118 cites·7 claims
- 0295US4743034ALabyrinth bearing protector sealDURAMETALLIC CORP·Filed 1987·Granted May 10, 1988·109 cites·14 claims
- 0394US5702110AFace seal with angled grooves and shallow annular grooveDURAMETALLIC CORP·Filed 1996·Granted Dec 30, 1997·75 cites·17 claims
- 0494US4466619AMechanical seal assembly with integral pumping deviceDURAMETALLIC CORP·Filed 1983·Granted Aug 21, 1984·68 cites·12 claims
- 0592US4890941ABearing protector with slinger ringDURAMETALLIC CORP·Filed 1989·Granted Jan 2, 1990·77 cites·6 claims
- 0689US4560173AMechanical seal assembly with coolant circulation structureDURAMETALLIC CORP·Filed 1984·Granted Dec 24, 1985·52 cites·20 claims
- 0785US5498007ADouble gas barrier sealDURAMETALLIC CORP·Filed 1994·Granted Mar 12, 1996·148 cites·19 claims
- 0884US5722665ASpiral groove face sealDURAMETALLIC CORP·Filed 1997·Granted Mar 3, 1998·61 cites·22 claims
- 0983US4261581AMechanical seal with improved face ring mountingDURAMETALLIC CORP·Filed 1980·Granted Apr 14, 1981·42 cites·13 claims
- 1081US5479718AShaft alignment deviceDURAMETALLIC CORP·Filed 1994·Granted Jan 2, 1996·44 cites·5 claims
- 1181US5388843AFluid film sealDURAMETALLIC CORP·Filed 1994·Granted Feb 14, 1995·45 cites·8 claims
- 1281US4721311AMechanical seal assembly with coolant circulation tubeDURAMETALLIC CORP·Filed 1987·Granted Jan 26, 1988·40 cites·12 claims
- 1379US4082297ABypass flush system employing thermal bushingDURAMETALLIC CORP·Filed 1977·Granted Apr 4, 1978·35 cites·9 claims
- 1478US5762342AMechanical seal with controller for regulating face contact pressureDURAMETALLIC CORP·Filed 1996·Granted Jun 9, 1998·50 cites·24 claims
- 1578US4795168AMagnetic seal assemblyDURAMETALLIC CORP·Filed 1988·Granted Jan 3, 1989·38 cites·16 claims
- 1674US5558342AMechanical seal with spring driveDURAMETALLIC CORP·Filed 1994·Granted Sep 24, 1996·34 cites·20 claims
- 1771US5924697ADouble gas seal with bellows supported by backing and support ringsDURAMETALLIC CORP·Filed 1997·Granted Jul 20, 1999·37 cites·21 claims
- 1871US4630458ASeal arrangement for mill rollDURAMETALLIC CORP·Filed 1985·Granted Dec 23, 1986·31 cites·7 claims
- 1969US5533739ANon-contacting seal with centering spring mounted in dovetailed groovedDURAMETALLIC CORP·Filed 1994·Granted Jul 9, 1996·30 cites·15 claims
- 2069US5370403ANon-contacting face sealDURAMETALLIC CORP·Filed 1992·Granted Dec 6, 1994·27 cites·6 claims
- 2166US4364571ATapered seal seat between stationary insert and glandDURAMETALLIC CORP·Filed 1980·Granted Dec 21, 1982·25 cites·4 claims
- 2265US5941531ADouble gas seal having an improved bellows arrangementDURAMETALLIC CORP·Filed 1997·Granted Aug 24, 1999·31 cites·31 claims
- 2364US4191386ASelf-cooled mechanical sealDURAMETALLIC CORP·Filed 1978·Granted Mar 4, 1980·22 cites·8 claims
- 2463US5560622ASecondary seal for non-contacting face seal assemblyDURAMETALLIC CORP·Filed 1994·Granted Oct 1, 1996·21 cites·7 claims
- 2559US4890851ABellows seal with vibration damperDURAMETALLIC CORP·Filed 1989·Granted Jan 2, 1990·26 cites·5 claims
- 2656US5277153ASoot blower seal-bearing arrangementDURAMETALLIC CORP·Filed 1993·Granted Jan 11, 1994·19 cites·9 claims
- 2752US5630699APump box with replaceable erosion protectorDURAMETALLIC CORP·Filed 1995·Granted May 20, 1997·25 cites·19 claims
- 2851US5531458AFace seal with angled groovesDURAMETALLIC CORP·Filed 1995·Granted Jul 2, 1996·17 cites·4 claims
- 2943US5037065ABall valveDURAMETALLIC CORP·Filed 1990·Granted Aug 6, 1991·18 cites·9 claims
- 3039US5803463AGrease sealDURAMETALLIC CORP·Filed 1996·Granted Sep 8, 1998·14 cites·20 claims
- 3136US5551708AFace ring retainer arrangement for mechanical sealDURAMETALLIC CORP·Filed 1994·Granted Sep 3, 1996·13 cites·7 claims
- 3230US4511151AOne-piece mounting ring for seal insertDURAMETALLIC CORP·Filed 1983·Granted Apr 16, 1985·2 cites·9 claims
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