TREA

Keystone International Holdings Corp.

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-contained steam trap monitor
    • Patent number 6,571,180
    • Issue date May 27, 2003
    • Keystone International Holding Corp.
    • John M. Turner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve manifold
    • Patent number 5,823,228
    • Issue date Oct 20, 1998
    • Keystone International Holdings Corp.
    • Alan F. Chou
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Manifold
    • Patent number D398375
    • Issue date Sep 15, 1998
    • Keystone International Holdings Corp.
    • Jeffrey T. Lynch
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Mounting system for pressure transmitters
    • Patent number 5,803,123
    • Issue date Sep 8, 1998
    • Keystone International Holdings Corp.
    • Joel David Bell
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Dual pilot manifold assembly for a safety relief valve
    • Patent number 5,769,113
    • Issue date Jun 23, 1998
    • Keystone International Holdings Corporation
    • Jack B. Alberts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary valve with pressurized energized seal
    • Patent number 5,765,815
    • Issue date Jun 16, 1998
    • Keystone International Holdings Corp.
    • Douglas G. Calvin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual pilot manifold assembly for a safety relief valve
    • Patent number 5,590,684
    • Issue date Jan 7, 1997
    • Keystone International Holdings Corporation
    • Jack B. Alberts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary valve position indicator and method
    • Patent number 5,579,800
    • Issue date Dec 3, 1996
    • Keystone International Holdings Corp.
    • Daniel Walker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Adjustable magnet carrier for a valve position indicator
    • Patent number 5,518,028
    • Issue date May 21, 1996
    • Keystone International Holdings Corp.
    • Daniel Walker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mounting system for pressure transmitters
    • Patent number 5,494,071
    • Issue date Feb 27, 1996
    • Keystone International Holdings Corp.
    • Joel D. Bell
    • G01 - MEASURING TESTING
  • Information Patent Grant

    High visibility valve position indicator
    • Patent number 5,469,805
    • Issue date Nov 28, 1995
    • Keystone International Holdings Corp.
    • Stephen Gibbs
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve assembly
    • Patent number 5,427,354
    • Issue date Jun 27, 1995
    • Keystone International Holdings Corp.
    • Daniel P. Kusmer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Measuring and regulating valve
    • Patent number 5,400,819
    • Issue date Mar 28, 1995
    • Keystone International Holdings Corp.
    • Rudolphus P. M. Lemmens
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve assembly having improved valve seat
    • Patent number 5,388,806
    • Issue date Feb 14, 1995
    • Keystone International Holdings Corp.
    • Daniel P. Kusmer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels
    • Patent number 5,333,635
    • Issue date Aug 2, 1994
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Top entry ball valve and method of assembly
    • Patent number 5,313,976
    • Issue date May 24, 1994
    • Keystone International Holdings, Corp.
    • Marvin E. Beasley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mounting means for fluid pressure transmitters
    • Patent number RE34610
    • Issue date May 17, 1994
    • Keystone International Holdings Corp.
    • Randall J. Miller
    • 137 - Fluid handling
  • Information Patent Grant

    Safety relief valve for pressure vessels
    • Patent number 5,307,831
    • Issue date May 3, 1994
    • Keystone International Holdings Corp.
    • Michael D. McNeely
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Stop cock for a liquid container
    • Patent number 5,294,091
    • Issue date Mar 15, 1994
    • Keystone International Holdings Corp.
    • Alfred van Eck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Knifegate valve
    • Patent number 5,292,105
    • Issue date Mar 8, 1994
    • Keystone International Holdings Corp.
    • Goran Velimirovic
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for mounting an instrument assembly on a main...
    • Patent number 5,292,155
    • Issue date Mar 8, 1994
    • Keystone International Holdings Corp.
    • J. David Bell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels
    • Patent number 5,282,491
    • Issue date Feb 1, 1994
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure isolator apparatus
    • Patent number 5,269,347
    • Issue date Dec 14, 1993
    • Keystone International Holdings Corp.
    • Marvin E. Beasley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels
    • Patent number 5,249,593
    • Issue date Oct 5, 1993
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid pressure relief system for pressure vessels
    • Patent number 5,246,034
    • Issue date Sep 21, 1993
    • Keystone International Holdings Corp.
    • Thomas F. Higgins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fugitive emission sealing assembly
    • Patent number 5,244,183
    • Issue date Sep 14, 1993
    • Keystone International Holdings Corp.
    • Douglas G. Calvin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball valve and method of assembly
    • Patent number 5,139,229
    • Issue date Aug 18, 1992
    • Keystone International Holdings Corp.
    • Marvin E. Beasley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for a disc-stem connection
    • Patent number 5,125,624
    • Issue date Jun 30, 1992
    • Keystone International Holdings Corp.
    • Paul A. Yohner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock absorbing means for flow control devices
    • Patent number 5,064,169
    • Issue date Nov 12, 1991
    • Keystone International Holdings Corp.
    • Jack B. Alberts
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary actuator
    • Patent number 5,054,374
    • Issue date Oct 8, 1991
    • Keystone International Holdings Corp.
    • William B. Scobie
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    75421277 - TRAPMASTER
    • Serial number 75421277
    • Registration number 2362815
    • Filing date Jan 21, 1998
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75337992 - K-MOVE
    • Serial number 75337992
    • Registration number 2435500
    • Filing date Aug 8, 1997
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75337899 - K-ROVE
    • Serial number 75337899
    • Filing date Aug 8, 1997
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75277255 - ISO-BARRIER
    • Serial number 75277255
    • Filing date Apr 18, 1997
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 7 - Machines and machine tools
  • Information Trademark

    75277256 - ISO-SENSE
    • Serial number 75277256
    • Filing date Apr 18, 1997
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 7 - Machines and machine tools
  • Information Trademark

    75151311 - BLANKET MISER
    • Serial number 75151311
    • Registration number 2352185
    • Filing date Aug 16, 1996
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75050990 - ICON
    • Serial number 75050990
    • Filing date Jan 25, 1996
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    75002574 - TANKFLOW
    • Serial number 75002574
    • Filing date Oct 2, 1995
    • Keystone International Holdings Corporation
    • 6 - Common metals and their alloys
  • Information Trademark

    74652595 - ULTRON
    • Serial number 74652595
    • Registration number 2042352
    • Filing date Mar 23, 1995
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74652592 - BITRON
    • Serial number 74652592
    • Registration number 1951537
    • Filing date Mar 23, 1995
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74652593 - SINGLTRON
    • Serial number 74652593
    • Registration number 1953411
    • Filing date Mar 23, 1995
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74652591 - VALVTRON
    • Serial number 74652591
    • Registration number 1994862
    • Filing date Mar 23, 1995
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74652590 - UNITRON
    • Serial number 74652590
    • Registration number 1953410
    • Filing date Mar 23, 1995
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74649483 - JACKETRON
    • Serial number 74649483
    • Registration number 1953369
    • Filing date Mar 21, 1995
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74531343 - K-BLOCK
    • Serial number 74531343
    • Registration number 1964644
    • Filing date May 31, 1994
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74509686 - K-NIFE
    • Serial number 74509686
    • Registration number 2022374
    • Filing date Apr 6, 1994
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74509678 - BIFFI
    • Serial number 74509678
    • Filing date Apr 6, 1994
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 7 - Machines and machine tools
  • Information Trademark

    74445659 - ISOLATOR
    • Serial number 74445659
    • Filing date Oct 12, 1993
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74445660 - QUARTER-TURN GATE
    • Serial number 74445660
    • Registration number 2084225
    • Filing date Oct 12, 1993
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    74446182 - QTG
    • Serial number 74446182
    • Registration number 1896771
    • Filing date Oct 12, 1993
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74444519 - K-BALL
    • Serial number 74444519
    • Filing date Oct 6, 1993
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74444402 - KEYSTONE MORIN
    • Serial number 74444402
    • Registration number 1899587
    • Filing date Oct 6, 1993
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 7 - Machines and machine tools
  • Information Trademark

    74444551 - THE QUARTER TURN SOLUTION
    • Serial number 74444551
    • Filing date Oct 6, 1993
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    74338334 - BARRIKADE
    • Serial number 74338334
    • Filing date Dec 9, 1992
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 7 - Machines and machine tools
  • Information Trademark

    74336893 - KEYBUS
    • Serial number 74336893
    • Filing date Dec 4, 1992
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74333124 - VALVBUS
    • Serial number 74333124
    • Registration number 1875837
    • Filing date Nov 20, 1992
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74303809 - PRINCE
    • Serial number 74303809
    • Filing date Aug 13, 1992
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74239383 - K-LON
    • Serial number 74239383
    • Filing date Jan 22, 1992
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 7 - Machines and machine tools
  • Information Trademark

    74238453 - K-NIFE
    • Serial number 74238453
    • Filing date Jan 17, 1992
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys
  • Information Trademark

    74238469 - VANESSA
    • Serial number 74238469
    • Filing date Jan 17, 1992
    • KEYSTONE INTERNATIONAL HOLDINGS CORP.
    • 6 - Common metals and their alloys