TREA

ANDERSON, GREENWOOD & CO

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  • STAFFORD, TX, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual active selector valve
    • Patent number 4,821,772
    • Issue date Apr 18, 1989
    • Anderson-Greenwood & Co.
    • William L. Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bonnet lock
    • Patent number 4,746,095
    • Issue date May 24, 1988
    • Anderson, Greenwood & Co.
    • Walter T. Roush
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety relief system for control or vent valves
    • Patent number 4,705,065
    • Issue date Nov 10, 1987
    • Anderson, Greenwood & Company
    • Michael D. McNeely
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Testing device for pilot valves
    • Patent number 4,682,495
    • Issue date Jul 28, 1987
    • Anderson, Greenwood & Company
    • Michael D. McNeely
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure relief device for vessels
    • Patent number 4,674,530
    • Issue date Jun 23, 1987
    • Anderson, Greenwood & Company
    • Cleo M. Bickford
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Pressure boost attachment for pilot valves
    • Patent number 4,632,143
    • Issue date Dec 30, 1986
    • Anderson, Greenwood & Co.
    • Michael D. McNeely
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve manifold for a differential pressure transmitter
    • Patent number 4,602,657
    • Issue date Jul 29, 1986
    • Anderson-Greenwood & Co.
    • William L. Anderson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Unitized measurement instrument connector apparatus
    • Patent number 4,453,417
    • Issue date Jun 12, 1984
    • Anderson, Greenwood & Company
    • Michael E. Moyers
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Pilot for safety valve
    • Patent number 4,445,531
    • Issue date May 1, 1984
    • Anderson, Greenwood & Co.
    • Walter W. Powell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multivalve manifold interlock and control system
    • Patent number 4,429,711
    • Issue date Feb 7, 1984
    • Anderson, Greenwood & Co.
    • Marion L. Schomer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure relief device
    • Patent number 4,388,940
    • Issue date Jun 21, 1983
    • Anderson, Greenwood & Co.
    • Walter W. Powell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure transmitter manifold
    • Patent number 4,319,492
    • Issue date Mar 16, 1982
    • Anderson, Greenwood & Co.
    • John E. Hewson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Check valve
    • Patent number 4,222,408
    • Issue date Sep 16, 1980
    • Anderson, Greenwood & Co.
    • Lomis Slaughter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 4,188,973
    • Issue date Feb 19, 1980
    • Anderson, Greenwood & Co.
    • Irvin B. Weise
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential transmitter and manifold mounting
    • Patent number 4,182,362
    • Issue date Jan 8, 1980
    • Anderson, Greenwood & Co.
    • John E. Hewson
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Internal tank valve
    • Patent number 3,986,525
    • Issue date Oct 19, 1976
    • Anderson, Greenwood & Co.
    • Lomis Slaughter
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    76534233 - LONERGAN
    • Serial number 76534233
    • Registration number 3043251
    • Filing date Jul 16, 2003
    • ANDERSON, GREENWOOD & CO.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    74207701 - TECHNOLOGY FOR ... SAFETY, ENVIRONMENTAL PROTECTION AND...
    • Serial number 74207701
    • Registration number 1781071
    • Filing date Sep 30, 1991
    • ANDERSON, GREENWOOD & CO.
    • 6 - Common metals and their alloys
  • Information Trademark

    73586865 - DOG-BONE
    • Serial number 73586865
    • Registration number 1436192
    • Filing date Mar 7, 1986
    • ANDERSON, GREENWOOD & CO.
    • 6 - Common metals and their alloys
  • Information Trademark

    73567737 - AGCO
    • Serial number 73567737
    • Registration number 1428099
    • Filing date Nov 12, 1985
    • ANDERSON, GREENWOOD & CO.
    • 6 - Common metals and their alloys
  • Information Trademark

    72405027 - AG
    • Serial number 72405027
    • Registration number 950647
    • Filing date Oct 14, 1971
    • ANDERSON, GREENWOOD & CO.
    • 6 - Common metals and their alloys