TREA

HOUSTON SYSTEMS MANUFACTURING COMPANY

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Organization

  • HOUSTON, TX, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    High temperature dual butterfly valve
    • Patent number 4,377,181
    • Issue date Mar 22, 1983
    • Houston Systems Manufacturing Co., Inc.
    • John C. H. Chan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve bonnet for high temperature service
    • Patent number 4,344,454
    • Issue date Aug 17, 1982
    • Houston Systems Manufacturing Co., Inc.
    • John C. H. Chan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air diffuser assembly
    • Patent number 4,279,842
    • Issue date Jul 21, 1981
    • Houston Systems Manufacturing Co., Inc.
    • Robert E. Belveal
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Waste treatment apparatus
    • Patent number 4,259,182
    • Issue date Mar 31, 1981
    • Houston Systems Manufacturing Co.
    • Robert E. Belveal
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Trademarklast 30 trademarks

  • Information Trademark

    73268040 - HELI FLOW
    • Serial number 73268040
    • Filing date Jun 27, 1980
    • HOUSTON SYSTEMS MANUFACTURING COMPANY
    • 12 - Vehicles
  • Information Trademark

    73268041 - H-F
    • Serial number 73268041
    • Registration number 1203476
    • Filing date Jun 27, 1980
    • HOUSTON SYSTEMS MANUFACTURING COMPANY
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes