TREA

HYDROTECH INTERNATIONAL, INC

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  • HOUSTON, TX, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe connector apparatus and method
    • Patent number 4,209,270
    • Issue date Jun 24, 1980
    • HydroTech International, Inc.
    • Lloyd E. Billingsley
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Quick operating connector for pipes or the like
    • Patent number 4,116,471
    • Issue date Sep 26, 1978
    • HydroTech International, Inc.
    • Anthony Bruce Duncan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for remotely attaching a riser pipe to an offs...
    • Patent number 4,116,015
    • Issue date Sep 26, 1978
    • HydroTech International, Inc.
    • Anthony Bruce Duncan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Subsea machine tool
    • Patent number 4,091,514
    • Issue date May 30, 1978
    • HydroTech International, Inc.
    • Corroll J. Motes-Conners
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus and method for connecting pipes by welding
    • Patent number 4,089,455
    • Issue date May 16, 1978
    • HydroTech International, Inc.
    • Gary A. Fellers
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe coupling with improved seal means
    • Patent number 4,078,832
    • Issue date Mar 14, 1978
    • HydroTech International, Inc.
    • Robert H. Wittman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for mounting a coupling member over a pipe end in a subse...
    • Patent number 4,076,130
    • Issue date Feb 28, 1978
    • HydroTech International, Inc.
    • Glen R. Sumner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pressure balanced safety pipeline connector
    • Patent number 4,059,288
    • Issue date Nov 22, 1977
    • HydroTech International, Inc.
    • Harvey O. Mohr
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for rigidly interconnecting misaligned pipe ends
    • Patent number 4,045,054
    • Issue date Aug 30, 1977
    • HydroTech International, Inc.
    • James F. Arnold
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Concrete removal tool
    • Patent number 4,044,749
    • Issue date Aug 30, 1977
    • HydroTech International, Inc.
    • Burlie R. Bowen
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method and apparatus for maneuvering pipe ends in a subsea location
    • Patent number 4,028,903
    • Issue date Jun 14, 1977
    • HydroTech International, Inc.
    • Dave S. Dietrich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for making a remote controlled sub-sea pipe connection
    • Patent number 4,014,180
    • Issue date Mar 29, 1977
    • Hydro Tech International, Inc.
    • James A. Kelly
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for coupling pipe or the like
    • Patent number 4,014,567
    • Issue date Mar 29, 1977
    • Hydro Tech International, Inc.
    • James F. Arnold
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pipe coupling
    • Patent number 4,006,921
    • Issue date Feb 8, 1977
    • HydroTech International, Inc.
    • Harvey O. Mohr
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Ring set ball coupling
    • Patent number 4,005,881
    • Issue date Feb 1, 1977
    • HydroTech International, Inc.
    • James A. Burton
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling
    • Patent number 3,997,199
    • Issue date Dec 14, 1976
    • HydroTech International, Inc.
    • James F. Arnold
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball and socket pipe coupling
    • Patent number 3,997,197
    • Issue date Dec 14, 1976
    • HydroTech International, Inc.
    • Gerald A. Marsh
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pipe coupling
    • Patent number 3,986,728
    • Issue date Oct 19, 1976
    • HydroTech International, Inc.
    • Gerald A. Marsh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and apparatus for plugging a pipeline
    • Patent number 3,978,678
    • Issue date Sep 7, 1976
    • HydroTech International, Inc.
    • Anthony B. Duncan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe coupling with retrievable setting means
    • Patent number 3,977,702
    • Issue date Aug 31, 1976
    • HydroTech International, Inc.
    • William E. White
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dynamic pipe coupling
    • Patent number 3,944,263
    • Issue date Mar 16, 1976
    • HydroTech International, Inc.
    • James F. Arnold
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sub-sea pipe cleaning apparatus and method
    • Patent number 3,933,519
    • Issue date Jan 20, 1976
    • HydroTech International, Inc.
    • George C. Koch
    • B08 - CLEANING
  • Information Patent Grant

    Apparatus and method for connecting two axially spaced apart pipes
    • Patent number 3,931,670
    • Issue date Jan 13, 1976
    • HydroTech International, Inc.
    • James F. Arnold
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Process and device for producing hydrogen
    • Publication number 20050150164
    • Publication date Jul 14, 2005
    • HYDRO TECH INTERNATIONAL INC.
    • Norman Wootan
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

  • Information Trademark

    73046853 - HYDRO TAP
    • Serial number 73046853
    • Registration number 1052255
    • Filing date Mar 17, 1975
    • HYDROTECH INTERNATIONAL, INC.
    • 6 - Common metals and their alloys
  • Information Trademark

    73046850 - HYDRO CLAMP
    • Serial number 73046850
    • Registration number 1071315
    • Filing date Mar 17, 1975
    • HYDROTECH INTERNATIONAL, INC.
    • 8 - Hand tools and implements (hand-operated)
  • Information Trademark

    73042055 - HYDROTECH
    • Serial number 73042055
    • Registration number 1034452
    • Filing date Jan 17, 1975
    • HYDROTECH INTERNATIONAL, INC.
    • 35 - Advertising
  • Information Trademark

    73038769 - HYDROTECH
    • Serial number 73038769
    • Registration number 1042902
    • Filing date Dec 5, 1974
    • HYDROTECH INTERNATIONAL, INC.
    • 19 - Building materials (non-metallic)