Anthony B. Duncan

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Missouri City, TX, US

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Patents Grantslast 30 patents

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
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
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...