Van T. Walworth

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Warrior, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Gasket for field adaptable push-on restrained joint and joint thus...
- Patent number 5,067,751
- Issue date Nov 26, 1991
- American Cast Iron Pipe Company
- Van T. Walworth
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Axially restrained pipe joint with improved locking ring structure
- Patent number 4,685,708
- Issue date Aug 11, 1987
- American Cast Iron Pipe Company
- Randall C. Conner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe joint assembly with snap ring and associated method
- Patent number 4,643,466
- Issue date Feb 17, 1987
- American Cast Iron Pipe Company
- Randall C. Conner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...