John V. Ballun

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Plainfield, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Plug valve and method of assembly
- Patent number 4,887,629
- Issue date Dec 19, 1989
- AMSTED Industries Incorporated
- A. Kenneth Wilson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Plug valve
- Patent number 4,863,144
- Issue date Sep 5, 1989
- AMSTED Industries Incorporated
- A. Kenneth Wilson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotatable valve with anti-cavitation structure
- Patent number 4,739,794
- Issue date Apr 26, 1988
- AMSTED Industries Incorporated
- John V. Ballun
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Post assembly for buried valve having an above ground actuator
- Patent number 4,708,160
- Issue date Nov 24, 1987
- AMSTED Industries Incorporated
- Steve M. Sharp
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Post assembly for a buried valve
- Patent number 4,702,275
- Issue date Oct 27, 1987
- AMSTED Industries Incorporated
- John V. Ballun
- E03 - WATER SUPPLY SEWERAGE