Larry A. Vyvial

Follow

Person

Richmond, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Valve, actuator and control system therefor
- Patent number 7,300,035
- Issue date Nov 27, 2007
- Cameron International Corporation
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Backseat assembly for an expanding gate valve
- Patent number 5,435,520
- Issue date Jul 25, 1995
- Cooper Industries, Inc.
- Larry A. Vyvial
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lockdown ring assembly for wellhead seal
- Patent number 4,718,679
- Issue date Jan 12, 1988
- Cooper Industries
- Larry A. Vyvial
- E21 - EARTH DRILLING MINING
Information Patent Grant
Manual override for hydraulic gate valve actuators
- Patent number 4,213,480
- Issue date Jul 22, 1980
- ACF Industries, Incorporated
- Paul R. Orum
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lubricant pocket for pressed in gate valve seat
- Patent number 4,055,325
- Issue date Oct 25, 1977
- ACF Industries, Incorporated
- Larry A. Vyvial
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Valve, actuator and control system therefor
- Publication number 20060022159
- Publication date Feb 2, 2006
- Cooper Cameron Corporation
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL