Logan H. Mathis

Person

Lavonia, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Double valve with anti-tiedown capability
- Patent number 6,318,396
- Issue date Nov 20, 2001
- Ross Operating Valve Company
- David W. Haselden
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Double valve with anti-tiedown capability
- Patent number 6,155,293
- Issue date Dec 5, 2000
- Ross Operating Valve Company
- David W. Haselden
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cross flow with crossmirror and lock out capability valve
- Patent number 5,927,324
- Issue date Jul 27, 1999
- Ross Operating Valve Company
- Neil E. Russell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Crossflow with crossmirror and lock out capability valve
- Patent number 5,850,852
- Issue date Dec 22, 1998
- Ross Operating Valve Company
- Neil E. Russell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Multi-port self-regulating proportional pressure control valve
- Patent number 4,883,091
- Issue date Nov 28, 1989
- Ross Operating Valve Company
- Charles A. Weiler
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Monitor for double safety valves
- Patent number 4,542,767
- Issue date Sep 24, 1985
- Ross Operating Valve Company
- Douglas M. Thornton
- B30 - PRESSES

Logan H. Mathis

Person

Patents Grantslast 30 patents

Double valve with anti-tiedown capability

Double valve with anti-tiedown capability

Cross flow with crossmirror and lock out capability valve

Crossflow with crossmirror and lock out capability valve

Multi-port self-regulating proportional pressure control valve

Monitor for double safety valves