Ronald L. Loup

Person

Clarkson, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Fail-safe fluid piloted valve positioner with hydromechanical posit...
- Patent number 4,699,355
- Issue date Oct 13, 1987
- Koomey, Inc.
- Jerry B. Tomlin
- G05 - CONTROLLING REGULATING
Information Patent Grant
Solenoid valve override cartridge
- Patent number 4,574,843
- Issue date Mar 11, 1986
- Double A Products Co.
- Ronald L. Loup
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pressure reducing and regulating valve
- Patent number 4,554,940
- Issue date Nov 26, 1985
- Koomey, Inc.
- Ronald L. Loup
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pressure reducing and regulating valve
- Patent number 4,475,568
- Issue date Oct 9, 1984
- Koomey, Inc.
- Ronald L. Loup
- G05 - CONTROLLING REGULATING
Information Patent Grant
Solenoid operated valve
- Patent number D273699
- Issue date May 1, 1984
- Double A Products Company
- Ronald L. Loup
- D23 - Environmental heating and cooling
Information Patent Grant
Pressure reducing and regulating valve
- Patent number 4,444,216
- Issue date Apr 24, 1984
- Koomey, Inc.
- Ronald L. Loup
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Solenoid operated directional valves having modular construction
- Patent number 4,418,720
- Issue date Dec 6, 1983
- Double A Products Company
- Curtis H. Day
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Directional valve with spool transfer loop
- Patent number 4,406,307
- Issue date Sep 27, 1983
- Double A Products Company
- Ronald L. Loup
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve body for solenoid operated directional valve
- Patent number 4,375,226
- Issue date Mar 1, 1983
- Double A Products Company
- Ronald L. Loup
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Solenoid operated directional valve with detent mechanism
- Patent number 4,353,394
- Issue date Oct 12, 1982
- Double A Products Co.
- Ronald L. Loup
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Terminal blocks and indicator for solenoid valves
- Patent number 4,308,891
- Issue date Jan 5, 1982
- Double A Products Co.
- Ronald L. Loup
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solenoid construction
- Patent number 4,194,173
- Issue date Mar 18, 1980
- Double A Products Company
- Ronald L. Loup
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solenoid operated directional valve with detent mechanism
- Patent number 4,185,661
- Issue date Jan 29, 1980
- Double A Products
- Arthur W. Gill
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic valve module
- Patent number 4,170,214
- Issue date Oct 9, 1979
- Double A Products Company
- Arthur W. Gill
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Ronald L. Loup

Person

Patents Grantslast 30 patents

Fail-safe fluid piloted valve positioner with hydromechanical posit...

Solenoid valve override cartridge

Pressure reducing and regulating valve

Pressure reducing and regulating valve

Solenoid operated valve

Pressure reducing and regulating valve

Solenoid operated directional valves having modular construction

Directional valve with spool transfer loop

Valve body for solenoid operated directional valve

Solenoid operated directional valve with detent mechanism

Terminal blocks and indicator for solenoid valves

Solenoid construction

Solenoid operated directional valve with detent mechanism

Hydraulic valve module