James A. Neff

Person

Birmingham, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pilot operated pneumatic valve
- Patent number 6,543,481
- Issue date Apr 8, 2003
- MAC Valves, Inc.
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pilot operated pneumatic valve
- Patent number 6,192,937
- Issue date Feb 27, 2001
- MAC Valves, Inc.
- Richard A. Fagerlie
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pressure regulator with integrated control valve, adjustable downst...
- Patent number 6,095,184
- Issue date Aug 1, 2000
- Mac Valves Inc.
- James A. Neff
- G05 - CONTROLLING REGULATING
Information Patent Grant
Solenoid
- Patent number 5,192,936
- Issue date Mar 9, 1993
- MAC Valves, Inc.
- James A. Neff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a valve with adjustable valve seat
- Patent number 5,136,774
- Issue date Aug 11, 1992
- Mac Vales, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve with adjustable valve seat
- Patent number 5,092,365
- Issue date Mar 3, 1992
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Poppet valve
- Patent number 4,880,033
- Issue date Nov 14, 1989
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve base with integral flow control valves and common exhaust pas...
- Patent number 4,856,560
- Issue date Aug 15, 1989
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve base with integral flow controls
- Patent number 4,770,209
- Issue date Sep 13, 1988
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve manifold stacking base
- Patent number 4,770,210
- Issue date Sep 13, 1988
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Selective air pressure control system for welding and like apparatus
- Patent number 4,579,042
- Issue date Apr 1, 1986
- MAC Valves, Inc.
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Four-way poppet valve
- Patent number 4,574,844
- Issue date Mar 11, 1986
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Direct solenoid operated valve with minimal tolerance accumulation
- Patent number 4,566,490
- Issue date Jan 28, 1986
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve spool
- Patent number 4,522,374
- Issue date Jun 11, 1985
- MAC Valves, Inc.
- James A. Neff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Four-way stacking valve with common electrical conduit and body mou...
- Patent number 4,491,152
- Issue date Jan 1, 1985
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Four-way stacking valve with common electrical conduit and individu...
- Patent number 4,491,151
- Issue date Jan 1, 1985
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Four-way valve with integral flow controls, common exhaust, and car...
- Patent number 4,485,846
- Issue date Dec 4, 1984
- MAC Valves, Inc.
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Four-way stacking valve with common electrical conduit and individu...
- Patent number 4,465,100
- Issue date Aug 14, 1984
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Four-way stacking valve with common electrical conduit and body mou...
- Patent number 4,462,427
- Issue date Jul 31, 1984
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Four-way valve with cover mounted pressure regulating and flow cont...
- Patent number 4,453,565
- Issue date Jun 12, 1984
- MAC Valves, Inc.
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Remote air operator for an air valve, with manual override and indi...
- Patent number 4,453,697
- Issue date Jun 12, 1984
- MAC Valves, Inc.
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Low-wattage solenoid
- Patent number 4,438,418
- Issue date Mar 20, 1984
- MAC Valves, Inc.
- James A. Neff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cartridge type pilot valve
- Patent number 4,407,323
- Issue date Oct 4, 1983
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flow control valve with a non-rising stem
- Patent number 4,381,797
- Issue date May 3, 1983
- MAC Valves, Inc.
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Three-way normally closed pilot valve
- Patent number 4,298,027
- Issue date Nov 3, 1981
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pressure regulator and flow control valve with pre-exhaust
- Patent number 4,279,271
- Issue date Jul 21, 1981
- MAC Valves, Inc.
- James A. Neff
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Pressure regulating valve
- Patent number 4,271,864
- Issue date Jun 9, 1981
- MAC Valves, Inc.
- James A. Neff
- G05 - CONTROLLING REGULATING
Information Patent Grant
Pilot operated pilot valve
- Patent number 4,271,868
- Issue date Jun 9, 1981
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Directional control valve with flow path through valve spool
- Patent number 4,267,862
- Issue date May 19, 1981
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve with internal accumulator and check valve
- Patent number 4,257,572
- Issue date Mar 24, 1981
- MAC Valves, Inc.
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PILOT OPERATED PNEUMATIC VALVE
- Publication number 20030047222
- Publication date Mar 13, 2003
- James A. Neff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

James A. Neff

Person

Patents Grantslast 30 patents

Pilot operated pneumatic valve

Pilot operated pneumatic valve

Pressure regulator with integrated control valve, adjustable downst...

Solenoid

Method of making a valve with adjustable valve seat

Valve with adjustable valve seat

Poppet valve

Valve base with integral flow control valves and common exhaust pas...

Valve base with integral flow controls

Valve manifold stacking base

Selective air pressure control system for welding and like apparatus

Four-way poppet valve

Direct solenoid operated valve with minimal tolerance accumulation

Valve spool

Four-way stacking valve with common electrical conduit and body mou...

Four-way stacking valve with common electrical conduit and individu...

Four-way valve with integral flow controls, common exhaust, and car...

Four-way stacking valve with common electrical conduit and individu...

Four-way stacking valve with common electrical conduit and body mou...

Four-way valve with cover mounted pressure regulating and flow cont...

Remote air operator for an air valve, with manual override and indi...

Low-wattage solenoid

Cartridge type pilot valve

Flow control valve with a non-rising stem

Three-way normally closed pilot valve

Pressure regulator and flow control valve with pre-exhaust

Pressure regulating valve

Pilot operated pilot valve

Directional control valve with flow path through valve spool

Valve with internal accumulator and check valve

Patents Applicationslast 30 patents

PILOT OPERATED PNEUMATIC VALVE