William J. Spivey Jr.

Person

Joliet, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Rotary control valve
- Patent number 5,979,504
- Issue date Nov 9, 1999
- Caterpillar Inc.
- William J. Spivey
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Steering mechanism for a vehicle
- Patent number 4,955,442
- Issue date Sep 11, 1990
- Caterpillar Inc.
- Elmer R. Crabb
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Track adjuster flow control mechanism
- Patent number 4,887,872
- Issue date Dec 19, 1989
- Caterpillar Inc.
- Carl P. Adams
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Hydrostatic transmission having an overspeed control
- Patent number 4,365,473
- Issue date Dec 28, 1982
- Caterpillar Tractor Co.
- Lawrence F. Schexnayder
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control arrangement with snubber means
- Patent number 4,356,738
- Issue date Nov 2, 1982
- Caterpillar Tractor Co.
- Lucien B. Shuler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sequential preconditioning circuit for hydrostatic transmission
- Patent number 4,343,150
- Issue date Aug 10, 1982
- Caterpillar Tractor Co.
- Lucien B. Shuler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control circuit for variable displacement pumps with override valve
- Patent number 4,341,073
- Issue date Jul 27, 1982
- Caterpillar Tractor Co.
- William J. Spivey
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Reset means for fluid control circuit
- Patent number 4,248,134
- Issue date Feb 3, 1981
- Caterpillar Tractor Co.
- William J. Spivey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control circuit for variable displacement pump with venturi bypass...
- Patent number 4,182,125
- Issue date Jan 8, 1980
- Caterpillar Tractor Co.
- William J. Spivey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Underspeed actuator with part throttle control
- Patent number 3,996,743
- Issue date Dec 14, 1976
- Caterpillar Tractor Co.
- Cyril W. Habiger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

William J. Spivey Jr.

Person

Patents Grantslast 30 patents

Rotary control valve

Steering mechanism for a vehicle

Track adjuster flow control mechanism

Hydrostatic transmission having an overspeed control

Control arrangement with snubber means

Sequential preconditioning circuit for hydrostatic transmission

Control circuit for variable displacement pumps with override valve

Reset means for fluid control circuit

Control circuit for variable displacement pump with venturi bypass...

Underspeed actuator with part throttle control