Inventor
James L. Davison
Inventor
Freeland, MI, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F15Bprimary
F15BSystems acting by means of fluids in general19%
Y10TTechnical subjects covered by former us classification19%
B60TVehicle brake control systems or parts thereof16%
B62DMotor vehicles16%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids13%
F01PCooling of machines or engines in general6%
F04BPositive-displacement machines for liquids6%
F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped3%
G05DSystems for controlling or regulating non-electric variables3%
PatentTitleYear
7,779,744'Vehicular hydraulic system with priority valve'20107,765,915'Vehicular hydraulic system with dual relief valve'20107,739,943'Vehicular hydraulic system with pressure dump and relief valve arrangement'20107,739,942'Vehicular hydraulic system with pressure dump valve'20107,730,825'Vehicular hydraulic system with priority valve and relief valve'20106,814,413'Hydraulic brake and steering assist system'20046,783,334'Hydraulic pump reservoir having deaeration diffuser'20046,641,372'Dual discharge hydraulic pump and system therefor'20035,943,861'Hydraulic system for motor vehicle'19995,857,478'Demand responsive flow control valve'19995,802,848'Hydraulic system for motor vehicle'19985,651,665'Adjustable relief valve arrangement for a motor vehicle power steering hydraulic pump system'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1999Patents assigned to GEN MOTORS CORP (4)· patent assignee history
1997–2010Based in Freeland, MI, US· patent location history
2003–2004Patents assigned to DELPHI TECH INC (3)· patent assignee history
2003Based in Freelan, MI, US· patent location history
2010Patents assigned to GM GLOBAL TECH OPERATIONS INC (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 5 | 2010 |
| GEN MOTORS CORP | 4 | 1997–1999 |
| DELPHI TECH INC | 3 | 2003–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Freeland, MI, US | 11 | 1997–2010 |
| Freelan, MI, US | 1 | 2003 |