Donnell L. Dunn

Person

Wausau, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Control system with tri-pressure selector network
- Patent number 5,313,795
- Issue date May 24, 1994
- Case Corporation
- Donnell L. Dunn
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic implement regeneration system
- Patent number 4,913,616
- Issue date Apr 3, 1990
- J. I. Case Company
- Donnell L. Dunn
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic system for preventing leak down of hydraulic implements
- Patent number 4,417,633
- Issue date Nov 29, 1983
- J. I. Case Company
- Donnell L. Dunn
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Self-actuating fluid holding system
- Patent number 4,147,093
- Issue date Apr 3, 1979
- J. I. Case Company
- Donnell L. Dunn
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic system with dual pumps for tractor brake, steering, and l...
- Patent number 4,061,201
- Issue date Dec 6, 1977
- J. I. Case Company
- Donnell Lynn Dunn
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic load-sensing system
- Patent number 4,010,610
- Issue date Mar 8, 1977
- J. I. Case Company
- Donnell Lynn Dunn
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic system for a working machine
- Patent number 4,005,636
- Issue date Feb 1, 1977
- J. I. Case Company
- Donnell L. Dunn
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Fluid pressure system having pumps and valves
- Patent number 3,955,474
- Issue date May 11, 1976
- J. I. Case Company
- Donnell L. Dunn
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Donnell L. Dunn

Person

Patents Grantslast 30 patents

Control system with tri-pressure selector network

Hydraulic implement regeneration system

Hydraulic system for preventing leak down of hydraulic implements

Self-actuating fluid holding system

Hydraulic system with dual pumps for tractor brake, steering, and l...

Hydraulic load-sensing system

Hydraulic system for a working machine

Fluid pressure system having pumps and valves