Donald L. Stephens

Person

King County, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Frame beaming reduction assembly
- Patent number 5,701,969
- Issue date Dec 30, 1997
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Seat suspension
- Patent number 5,570,866
- Issue date Nov 5, 1996
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Stiff beam suspension system
- Patent number 5,427,404
- Issue date Jun 27, 1995
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatically damped vehicle suspension system
- Patent number 5,374,077
- Issue date Dec 20, 1994
- PACCAR Inc.
- Roger P. Penzotti
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Lightweight suspension system for a wheeled vehicle, spring arm and...
- Patent number 5,366,238
- Issue date Nov 22, 1994
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of manufacturing an elongated spring member
- Patent number 5,365,646
- Issue date Nov 22, 1994
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Engine mounting arrangement
- Patent number 5,094,425
- Issue date Mar 10, 1992
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axle suspension system
- Patent number 5,046,752
- Issue date Sep 10, 1991
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Axle suspension system
- Patent number 4,856,812
- Issue date Aug 15, 1989
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Sway bar for an engine mounting
- Patent number 4,850,448
- Issue date Jul 25, 1989
- PACCAR Inc.
- Donald L. Stephens
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for calculating corrected vehicle fuel economy
- Patent number 4,845,630
- Issue date Jul 4, 1989
- PACCAR Inc.
- Donald L. Stephens
- G01 - MEASURING TESTING
Information Patent Grant
Quick-response control system for low-flow engine coolant systems
- Patent number 4,697,551
- Issue date Oct 6, 1987
- PACCAR Inc.
- Hals N. Larsen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus for clamping a hose onto a coolant tube
- Patent number 4,530,524
- Issue date Jul 23, 1985
- PACCAR Inc.
- Donald L. Stephens
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cab pitch restraint
- Patent number 4,438,825
- Issue date Mar 27, 1984
- PACCAR Inc.
- Donald L. Stephens
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Truck with tilting cab and non-tilting separated sleeping compartment
- Patent number 4,121,684
- Issue date Oct 24, 1978
- PACCAR Inc.
- Donald L. Stephens
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Donald L. Stephens

Person

Patents Grantslast 30 patents

Frame beaming reduction assembly

Seat suspension

Stiff beam suspension system

Pneumatically damped vehicle suspension system

Lightweight suspension system for a wheeled vehicle, spring arm and...

Method of manufacturing an elongated spring member

Engine mounting arrangement

Axle suspension system

Axle suspension system

Sway bar for an engine mounting

Method and apparatus for calculating corrected vehicle fuel economy

Quick-response control system for low-flow engine coolant systems

Apparatus for clamping a hose onto a coolant tube

Cab pitch restraint

Truck with tilting cab and non-tilting separated sleeping compartment