Keith E. Hoffman

Person

Atlanta, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic elastomer air spring
- Patent number 6,199,837
- Issue date Mar 13, 2001
- Bridgestone/Firestone, Inc.
- Daniel J. Leonard
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tapered airsleeve curing press
- Patent number 5,468,140
- Issue date Nov 21, 1995
- Bridgestone/Firestone, Inc.
- Keith E. Hoffman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Snap mounted attachment device
- Patent number 5,342,139
- Issue date Aug 30, 1994
- Bridgestone/Firestone, Inc.
- Keith E. Hoffman
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Variable rate air spring suspension system
- Patent number 5,169,129
- Issue date Dec 8, 1992
- Bridgestone/Firestone, Inc.
- Keith E. Hoffman
- B60 - VEHICLES IN GENERAL
Information Patent Grant
External clamping band for air spring
- Patent number 4,946,144
- Issue date Aug 7, 1990
- Bridgestone/Firestone, Inc.
- Wayne H. Geno
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Clamp ring assembly for air spring
- Patent number 4,899,995
- Issue date Feb 13, 1990
- Bridgestone/Firestone, Inc.
- Keith E. Hoffman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Suspension system for vehicles containing combination isolator moun...
- Patent number 4,796,870
- Issue date Jan 10, 1989
- The Firestone Tire & Rubber Company
- Keith E. Hoffman
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air spring having internal sealing band and method of installing same
- Patent number 4,787,607
- Issue date Nov 29, 1988
- The Firestone Tire & Rubber Company
- Wayne H. Geno
- B60 - VEHICLES IN GENERAL

Keith E. Hoffman

Person

Patents Grantslast 30 patents

Thermoplastic elastomer air spring

Tapered airsleeve curing press

Snap mounted attachment device

Variable rate air spring suspension system

External clamping band for air spring

Clamp ring assembly for air spring

Suspension system for vehicles containing combination isolator moun...

Air spring having internal sealing band and method of installing same