David A. Weitzenhof

Person

Akron, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device to encapsulate tire tag
- Patent number 6,868,717
- Issue date Mar 22, 2005
- Bridgestone/Firestone North America Tire, LLC
- Russell W. Koch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air spring with vibration isolation
- Patent number 6,637,733
- Issue date Oct 28, 2003
- BFS Diversified Products, LLC
- David A. Weitzenhof
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device to encapsulate a pressure sensor
- Patent number 6,516,673
- Issue date Feb 11, 2003
- Bridgestone/Firestone North American Tire, LLC
- Russell W. Koch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air spring swage assembly
- Patent number 6,474,630
- Issue date Nov 5, 2002
- BFS Diversified Products, LLC
- David A. Weitzenhof
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device to encapsulate a substrate containing sensitive electronic c...
- Patent number 6,386,254
- Issue date May 14, 2002
- Bridgestone/Firestone Research, Inc.
- Russell W. Koch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibration damping device using ER fluids having multiple electrodes
- Patent number RE37015
- Issue date Jan 16, 2001
- Bridgestone/Firestone, Inc.
- John D. Rensel
- 188 - Brakes
Information Patent Grant
Device to encapsulate a substrate containing sensitive electronic c...
- Patent number 6,161,430
- Issue date Dec 19, 2000
- Bridgestone/Firestone Research Inc.
- Russell W. Koch
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibration damping device using ER fluids having multiple electrodes
- Patent number 5,590,745
- Issue date Jan 7, 1997
- Bridgestone/Firestone, Inc.
- John D. Rensel
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Splined vibration damping device using ER fluids
- Patent number 5,588,509
- Issue date Dec 31, 1996
- Bridgestone/Firestone, Inc.
- David A. Weitzenhof
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vibration damping device with an electrode and having rolling lobes...
- Patent number 5,449,150
- Issue date Sep 12, 1995
- Bridgestone Corporation
- Isao Watanabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vibration damping device
- Patent number 5,180,145
- Issue date Jan 19, 1993
- Bridgestone Corporation
- Isao Watanabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air spring suspension system with dual path isolation
- Patent number 5,009,401
- Issue date Apr 23, 1991
- Bridgestone/Firestone, Inc.
- David A. Weitzenhof
- B60 - VEHICLES IN GENERAL
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
Ultrasonic air spring system
- Patent number 4,798,369
- Issue date Jan 17, 1989
- The Firestone Tire & Rubber Company
- Wayne H. Geno
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air spring having internal sealing band and method of installing same
- Patent number 4,793,598
- Issue date Dec 27, 1988
- The Firestone Tire & Rubber Company
- Wayne H. Geno
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Air spring suspension system
- Patent number 4,712,776
- Issue date Dec 15, 1987
- The Firestone Tire & Rubber Company
- Wayne H. Geno
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual trailing arm vehicle suspension system
- Patent number 4,623,162
- Issue date Nov 18, 1986
- The Firestone Tire & Rubber Company
- David A. Weitzenhof
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Beverage dispenser
- Patent number 4,264,019
- Issue date Apr 28, 1981
- The Firestone Tire & Rubber Company
- Robert O. Roberts
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Semi-pneumatic energy absorbing bumper system for motor vehicles
- Patent number 4,103,951
- Issue date Aug 1, 1978
- The Firestone Tire & Rubber Company
- Thomas A. Bank
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Semi-pneumatic energy absorbing bumper system for motor vehicles
- Patent number 3,989,292
- Issue date Nov 2, 1976
- The Firestone Tire & Rubber Company
- Thomas A. Bank
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method and device to encapsulate tire tag
- Publication number 20040050170
- Publication date Mar 18, 2004
- Russell W. Koch
- B60 - VEHICLES IN GENERAL
Information Patent Application
AIR SPRING SWAGE ASSEMBLY
- Publication number 20020153646
- Publication date Oct 24, 2002
- David A. Weitzenhof
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Device to encapsulate a substrate containing sensitive electronic c...
- Publication number 20020029628
- Publication date Mar 14, 2002
- Russell W. Koch
- B60 - VEHICLES IN GENERAL

David A. Weitzenhof

Person

Patents Grantslast 30 patents

Method and device to encapsulate tire tag

Air spring with vibration isolation

Device to encapsulate a pressure sensor

Air spring swage assembly

Device to encapsulate a substrate containing sensitive electronic c...

Vibration damping device using ER fluids having multiple electrodes

Device to encapsulate a substrate containing sensitive electronic c...

Vibration damping device using ER fluids having multiple electrodes

Splined vibration damping device using ER fluids

Vibration damping device with an electrode and having rolling lobes...

Vibration damping device

Air spring suspension system with dual path isolation

Clamp ring assembly for air spring

Ultrasonic air spring system

Air spring having internal sealing band and method of installing same

Air spring suspension system

Dual trailing arm vehicle suspension system

Beverage dispenser

Semi-pneumatic energy absorbing bumper system for motor vehicles

Semi-pneumatic energy absorbing bumper system for motor vehicles

Patents Applicationslast 30 patents

Method and device to encapsulate tire tag

AIR SPRING SWAGE ASSEMBLY

Device to encapsulate a substrate containing sensitive electronic c...