U.S. patents available from 1976 to present.
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Dual chamber airbag cushion

Patent 7946613 Issued on May 24, 2011. Estimated Expiration Date: Icon_subject March 3, 2029. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3843150

Air bag in air bag equipment
Patent #: 5016913
Issued on: 05/21/1991
Inventor: Nakajima, ;, , , --> Nakajima, et al.

Occupant restraint cushion
Patent #: 5129675
Issued on: 07/14/1992
Inventor: Wang

Air bag diverter
Patent #: 5172933
Issued on: 12/22/1992
Inventor: Strasser

Air bag type occupant protector
Patent #: 5240283
Issued on: 08/31/1993
Inventor: Kishi, et al.

Air bag valve assembly
Patent #: 5246250
Issued on: 09/21/1993
Inventor: Wolanin, et al.

Displacement responsive air bag vent
Patent #: 5280953
Issued on: 01/25/1994
Inventor: Wolanin, et al.

Process for producing sulfolane compounds
Patent #: 5290953
Issued on: 03/01/1994
Inventor: Clark, Jr., et al.

Dashboard top mounted vehicle air bag assembly
Patent #: 5306043
Issued on: 04/26/1994
Inventor: Mihm, et al.

Air bag system for restraining movement of an adult and/or a child
Patent #: 5310214
Issued on: 05/10/1994
Inventor: Cuevas

More ...

Inventors

Assignee

Application

No. 12397019 filed on 03/03/2009

US Classes:

280/729Plural compartment confinement (e.g., "bag within a bag")

Examiners

Primary: Dickson, Paul N
Assistant: Coker, Robert A

Attorney, Agent or Firm

Foreign Patent References

  • 196 40 322 DE 03/01/1996
  • 293 91 521 DE 07/01/2003
  • 0 458 838 EP 05/01/1996
  • 1824710 EP 06/01/2009
  • 1 362 672 GB 08/01/1974
  • 2328646 GB 03/01/1999
  • 05085295 JP 04/01/1993
  • 11321506 JP 11/01/1999
  • 2001-030863 JP 02/01/2001
  • 2001-158315 JP 06/01/2001
  • 2005-247118 JP 09/01/2005
  • 2005-280470 JP 10/01/2005
  • WO 2006/041547 WO 04/01/2006
  • WO 2006/041552 WO 04/01/2006
  • WO 2006/073534 WO 07/01/2006
  • WO 2007/067371 WO 06/01/2007
  • WO 2007/067377 WO 06/01/2007
  • WO 2009/020786 WO 08/01/2009
  • WO 2008/150578 WO 12/01/2009
  • WO-2010/101673 WO 09/01/2010

International Class

B60R 21/16

Abstract

An airbag cushion has two chambers to permit the front chamber to inflate less rapidly than the back chamber for cushioning the head of an occupant in a vehicle with less force than the chest of an occupant is cushioned by the back chamber.

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