Patents by Inventor Karl-Heinz Bührlen

Karl-Heinz Bührlen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10850700
    Abstract: It is provided a method for manufacturing a gas bag module of a vehicle occupant restraint system. The method comprising the steps: providing a gas bag; prefolding the gas bag; pressing at least a portion of the prefolded gas bag under the influence of heat; and folding the pressed gas bag to a final dimension.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: December 1, 2020
    Assignee: JOYSON SAFETY SYSTEMS GERMANY GMBH
    Inventors: Thomas Reichenbecher, Axel Grüner, Karl-Heinz Bührlen
  • Patent number: 10682976
    Abstract: It is provided a vehicle occupant restraint system comprising an airbag module and a vehicle seat, wherein the airbag module comprises an inflatable gas bag and the vehicle seat comprises a backrest with a front side, a rear side, a left side, a right side and an upper side. The gas bag is arranged at the backrest of the vehicle seat in such a way that in the inflated state the gas bag extends over a portion of the rear side of the backrest, over a portion of the left or the right side of the backrest and over a portion of the upper side of the backrest and is supported on the portion of the rear side of the backrest, on the portion of the left or the right side of the backrest and on the portion of the upper side of the backrest.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: June 16, 2020
    Assignee: JOYSON SAFETY SYSTEMS GERMANY GMBH
    Inventors: Volker Rathgeb, Karl-Heinz Bührlen
  • Publication number: 20190135221
    Abstract: It is provided a vehicle occupant restraint system comprising an airbag module and a vehicle seat, wherein the airbag module comprises an inflatable gas bag and the vehicle seat comprises a backrest with a front side, a rear side, a left side, a right side and an upper side. The gas bag is arranged at the backrest of the vehicle seat in such a way that in the inflated state the gas bag extends over a portion of the rear side of the backrest, over a portion of the left or the right side of the backrest and over a portion of the upper side of the backrest and is supported on the portion of the rear side of the backrest, on the portion of the left or the right side of the backrest and on the portion of the upper side of the backrest.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 9, 2019
    Applicant: TB Deu Abwicklungs-Aktiengesellschaft
    Inventors: Volker RATHGEB, Karl-Heinz BÜHRLEN
  • Publication number: 20180257601
    Abstract: It is provided a method for manufacturing a gas bag module of a vehicle occupant restraint system. The method comprising the steps: providing a gas bag; prefolding the gas bag; pressing at least a portion of the prefolded gas bag under the influence of heat; and folding the pressed gas bag to a final dimension.
    Type: Application
    Filed: February 28, 2018
    Publication date: September 13, 2018
    Applicant: TAKATA AG
    Inventors: Thomas REICHENBECHER, Axel GRÜNER, Karl-Heinz BÜHRLEN
  • Patent number: 7661699
    Abstract: An airbag system for a motor vehicle including a gas bag having first and second chambers. The system includes an inflator and a arranged in the connecting portion so that gas is guided into both the first and second chambers. The system includes at least one protective layer extending from the mass flow divider into the first chamber. Upon inflation of the gasbag, an inner pressure in the first chamber is significantly higher than an inner pressure in the second chamber, and wherein the protective layer comprises a flexible material deformed by the inner pressure in the first chamber to prevent gas from flowing from the first chamber through the connecting portion into the second chamber.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: February 16, 2010
    Assignee: Takata-Petri AG
    Inventors: Karl-Heinz Bührlen, Reiner Söll, Martin Späth, Holger Rist