Patents by Inventor Wolfgang Heinz Adolf Kirchner

Wolfgang Heinz Adolf Kirchner 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).

  • Pressure regulator assembly and bypass assembly for a self-contained breathing apparatus
    Patent number: 11497945
    Abstract: A pressure regulator assembly for an SCBA includes a valve assembly having a piston, a cylinder for receiving the piston, a sealing member for engagement by the piston, a conduit extending through the piston and facilitating fluid communication between an inlet chamber and a cavity of the cylinder, and a driving assembly for facilitating the engagement and disengagement of the piston responsive to a change of pressure in the outlet chamber. A bypass assembly for an SCBA is also disclosed.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: November 15, 2022
    Assignee: MSA (Suzhou) Safety Equipment R&D Co., Ltd.
    Inventors: Longteng Yu, Lida Zhu, Carsten Christian Leuschner, Wolfgang Heinz Adolf Kirchner
  • PRESSURE REGULATOR ASSEMBLY AND BYPASS ASSEMBLY FOR A SELF-CONTAINED BREATHING APPARATUS
    Publication number: 20220203140
    Abstract: A pressure regulator assembly for an SCBA includes a valve assembly having a piston, a cylinder for receiving the piston, a sealing member for engagement by the piston, a conduit extending through the piston and facilitating fluid communication between an inlet chamber and a cavity of the cylinder, and a driving assembly for facilitating the engagement and disengagement of the piston responsive to a change of pressure in the outlet chamber. A bypass assembly for an SCBA is also disclosed.
    Type: Application
    Filed: March 17, 2022
    Publication date: June 30, 2022
    Inventors: Longteng Yu, Lida Zhu, Carsten Christian Leuschner, Wolfgang Heinz Adolf Kirchner
  • Pressure regulator assembly and bypass assembly for a self-contained breathing apparatus
    Patent number: 11298571
    Abstract: A pressure regulator assembly for an SCBA includes a valve assembly having a piston, a cylinder for receiving the piston, a sealing member for engagement by the piston, a conduit extending through the piston and facilitating fluid communication between an inlet chamber and a cavity of the cylinder, and a driving assembly for facilitating the engagement and disengagement of the piston responsive to a change of pressure in the outlet chamber. A bypass assembly for an SCBA is also disclosed.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: April 12, 2022
    Assignee: MSA (Suzhou) Safety Equipment R&D Co., Ltd.
    Inventors: Longteng Yu, Lida Zhu, Carsten Christian Leuschner, Wolfgang Heinz Adolf Kirchner
  • Pressure Regulator Assembly and Bypass Assembly for a Self-Contained Breathing Apparatus
    Publication number: 20180200545
    Abstract: A pressure regulator assembly for an SCBA including a valve assembly having a piston, a cylinder configured to receive the piston, a sealing member configured for engagement by the piston, a conduit extending through the piston and facilitating fluid communication between an inlet chamber and a cavity of the cylinder, and a driving assembly configured to facilitate the engagement and disengagement of the piston responsive to a change of pressure in the outlet chamber. A bypass assembly for an SCBA is also disclosed.
    Type: Application
    Filed: July 6, 2016
    Publication date: July 19, 2018
    Inventors: Longteng Yu, Lida Zhu, Carsten Christian Leuschner, Wolfgang Heinz Adolf Kirchner