Patents by Inventor Helmut Petrat

Helmut Petrat 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).

  • Publication number: 20150107171
    Abstract: A modular wall assembly includes a frame assembly that includes at least one vertical frame member and at least one horizontal frame member, wherein the frame assembly is configured to define a door opening, a door member slidably operable between a closed position, wherein the door member is at least partially located within the door opening, and an open position, wherein the door member is at least partially removed from with the door opening to allow ingress and egress through the door opening, and a support assembly that includes a sliding support member that slidably supports the door member between the open and closed positions, and at least one mounting arrangement coupling the sliding support member, wherein the at least one mounting arrangement allows vertical adjustment of the sliding support member with respect to the frame assembly.
    Type: Application
    Filed: January 2, 2015
    Publication date: April 23, 2015
    Inventors: Ralf Keller, Ryan Geister, Helmut Petrat, Theodore M. Haan, Andreas Borchhardt
  • Patent number: 8955271
    Abstract: A modular wall assembly includes a frame assembly that includes at least one vertical frame member and at least one horizontal frame member, wherein the frame assembly is configured to define a door opening, a door member slidably operable between a closed position, wherein the door member is at least partially located within the door opening, and an open position, wherein the door member is at least partially removed from with the door opening to allow ingress and egress through the door opening, and a support assembly that includes a sliding support member that slidably supports the door member between the open and closed positions, and at least one mounting arrangement coupling the sliding support member, wherein the at least one mounting arrangement allows vertical adjustment of the sliding support member with respect to the frame assembly.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: February 17, 2015
    Assignee: Steelcase Inc.
    Inventors: Ralf Keller, Ryan Geister, Helmut Petrat, Theodore M. Haan, Andreas Borchhardt
  • Publication number: 20140075853
    Abstract: A modular wall assembly includes a frame assembly that includes at least one vertical frame member and at least one horizontal frame member, wherein the frame assembly is configured to define a door opening, a door member slidably operable between a closed position, wherein the door member is at least partially located within the door opening, and an open position, wherein the door member is at least partially removed from with the door opening to allow ingress and egress through the door opening, and a support assembly that includes a sliding support member that slidably supports the door member between the open and closed positions, and at least one mounting arrangement coupling the sliding support member, wherein the at least one mounting arrangement allows vertical adjustment of the sliding support member with respect to the frame assembly.
    Type: Application
    Filed: September 17, 2013
    Publication date: March 20, 2014
    Applicant: Steelcase Inc.
    Inventors: Ralf Keller, Ryan Geister, Helmut Petrat, Theodore M. Haan, Andreas Borchhardt