Patents by Inventor David Magnusen

David Magnusen 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).

  • Suspended translating platform
    Patent number: 12134903
    Abstract: An external platform that translates such that planking and structural members of the platform remain level and maintain a constant working surface area at the beginning, during, and end of the translation movement.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: November 5, 2024
    Assignee: PERI Formwork Systems, Inc.
    Inventors: David Magnusen, Mark D Henning
  • Support waler and method of striking formwork
    Patent number: 12031340
    Abstract: A formwork assembly including a plurality of formwork elements defining a concrete-receiving space, at least one of the plurality of formwork elements comprising a first panel, at least one support waler configured to receive at least one vertical fixation element and comprising a second panel, a horizontal fixation element configured to engage with the first panel and the second panel such that rotation of the horizontal fixation element allows for the at least one vertical fixation element to be freely removed from the at least one support waler after curing of concrete in the concrete-receiving space.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: July 9, 2024
    Assignee: PERI Formwork Systems, Inc.
    Inventors: David Magnusen, Brad Keown
  • Suspended translating platform
    Patent number: 11408188
    Abstract: An external platform that translates such that planking and structural members of the platform remain level and maintain a constant working surface area at the beginning, during, and end of the translation movement.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: August 9, 2022
    Assignee: PERI Formwork Systems, Inc.
    Inventors: David Magnusen, Mark D. Henning
  • Climbing support subsystem
    Patent number: 11248382
    Abstract: A climbing support subsystem usable with a self-climbing system for multi-sided cores having three walls or an otherwise non-rectangular or non-square building core.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: February 15, 2022
    Assignee: Peri AG
    Inventors: David Magnusen, Klaus Wyld, Willi Scheel, Peter Kraemer