Patents by Inventor Kurt Egon Ekdahl

Kurt Egon Ekdahl 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: 3994207
    Abstract: A spring brake actuator has a fluid actuated piston coupled to the brake applying piston rod through a manually disconnectable conveying mechanism which enables the piston rod to return alone and which thereafter returns automatically to a position for conveying the piston rod in response to the piston movement.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: November 30, 1976
    Assignee: Svenska Aktiebolaget Bromsregulator
    Inventors: Kurt Egon Ekdahl, Nils Borje Lennart Sander