Patents by Inventor Friedrich Wimmer

Friedrich Wimmer 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: 5195566
    Abstract: A self-closing cap for the filler neck of liquid containers, comprising a closure ring having an annular seal, said ring being attachable to said filler neck and having an orifice for receiving a nozzle that discharges a pressurized stream of liquid into the container, and of a spring-biased closure flap swivel-mounted on said closure ring and provided with a seal, wherein the improvement is the provision of a gasket around the orifice for preventing atomized liquid from said nozzle from being back-blown out of the orifice and onto the hand of the person handling the nozzle.
    Type: Grant
    Filed: May 1, 1991
    Date of Patent: March 23, 1993
    Assignee: Mecrom Ott & Holey OHG
    Inventors: Siegfried Ott, Friedrich Wimmer
  • Patent number: 4986439
    Abstract: A self-closing cap for the filler neck of liquid containers, consisting of a closure ring having an annular seal, said ring being attachable to said filler neck, and of a spring-biased closure flap swivel-mounted on said closure ring and provided with a seal, wherein said closure flap is swivel-mounted with two bearing arms to a shaft supported by a bearing block inserted in a recess on the housing ring and wherein a locking spring seated on said shaft of said bearing block biases said closure flap, with one on end of said spring engaging said closure flap or a bearing arm and the other end engaging said bearing block.
    Type: Grant
    Filed: November 21, 1989
    Date of Patent: January 22, 1991
    Inventors: Siegfried Ott, Friedrich Wimmer