Patents by Inventor Robert Hesser

Robert Hesser 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).

  • Means for auxiliary manual operation
    Patent number: 6966337
    Abstract: Auxiliary manual operation on a bistable multiway valve is achieved with a valve member able to be reciprocated with the performance of a switching movement and furthermore operating device extending athwart the direction of the switching movement. There is a provision such that the operating device includes at least two mutually parallel plungers, which on operation act on second different flanks of the valve member, operation of one plunger locking the respectively other plunger.
    Type: Grant
    Filed: October 27, 2003
    Date of Patent: November 22, 2005
    Assignee: Festo AG & Co.
    Inventors: Robert Hesser, Bernhard Walter
  • Means for auxiliary manual operation
    Publication number: 20040099830
    Abstract: A means for auxiliary manual operation on a bistable multiway valve comprising a valve member able to be reciprocated with the performance of a switching movement and furthermore operating device extending athwart the direction of the switching movement.
    Type: Application
    Filed: October 27, 2003
    Publication date: May 27, 2004
    Applicant: FESTO AG & Co.
    Inventors: Robert Hesser, Bernhard Walter