Patents by Inventor Karl Hodler

Karl Hodler 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).

  • Timing device for pneumatic signals
    Patent number: 4167199
    Abstract: This invention relates to timing devices for pneumatic signals, of the kind comprising a pneumatic motor having gearing which is brought into coupled engagement with a timer when an input signal occurs so that a control member associated with the timer, which can be set for a desired delay between the input signal and an output signal, is moved from an initial position which determines the length of delay to a terminal position which marks the end of the delay and at which the output signal is produced.
    Type: Grant
    Filed: January 25, 1978
    Date of Patent: September 11, 1979
    Assignee: H. Kuhnke Elektrotechnik GmbH
    Inventor: Karl Hodler
  • Timing device for pneumatic control systems
    Patent number: 3931832
    Abstract: This invention relates to pneumatic control systems, particularly to a timing device for the same, wherein a control device is maintained at a constant speed by means of a balance wheel or flywheel, whose kinetic energy furnishes a pneumatic signal and which mechanically shifts a valve to pass on the pneumatic signal. The shifting of the valve is adjustable.
    Type: Grant
    Filed: June 27, 1974
    Date of Patent: January 13, 1976
    Inventors: Karl Hodler, Erich Walter