Patents by Inventor Helmut Menzel

Helmut Menzel 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: 4181838
    Abstract: An improved actuating mechanism is provided for a power switch that includes a "tripped" position intermediate an "on" position and "off" position. The mechanism includes an auxiliary switch and improved cam operating means for operating the switch.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: January 1, 1980
    Assignee: Hundt & Weber Schalgerate GmbH
    Inventors: Johannes Neuser, Helmut Menzel
  • Patent number: 4151385
    Abstract: An improved switch operating mechanism comprises a rotary type lever for operating a toggle switch lever or slide switch lever with improved means for coupling the levers.
    Type: Grant
    Filed: April 13, 1978
    Date of Patent: April 24, 1979
    Assignee: Hundt and Weber, Schaltgerate GmbH
    Inventors: Johannes Neuser, Helmut Menzel