Patents by Inventor Gunter R. J. Kullik

Gunter R. J. Kullik 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: 4399585
    Abstract: A vacuum cleaner with constant air flow for household and industrial purposes. The vacuum cleaner includes a suction fan driven by an electric motor. An air flow measuring device is arranged in the working air flow of the suction fan, and has an electrical output signal proportional to the air flow. This electrical output signal is conveyed to a regulating and control circuit which adjusts the working air flow to a predetermined value as a function of the output signal.
    Type: Grant
    Filed: September 7, 1981
    Date of Patent: August 23, 1983
    Assignee: Progress-Elektrogerate Mauz & Pfeiffer GmbH & Co.
    Inventors: Gunter R. J. Kullik, Werner Durr, Robert Maier
  • Patent number: 4370776
    Abstract: A vacuum cleaner, for household and industrial purposes, including a suction fan, driven by an electric motor, for generating a working air flow, and an electrical converter, in the form of a generator driven by the working air flow, for detecting the strength of the working air flow, the output of the generator being connected with a regulating and control circuit.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: February 1, 1983
    Assignee: Progress-Elektrogerate Mauz & Pfeiffer GmbH & Co.
    Inventor: Gunter R. J. Kullik