Patents by Inventor Reinhard Prandl

Reinhard Prandl 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: 5549042
    Abstract: A domestic appliance (1) for making ice-cream is provided, comprising a motor (8), a stirring tool (12) drivable by the motor(8), and switching means (69) for starting a first mode of operation of the domestic appliance (1), in which mode the stirring tool (12) can be driven with a speed n (21 r.p.m.) within a speed range, the switching means (69) are adapted to start a further mode of operation of the domestic appliance, in which further mode the stirring tool (12) can be driven with at least one further speed (71 r.p.m.) within a further speed range, and wherein there has been provided a time control device (66) by means of which the drive of the stirring tool (12) with the further speed n (71 r.p.m.) can be limited to a given time interval (T).
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: August 27, 1996
    Assignee: U.S. Philips Corporation
    Inventors: Romuald L. Bukoschek, Reinhard Prandl, Martin Sonnek
  • Patent number: 5444989
    Abstract: The invention relates to a cold-storage cartridge comprising a housing (1,2) having an interior into which a cold-storage medium (4) is introduced and having a device for indicating the charging state of the cold-storage medium. A very simple arrangement for the indication of the fully charged state is obtained in that the indicator device comprises an indicator substance (13) whose melting temperature Ti is lower than the melting temperature Ts of the cold-storage medium (4), in that the indicator substance (13) is held in a container (10) which is in heat-conducting contact with the cold-storage medium (4), in that the container (10) comprises an optically transparent wall portion (8) and in that the indicator device is connected to the cold-storage cartridge in such a manner that the transparent wall portion (8) is visible from outside the cold-storage cartridge.
    Type: Grant
    Filed: May 17, 1994
    Date of Patent: August 29, 1995
    Assignee: U.S. Philips Corporation
    Inventors: Klaus Gawron, Reinhard Prandl