Patents by Inventor Dieter Liebenthal

Dieter Liebenthal 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).

  • Diffuser for a hair dryer
    Patent number: 5488783
    Abstract: The invention is directed to a diffuser for a hair dryer comprising a diffuser body which is adapted to be secured to the nozzle of the hair dryer and includes a plurality of hair pickup elements (9, 10, 11) extending away from the diffuser body. At least one of the hair pickup elements (9, 10) is movably arranged on the diffuser body.
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: February 6, 1996
    Assignee: Braun Aktiengesellschaft
    Inventors: James W. Parkinson, Dieter Liebenthal
  • Electrical curling iron having a pair of interchangeably usable curling sections of different size and/or configuration
    Patent number: 4851641
    Abstract: An electric curling iron has a handle and unitary curling structure with first and second elongated generally aligned oppositely extending shell sections aligned oppositely extending shell section. Each section is provided with a separate PTC resistance heating element and the two shell sections have different diameters and/or different bristles and/or at least one hair clamping arm. The handle is adapted to be selectively slipped onto either of the two shell sections, whereby at the same time an electrical connection is established between the heating element in the other shell section and an electrical power supply on the handle.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: July 25, 1989
    Assignee: Braun Aktiengesellschaft
    Inventors: Karlheinz Barowski, Dieter Liebenthal