Patents by Inventor Alf Jahn

Alf Jahn 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: 6874514
    Abstract: A cleaning liquid container for a cleaning device for cleaning objects for personal use, such as, the cutter head of a shaving apparatus. The cleaning liquid container includes an inlet, an outlet, and a filter element. In an interior of the cleaning liquid container, provision is made for a sedimentation line or flow path leading from the inlet to the outlet to allow solid particles to settle from the cleaning liquid.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: April 5, 2005
    Assignee: Braun GmbH
    Inventors: Jurgen Hoser, Alf Jahn
  • Patent number: 6698437
    Abstract: The invention is directed to a cleaning device (RV) for cleaning objects of personal use, in particular a shaving head (S) of a shaving apparatus (TR), with a housing (1) having a cleaning bath (8), with a cleaning liquid container (3) containing a cleaning liquid (11), with an integrated filter element (4) as well as with a liquid impelling assembly (6) adapted to be driven by a motor (5) and having a supply conduit (7) to the cleaning bath (8) and a draining conduit (9) to the cleaning liquid container (3), wherein all the walls of the cleaning bath (8) have an angle of inclination (&agr; and &bgr;) in the direction of the draining conduit (9) which ensures that cleaning liquid (11), with or without contaminants, flows to the draining conduit (9).
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: March 2, 2004
    Assignee: Braun GmbH
    Inventors: Jürgen Höser, Alf Jahn, Norbert Kreutz, Thomas Schamberg
  • Patent number: 6640819
    Abstract: The invention is directed to a cleaning device (RV) with a housing (1) and with a cleaning bath (8) for receiving an appliance of personal use, in particular a shaving head (S) of a shaving apparatus (R), with a replaceably arranged cleaning liquid container (3) having an inlet port (15) and an outlet port (18), a sealing element (51) for sealing the outlet port (18), a liquid impelling assembly (6) adapted to be driven by a motor (5) for propelling a cleaning liquid (11) from the cleaning liquid container (3) into the cleaning bath (8) whose draining conduit (9) is adapted to be coupled to an inlet port (15) of the cleaning liquid container (3), wherein provision is made for a sealing element (14) between the draining conduit (9) and the inlet port (15), and the flow cross section of the draining conduit (9) is dimensioned such as to enable the cleaning liquid (11) with contaminants to drain into the cleaning liquid container (3) and gaseous medium to escape from the cleaning liquid container (3).
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: November 4, 2003
    Assignee: Braun GmbH
    Inventors: Jürgen Höser, Alf Jahn
  • Publication number: 20020078984
    Abstract: The invention is directed to a cleaning device (RV) with a housing (1) and with a cleaning bath (8) for receiving an appliance of personal use, in particular a shaving head (S) of a shaving apparatus (R), with a replaceably arranged cleaning liquid container (3) having an inlet port (15) and an outlet port (18), a sealing element (51) for sealing the outlet port (18), a liquid impelling assembly (6) adapted to be driven by a motor (5) for propelling a cleaning liquid (11) from the cleaning liquid container (3) into the cleaning bath (8) whose draining conduit (9) is adapted to be coupled to an inlet port (15) of the cleaning liquid container (3), wherein provision is made for a sealing element (14) between the draining conduit (9) and the inlet port (15), and the flow cross section of the draining conduit (9) is dimensioned such as to enable the cleaning liquid (11) with contaminants to drain into the cleaning liquid container (3) and gaseous medium to escape from the cleaning liquid container (3).
    Type: Application
    Filed: February 1, 2002
    Publication date: June 27, 2002
    Inventors: Jurgen Hoser, Alf Jahn
  • Publication number: 20020069902
    Abstract: The invention is directed to a cleaning device (RV) for cleaning objects of personal use, in particular a shaving head (S) of a shaving apparatus (TR), with a housing (1) having a cleaning bath (8), with a cleaning liquid container (3) containing a cleaning liquid (11), with an integrated filter element (4) as well as with a liquid impelling assembly (6) adapted to be driven by a motor (5) and having a supply conduit (7) to the cleaning bath (8) and a draining conduit (9) to the cleaning liquid container (3), wherein all the walls of the cleaning bath (8) have an angle of inclination (&agr; and &bgr;) in the direction of the draining conduit (9) which ensures that cleaning liquid (11), with or without contaminants, flows to the draining conduit (9).
    Type: Application
    Filed: February 1, 2002
    Publication date: June 13, 2002
    Inventors: Jurgen Hoser, Alf Jahn, Norbert Kreutz, Thomas Schamberg