Patents by Inventor Walter Ullrich

Walter Ullrich 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).

  • Power charger and rechargeable battery system
    Publication number: 20050110462
    Abstract: A rechargeable battery including intelligent switching circuitry and sensing circuitry configured to sense an input voltage from a charger. Upon connection of the charger to the battery, the battery is configured to: (i) disconnect output from battery cells in the battery to an electronic device connected to the battery, (ii) power the electronic device directly via the input voltage from the charger, and (iii) connect the rechargeable battery cells to the input voltage from the charger.
    Type: Application
    Filed: October 14, 2004
    Publication date: May 26, 2005
    Inventors: Walter Ullrich, Austin Ekeinde, Ken Chisholm
  • Heating or air conditioning unit
    Patent number: 5853323
    Abstract: A heating or air conditioning unit for the interior of a motor vehicle including installation frames having louvers being inserted into a receptacle of the housing provided for that purpose. The installation frame has a profile on its frame sides so that the installation frame is held in a positive-locking manner in a receptacle of the housing. The profile has a wedge-shaped structure, thin ribs extending, running apart, along a frame side in the insertion direction.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: December 29, 1998
    Assignee: Behr GmbH & Co.
    Inventors: Oliver Beck, Ralf Berndt, Walter Denk, Hans Juergen Drobner, Manfred Fuchs, Gabriele Herbold, Ingo Putz, Reinhold Schork, Thomas Spranger, Walter Ullrich
  • Top, side and end surfaces of a battery
    Patent number: D376346
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: December 10, 1996
    Assignee: Multiplier Industries Corp.
    Inventor: Walter Ullrich