Patents by Inventor Ortwin Schaefer

Ortwin Schaefer 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).

  • Refrigeration furniture
    Patent number: D550481
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: September 11, 2007
    Assignee: Linde Kältetechnik GmbH & Co. KG
    Inventors: Harry Finkenauer, Ortwin Schäfer, Klaus Bähr
  • Twin-freezer
    Patent number: D600724
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: September 22, 2009
    Assignee: Carrier Corporation
    Inventors: Harry Finkenauer, Ortwin Schäfer, Stefanie Kohlisch
  • Exterior surface configuration of a cabinet
    Patent number: D419801
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: February 1, 2000
    Assignee: Linde Aktiengesellschaft
    Inventors: Harry Finkenauer, Ortwin Schaefer