Patents by Inventor Thomas Puttfarken

Thomas Puttfarken 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).

  • Tempering device for laboratory vessels
    Patent number: 6616897
    Abstract: A tempering device for laboratory vessels and having a liquid-tight housing formed, at least partially, of a plastic dyed with a heat sensitive dye and filled, at least partially, with a tempering medium, and further having depressions extending into the housing.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: September 9, 2003
    Assignee: Eppendorf AG
    Inventors: Werner Lurz, Thomas Puttfarken, Klaus Schürbrock