Patents Assigned to PEREG GmbH
  • Device and method for testing the efficiency of an ultrasonic cleaner
    Patent number: 7708836
    Abstract: A device and method that enables the reliable and reproducible testing of the cleaning efficiency of an ultrasonic cleaning device is disclosed.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: May 4, 2010
    Assignee: PEREG GmbH
    Inventor: Martin Pfeifer
  • Synthetic test soil
    Patent number: 6107097
    Abstract: The present invention provides methods and compositions relating to synthetic test stains comprising isolated fibrin and/or fibrin precursors and blood plasma proteins. Kits for the preparation of synthetic test stains containing an isolated fibrin precursor and an initiator for converting the fibrin precursor to fibrin are also provided. In addition, methods for checking the efficiency of cleaning processes, and kits for carrying out these methods are provided.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: August 22, 2000
    Assignee: Pereg GmbH
    Inventor: Martin Pfeifer
  • Clip
    Patent number: D621953
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: August 17, 2010
    Assignee: Pereg GmbH
    Inventor: Martin Peifer