Patents by Inventor Jan Kleffmann

Jan Kleffmann 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).

  • Service unit
    Patent number: D522615
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: June 6, 2006
    Assignee: Festo AG & Co.
    Inventors: Jan Kleffmann, Karoline Schmidt
  • Valve arrangement
    Patent number: D458985
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: June 18, 2002
    Assignee: Festo AG & Co.
    Inventor: Jan Kleffmann
  • Working cylinder
    Patent number: D480405
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: October 7, 2003
    Assignee: Festo AG & Co.
    Inventors: Jan Kleffmann, Steffen Sailer
  • Pressure sensor
    Patent number: D480654
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: October 14, 2003
    Assignee: Festo AG & Co.
    Inventor: Jan Kleffmann
  • Lubricator unit
    Patent number: D400211
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: October 27, 1998
    Assignee: Festo AG & Co.
    Inventors: Axel Thallemer, Jan Kleffmann
  • Bowl guard
    Patent number: D400240
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: October 27, 1998
    Assignee: Festo AG & Co.
    Inventors: Axel Thallemer, Jan Kleffmann
  • Filter regulator unit
    Patent number: D402023
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: December 1, 1998
    Assignee: Festo AG & Co.
    Inventors: Axel Thallemer, Jan Kleffmann