Patents by Inventor Frank Thumer

Frank Thumer 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).

  • Method of measuring the tensile stressing of a moving web
    Patent number: 7895907
    Abstract: In a method for measuring the tensile stress of a running web, force sensors (7) are connected in the form of a Wheatstone bridge (11). An amplifier (18) amplifies a diagonal voltage (17) of the Wheatstone bridge (11). In order to be able to detect whether at least one of the force sensors (7) is defective, the Wheatstone bridge (11) can be loaded using at least one resistor (26) by means of at least one switch (24, 25). Comparing the measured values, with loading, with the measured values, without loading, determines whether the force sensors (7) of the Wheatstone bridge (11) are functional. Otherwise, an active error signal (28) is output.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: March 1, 2011
    Assignee: Texmag GmbH Vertriebsgesellschaft
    Inventors: Frank Thumer, Hans-Richard Seibold, Rudolf Werber, Tobias Hain
  • Method of Measuring the Tensile Stressing of a Moving Web
    Publication number: 20090288500
    Abstract: In a method for measuring the tensile stress of a running web, force sensors (7) are connected in the form of a Wheatstone bridge (11). An amplifier (18) amplifies a diagonal voltage (17) of the Wheatstone bridge (11). In order to be able to detect whether at least one of the force sensors (7) is defective, the Wheatstone bridge (11) can be loaded using at least one resistor (26) by means of at least one switch (24, 25). Comparing the measured values, with loading, with the measured values, without loading, determines whether the force sensors (7) of the Wheatstone bridge (11) are functional. Otherwise, an active error signal (28) is output.
    Type: Application
    Filed: December 14, 2007
    Publication date: November 26, 2009
    Inventors: Frank Thumer, Hans-Richard Seibold, Rudolf Werber, Tobias Hain