Patents by Inventor Frank Prüfer

Frank Prüfer 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).

  • Device and method for cutting textile and non-textile sheet materials
    Patent number: 8272341
    Abstract: A device for cutting textile and non-textile sheet materials with a sewing machine having a turning device (9) that can be mounted on the lower end of the needle bar (5). A cutting needle (23) is inserted from below into the turning device (9) instead of a sewing needle and can be brought into the desired cutting position, for example, by a fin (17) that projects from the turning device (9).
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: September 25, 2012
    Assignee: BERNINA International AG
    Inventors: Michael König, Markus Müller, Frank Prüfer
  • PLACEMENT DEVICE FOR PLACING DECORATIVE ELEMENTS ON A TEXTILE OR NON-TEXTILE SHEET MATERIAL
    Publication number: 20100313806
    Abstract: A placement device (3) for placing decorative elements (5) on a textile or non-textile sheet material is connected to a sewing machine. The decorative elements (5) are stored in an ordered way in magazines (7) and are fed in a controlled way by the control of the sewing machine to the appropriate set positions on the sheet material (39) and are connected to this material.
    Type: Application
    Filed: June 11, 2010
    Publication date: December 16, 2010
    Applicant: BERNINA INTERNATIONAL AG
    Inventors: Michael König, Frank Prüfer
  • EMBROIDERY HOOP
    Publication number: 20100313804
    Abstract: An embroidery hoop (1) for a sewing machine or embroidery machine having two hoop parts, namely the lower hoop part (3) and the upper hoop part (5). The two hoop parts (3, 5) are connected to each other by a hinge that can be released without the use of tools. The embroidery material is clamped between the inner hinge element (9) on the lower hoop part (3) and the outer hinge element (15) on the upper hoop part (5). Through this measure, an embroidery material can be embroidered at any position.
    Type: Application
    Filed: June 11, 2010
    Publication date: December 16, 2010
    Applicant: BERNINA INTERNATIONAL AG
    Inventors: Michael König, Frank Prüfer, Markus Müller
  • DEVICE AND METHOD FOR CUTTING TEXTILE AND NON-TEXTILE SHEET MATERIALS
    Publication number: 20100050915
    Abstract: A device for cutting textile and non-textile sheet materials with a sewing machine having a turning device (9) that can be mounted on the lower end of the needle bar (5). A cutting needle (23) is inserted from below into the turning device (9) instead of a sewing needle and can be brought into the desired cutting position, for example, by a fin (17) that projects from the turning device (9).
    Type: Application
    Filed: September 4, 2009
    Publication date: March 4, 2010
    Applicant: BERNINA INTERNATIONAL AG
    Inventors: Michael König, Markus Müller, Frank Prüfer
  • Thread spool holder for a plurality of needle thread spools
    Patent number: 7114455
    Abstract: In an upright (3) of a sewing machine (1), a thread spool holder (24) is mounted in a recess (13) so that it can pivot out of the recess (13). On this holder, thread spool pins (23) are placed, as well as an arm (35), on whose upper end thread guidance elements (33) are fixed. For use, the cover (15) which covers the thread spool holder (24) in the stowed state is opened, and the thread spool holder (24) is pivoted out from the recess (13).
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: October 3, 2006
    Assignee: Fritz Gegauf Aktiengesellschaft BERNINA-Nahmaschinenfabrik
    Inventors: Frank Prüfer, Michael König, André Stucki