Patents by Inventor Friedrich-Wilhelm Rohlcke

Friedrich-Wilhelm Rohlcke 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).

  • Patent number: 6394800
    Abstract: The invention proposes a novel device for processing orders for supplying orthodontic bands having orthodontic functional parts fitted as specified in the orders, comprising: a computer unit having a memory for managing basic data for the unequipped orthodontic bands, basic data for the functional parts that are to be welded on, and data for the bands equipped with one or more functional parts specifically as well as graphics data sets allocated to the unequipped and equipped bands and to the functional parts; an input device for inputting the data for an order for a band having a functional part fitted as specified in the order or functional parts fitted as specified in the order; and a printer unit for printing out an order acknowledgement and for printing labels with order data and a graphical representation of the band equipped as specified in the order.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: May 28, 2002
    Assignee: Dentaurum J. P. Winkelstroeter KG
    Inventors: Friedrich-Wilhelm Röhlcke, Hans-Peter Schorpp, Karl-Heinz Griesbeck
  • Patent number: 5472344
    Abstract: Expansion screw for tooth adjustment having two expansion screw body members each embeddable in a plastic palate plate, these body members being provided with retention grooves for anchoring in the plastic of these palate plates, also having a threaded spindle and two guide pins, wherein the threaded spindle has spindle sections with opposite threads on either side of a central section, these spindle sections engaging in corresponding threaded bores of the expansion screw body members, and wherein the latter have guide openings for the passage of the guide pins extending parallel to the threaded spindle.
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: December 5, 1995
    Assignee: Dentaurum J.P. Winkelstroeter KG
    Inventors: Friedrich Binder, Horst Kalytta, Manfred Rapp, Friedrich-Wilhelm Rohlcke, Berthold Walter
  • Patent number: 5326259
    Abstract: In order to so improve a metallic orthodontic aid having an optically visible marking area that the marking is easy to apply and is also visible up to a definable number of recycling process cycles, it is proposed that the marking area be a surface of an additionally produced layer with a remelt structure.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: July 5, 1994
    Assignee: Dentaurum J.P. Winkelstroeter KG
    Inventors: Friedrich-Wilhelm Rohlcke, Friedrich Sernetz
  • Patent number: 5238402
    Abstract: In order to so improve a metallic orthodontic aid having an optically visible marking area that the marking is easy to apply and is also visible up to a definable number of recycling process cycles, it is proposed that the marking area be a surface of an additionally produced layer with a remelt structure.
    Type: Grant
    Filed: April 13, 1989
    Date of Patent: August 24, 1993
    Assignee: Dentaurum J. P. Winkelstroeter KG
    Inventors: Friedrich-Wilhelm Rohlcke, Friedrich Sernetz
  • Patent number: 5040975
    Abstract: An improved method is proposed for releasing brackets from bonded joints whereby also ceramic brackets can be removed. Herein, the layer of bonding agent is subjected to pulse-shaped heat input by transfer of heat from an instrument to the bracket, with a safety device allowing only a suitable amount of heat for the respective type of bracket to be transferred.
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: August 20, 1991
    Assignee: Dentaurum J. P. Winkelstroeter KG
    Inventors: Karl-Heiner Ettwein, Friedrich-Wilhelm Rohlcke, Heinz Bauerle, Karl-Heinz Reichelt, Bernhard Bazner
  • Patent number: 4279593
    Abstract: An orthodontic wire support identification member for attachment to an orthodontic wire support having an attachment base incorporating a body in which at least one wire accomodating channel is provided, in which said identification member is releasably attached to the body for removal after the wire support is mounted on a tooth so that the member facilitates identification of different types of wire supporting brackets, the identification member being constructed to cover the channel when in position on said body.
    Type: Grant
    Filed: January 23, 1980
    Date of Patent: July 21, 1981
    Inventor: Friedrich-Wilhelm Rohlcke