Patents by Inventor Wendell V. Arndt

Wendell V. Arndt 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).

  • Cast lingual sheath and insert for Ni-Ti orthodontic appliances
    Patent number: 5538422
    Abstract: An orthodontic expansion arch and sheath and sheath insert are provided for use in applying maxillary and mandibular lingual orthodontic appliances for expansion of the arches. The sheath permits use of appliances employing multiple wires composed of non-weldable metal alloys in a more convenient manner and in a greater variety of appliances.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: July 23, 1996
    Assignee: Victor Company, L.L.C.
    Inventor: Wendell V. Arndt
  • Ni-Ti orthodontic palatal expansion arch with cast lingual sheath and insert
    Patent number: 5399087
    Abstract: An orthodontic expansion arch and sheath and sheath insert are provided for use in applying maxillary and mandibular lingual orthodontic appliances for expansion of the arches. The sheath permits use of appliances employing multiple wires composed of non-weldable metal alloys in a more convenient manner and in a greater variety of appliances.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: March 21, 1995
    Inventor: Wendell V. Arndt
  • Ni-ti orthodontic palatal expansion arch
    Patent number: 5167499
    Abstract: A removable orthodontic palatal expansion arch having a generally "M"-shaped configuration, the arch having a center segment composed of a near-stoichiometric alloy of nickel and titanium which possesses memory-retaining characteristics to simultaneously expand the bicuspids and expand, rotate, intrude and/or torque the maxillary molars, and end segments composed of an alloy of stainless steel or another biocompatible material configured for securing the archwire to lingual sheaths attached to molar bands.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: December 1, 1992
    Inventors: Wendell V. Arndt, Carl J. Berendt
  • Ni-Ti orthodontic palatal expansion arch and method of imparting forces on teeth
    Patent number: RE35170
    Abstract: A removable orthodontic palatal expansion arch having a generally "M"-shaped configuration, the arch having a center segment composed of a near-stoichiometric alloy of nickel and titanium which possesses memory-retaining characteristics to simultaneously expand the bicuspids and expand, rotate, intrude and/or torque the maxillary molars, and end segments composed of an alloy of stainless steel or another biocompatible material configured for securing the archwire to lingual sheaths attached to molar bands.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: March 5, 1996
    Inventors: Wendell V. Arndt, Carl J. Berendt