Patents by Inventor Anna Zimmermann

Anna Zimmermann 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 making a dental restoration
    Patent number: 11253436
    Abstract: A method of making a monolithic dental restoration. The method includes the steps of providing a monolithic precursor of a dental restoration and firing the monolithic dental restoration precursor to provide the monolithic dental restoration. The zirconia material of both the dental restoration precursor as well as the dental restoration has a relative density of greater than 98% of the theoretic density of the zirconia material. The invention helps providing a color of a non-glazed dental restoration which resembles the color of a glazed dental restoration.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: February 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Andreas Herrmann, Michael Jahns, Rainer K. Dittmann, Grit Kindler, Dajana Maria Anna Zimmermann
  • A METHOD OF MAKING A DENTAL RESTORATION
    Publication number: 20190117521
    Abstract: A method of making a monolithic dental restoration. The method includes the steps of providing a monolithic precursor of a dental restoration and firing the monolithic dental restoration precursor to provide the monolithic dental restoration. The zirconia material of both the dental restoration precursor as well as the dental restoration has a relative density of greater than 98% of the theoretic density of the zirconia material. The invention helps providing a color of a non-glazed dental restoration which resembles the color of a glazed dental restoration.
    Type: Application
    Filed: April 24, 2017
    Publication date: April 25, 2019
    Inventors: Andreas Herrmann, Michael Jahns, Rainer K. Dittmann, Grit Kindler, Dajana Maria Anna Zimmermann
  • Treat dispenser as reward and training aid
    Patent number: 9801354
    Abstract: An apparatus for the portion wise dispensing of animal feed as reward or training aid and methods of use. An exemplary apparatus including an oblong handle, with a rear opening for inserting rod shaped animal feed, a front opening for leaving out, dispensing, or exposing the animal feed, a transport mechanism which comprises a first drive wheel and a second drive wheel which serves as a counter wheel, wherein the animal feed can be transported by rotating the first drive wheel forward as well as backward, and laterally arranged spring elements that prevent animal feed from falling from the apparatus.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: October 31, 2017
    Inventor: Anna Zimmermann
  • TREAT DISPENSER AS REWARD AND TRAINING AID
    Publication number: 20160066537
    Abstract: An apparatus for the portion wise dispensing of animal feed as reward or training aid and methods of use. An exemplary apparatus including an oblong handle, with a rear opening for inserting rod shaped animal feed, a front opening for leaving out, dispensing, or exposing the animal feed, a transport mechanism which comprises a first drive wheel and a second drive wheel which serves as a counter wheel, wherein the animal feed can be transported by rotating the first drive wheel forward as well as backward, and laterally arranged spring elements that prevent animal feed from falling from the apparatus.
    Type: Application
    Filed: August 27, 2015
    Publication date: March 10, 2016
    Inventor: Anna Zimmermann