Patents by Inventor Martin G. Hartung

Martin G. Hartung 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).

  • Mixer for mixing a dental composition
    Patent number: 9498309
    Abstract: A mixer for mixing a dental composition comprises a mixer housing with a wall of the mixer housing forming a light filter. The light filter provides for substantially blocking light of certain wavelengths, whereas it transmits light of at least some other wavelengths. The invention may help to prevent dental compositions from degrading.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: November 22, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Andreas Johannes Boehm, Marc Peuker, Alexander Walter, Bruce R. Broyles, Joel D. Oxman, John W. Dubbe, Martin G. Hartung, Sebastian Guggenmos
  • MIXER FOR MIXING A DENTAL COMPOSITION
    Publication number: 20150297325
    Abstract: A mixer for mixing a dental composition comprises a mixer housing with a wall of the mixer housing forming a light filter. The light filter provides for substantially blocking light of certain wavelengths, whereas it transmits light of at least some other wavelengths. The invention may help to prevent dental compositions from degrading.
    Type: Application
    Filed: July 2, 2015
    Publication date: October 22, 2015
    Inventors: Andreas Johannes Boehm, Marc Peuker, Alexander Walter, Bruce R. Broyles, Joel D. Oxman, John W. Dubbe, Martin G. Hartung, Sebastian Guggenmos
  • Irradiation appliance
    Patent number: 8415647
    Abstract: The invention relates to a radiation device that includes a housing, a light-emitting unit and a light-absorbing unit which is provided with an inlet opening and a reflector element. The reflector element extends across the entire distance between the light-emitting unit and the inlet opening of the light-absorbing unit.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: April 9, 2013
    Assignee: 3M Innovative Properties Company
    Inventor: Martin G. Hartung
  • MIXER FOR MIXING A DENTAL COMPOSITION
    Publication number: 20110189059
    Abstract: A mixer for mixing a dental composition comprises a mixer housing with a wall of the mixer housing forming a light filter. The light filter provides for substantially blocking light of certain wavelengths, whereas it transmits light of at least some other wavelengths. The invention may help to prevent dental compositions from degrading.
    Type: Application
    Filed: May 14, 2009
    Publication date: August 4, 2011
    Inventors: Andreas Johannes Boehm, Marc Peuker, Alexander Walter, Bruce R. Broyles, Joel D. Oxman, John W. Dubbe, Martin G. Hartung, Sebastian Guggenmos
  • IRRADIATION APPLIANCE
    Publication number: 20110033816
    Abstract: The invention relates to a radiation device that includes a housing, a light-emitting unit and a light-absorbing unit which is provided with an inlet opening and a reflector element. The reflector element extends across the entire distance between the light-emitting unit and the inlet opening of the light-absorbing unit.
    Type: Application
    Filed: October 21, 2010
    Publication date: February 10, 2011
    Inventor: Martin G. Hartung
  • Prevention of electro-chemical corrosion at charging contacts of a battery-powered handpiece and its charger device
    Patent number: 7733056
    Abstract: The present invention relates to the prevention of electro-chemical corrosion at charging pins, especially of a battery-powered handpiece and its charging station.
    Type: Grant
    Filed: April 21, 2004
    Date of Patent: June 8, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Martin G. Hartung, Michael Keller
  • Prevention of electro-chemical corrosion at charging contacts of a battery-powered handpiece and its charger device
    Publication number: 20040257037
    Abstract: The present invention relates to the prevention of electro-chemical corrosion at charging pins, especially of a battery-powered handpiece and its charging station.
    Type: Application
    Filed: April 21, 2004
    Publication date: December 23, 2004
    Inventors: Martin G. Hartung, Michael Keller