Patents by Inventor Hansjoerg Spitschan

Hansjoerg Spitschan 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 mixing and extruding viscous materials and gearbox for dispensing the same
    Patent number: 8424718
    Abstract: The present invention relates to a method of mixing and dispensing viscous materials, comprising the steps of: inserting a cartridge containing one or more viscous materials in a chamber; activating a first motor (1) to move a plunger from a first position to a second position within the cartridge and activating a second motor (2) to move the plunger from the second position further within the cartridge to dispense the material.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: April 23, 2013
    Assignee: 3M Deutschland GmbH
    Inventors: Ingo W. Wagner, Manfred Harre, Hansjoerg Spitschan
  • METHOD OF MIXING AND EXTRUDING VISCOUS MATERIALS AND GEARBOX FOR DISPENSING THE SAME
    Publication number: 20110095048
    Abstract: The present invention relates to a method of mixing and dispensing viscous materials, comprising the steps of: inserting a cartridge containing one or more viscous materials in a chamber; activating a first motor (1) to move a plunger from a first position to a second position within the cartridge and activating a second motor (2) to move the plunger from the second position further within the cartridge to dispense the material.
    Type: Application
    Filed: December 23, 2010
    Publication date: April 28, 2011
    Inventors: Ingo W. Wagner, Manfred Harre, Hansjoerg Spitschan
  • Method of Mixing and Extruding Viscous Materials and Gearbox for Dispensing the Same
    Publication number: 20090001096
    Abstract: The present invention relates to a method of mixing and dispensing viscous materials, comprising the steps of: inserting a cartridge containing one or more viscous materials in a chamber; activating a first motor (1) to move a plunger from a first position to a second position within the cartridge and activating a second motor (2) to move the plunger from the second position further within the cartridge to dispense the material.
    Type: Application
    Filed: November 8, 2005
    Publication date: January 1, 2009
    Applicant: 3M ESPE AG
    Inventors: Ingo W. Wagner, Manfred Harre, Hansjoerg Spitschan