Patents by Inventor Dirk Müller-Paul

Dirk Müller-Paul 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: 8714409
    Abstract: A dispensing cartridge, particularly for dental impression materials, comprises a locking member for locking a tip to the dispensing cartridge and/or to a container accommodated in the dispensing cartridge. The locking member has a first end and a second end, and is pivotally connectable with the dispensing cartridge at the first end. The second end of the locking member is adapted for releasable locking engagement with the tip. Furthermore, the locking member comprises a first portion that provides a grasping feature for the user for manipulating the dispensing cartridge at the locking member.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: May 6, 2014
    Assignee: 3M Innovative Properties Company
    Inventor: Dirk Müller-Paul
  • Patent number: 8684229
    Abstract: The present invention is preferably directed to a dispenser of the type sold by 3M ESPE under the trade name Pentamix and as also described above. Such a dispenser preferably comprises at least a first and a second compartment for a first reservoir and a second reservoir, respectively, the first and the second reservoirs containing a first and a second component for the dental material, respectively. It further preferably comprises a first and a second plunger driven by a first drive for advancing the first and the second components from the first and the second reservoirs, respectively. Moreover, a dynamic mixer driven by a second drive for automatically mixing the first and second components to form the dental material from the first and second components is provided. Such a dispenser further preferably has a dispensing portion or mixing tip for dispensing the mixed dental material.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: April 1, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Manfred Harre, Dirk Müller-Paul, Michael Keller, Ingo W. Wagner
  • Patent number: 8579497
    Abstract: A device for mixing and dispensing dental materials is provided, comprising a drive shaft for driving a mixer. The mixer is placeable on the drive shaft in a first and a second position, wherein in the first position a guiding section of the drive shaft is mated with an engagement section of the mixer, but an engagement section of the drive shaft is not engaged with the engagement section of the mixer, and in the second position the engagement section of the drive shaft is also engaged with the engagement section of the mixer.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: November 12, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Manfred Harre, Dirk Müller-Paul
  • Publication number: 20120097702
    Abstract: The present invention is preferably directed to a dispenser of the type sold by 3M ESPE under the trade name Pentamix and as also described above. Such a dispenser preferably comprises at least a first and a second compartment for a first reservoir and a second reservoir, respectively, the first and the second reservoirs containing a first and a second component for the dental material, respectively. It further preferably comprises a first and a second plunger driven by a first drive for advancing the first and the second components from the first and the second reservoirs, respectively. Moreover, a dynamic mixer driven by a second drive for automatically mixing the first and second components to form the dental material from the first and second components is provided. Such a dispenser further preferably has a dispensing portion or mixing tip for dispensing the mixed dental material.
    Type: Application
    Filed: March 8, 2007
    Publication date: April 26, 2012
    Inventors: Manfred Harre, Dirk Müller-Paul, Michael Keller, Ingo W. Wagner
  • Publication number: 20100089949
    Abstract: A dispensing device (1), for example for dental impression material, comprises a chamber (2, 3) for containing material to be dispensed. The chamber has a dispensing outlet (6) which is so configured that a removable nozzle (7) can be secured thereto to dispense material from the chamber. A locking member (8) is pivotally-movable relative to the chamber into an engaged position (FIG. 2) in which the nozzle is secured to the dispensing outlet by the locking member and the locking member is retained in the engaged position by the nozzle.
    Type: Application
    Filed: April 16, 2008
    Publication date: April 15, 2010
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jens Gramann, Sebastian Guggenmos, Ingo W. Wagner, Dirk Müller-Paul
  • Publication number: 20090279382
    Abstract: A device for mixing and dispensing dental materials is provided, comprising a drive shaft for driving a mixer. The mixer is placeable on the drive shaft in a first and a second position, wherein in the first position a guiding section of the drive shaft is mated with an engagement section of the mixer, but an engagement section of the drive shaft is not engaged with the engagement section of the mixer, and in the second position the engagement section of the drive shaft is also engaged with the engagement section of the mixer.
    Type: Application
    Filed: March 8, 2007
    Publication date: November 12, 2009
    Inventors: Manfred Harre, Dirk Müller-Paul
  • Publication number: 20080173673
    Abstract: Dispensing cartridge, particularly for dental impression materials, the dispensing cartridge comprising: at least one compartment; and a locking assembly for releasably locking a tip with at least one of the compartments; the locking assembly comprising: a first movable member comprising a first end; a second movable member comprising a first end and a second end, where the second end of the second movable member is adapted to releasably lock the tip.
    Type: Application
    Filed: June 2, 2005
    Publication date: July 24, 2008
    Applicant: 3M ESPE AG
    Inventor: Dirk Müller-Paul