Patents by Inventor Siegbert Winkler

Siegbert Winkler 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: 6524103
    Abstract: A cartridge for receiving and dispensing a paste has a cartridge body having a front end with a lateral outlet opening for dispensing the paste material. The cartridge body has a longitudinal center axis and the outlet opening has a central axis inclined forwardly relatively to the longitudinal center axis. The outlet opening has a width measured in the direction perpendicular to the longitudinal center axis and an axial length measured in the direction of the longitudinal center axis. The width and the length are different, and the width is preferably greater than the axial length.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: February 25, 2003
    Assignee: Ivoclar AG
    Inventors: Siegbert Winkler, Peter Kunkel, Franz Hohenegger
  • Patent number: 6161734
    Abstract: An apparatus for dispensing a viscous compound has a dispensing device and a sleeve having a first end detachably connected to the dispensing device. The dispensing device has a plunger and a rotary drive acting on the plunger for applying pressure onto the viscous compound contained in a container attached to the dispensing device for dispensing the viscous compound. The dispensing device has an actuator that couples the rotary drive to the plunger. When the sleeve is attached to the dispensing device, the actuator allows movement of the plunger in the dispensing direction of the dispensing device upon actuation of the rotary drive.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: December 19, 2000
    Assignee: Ivoclar AG
    Inventor: Siegbert Winkler
  • Patent number: 6047864
    Abstract: An actuating device for dispensing of a paste-like material, especially in the dental field, from a capsule or cartridge has an abutment for the support of the capsule or cartridge at the actuating device in the direction of dispensing. The abutment is provided at a collar-shaped projection and is a part of at least one securing tongue. The securing tongues are provided at the housing of the actuating device and can be released for releasing the capsule or cartridge.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: April 11, 2000
    Assignee: Lvoclar AG
    Inventor: Siegbert Winkler
  • Patent number: 5957638
    Abstract: Apparatus for the machining of bar material, profiles and the like comprises a rotation mechanism with a rotational drive. The rotation mechanism has a workpiece holder which holds the workpiece, and the said workpiece holder rotates about an axis parallel to the longitudinal axis of the workpiece.
    Type: Grant
    Filed: February 4, 1997
    Date of Patent: September 28, 1999
    Inventor: Siegbert Winkler