Patents by Inventor Rainer Herter

Rainer Herter 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).

  • Screw-type extruding machine comprising mixing and kneading disks
    Publication number: 20050041521
    Abstract: A screw-type extruding machine comprises at least two casing bores with screw shafts disposed therein, on which several successive mixing and kneading disks are mounted, interengaging in pairs. Successive mixing and kneading disks make an angle of crest misalignment which is not integrally contained in 360°.
    Type: Application
    Filed: August 19, 2004
    Publication date: February 24, 2005
    Inventor: Rainer Herter
  • Gear pump having bearings with cooling ducts
    Patent number: 6761546
    Abstract: A gear pump comprises a casing and gear rotors disposed therein. The gear rotors are lodged in bearing sections of plain bearings that are lubricated by the pumping medium. They have at least one cooling duct which is embodied such that cooling varies along the circumference and/or in the longitudinal direction and/or in the radial direction of the plain bearing.
    Type: Grant
    Filed: December 9, 2002
    Date of Patent: July 13, 2004
    Assignee: Coperion Werner & Pfleiderer GmbH & Co. KG
    Inventors: Edgar R. Schlipf, Peter Heidemeyer, Rainer Herter
  • Gear Pump
    Publication number: 20030147765
    Abstract: A gear pump comprises a casing (1) and gear rotors (2, 3) disposed therein. The gear rotors (2, 3) are lodged in bearing sections (15 to 18) of plain bearings (11 to 14) that are lubricated by the pumping medium. They have at least one cooling duct (39) which is embodied such that cooling varies along the circumference and/or in the longitudinal direction and/or in the radial direction of the plain bearing (11 to 14).
    Type: Application
    Filed: December 9, 2002
    Publication date: August 7, 2003
    Inventors: Edgar R Schlipf, Peter Heidemeyer, Rainer Herter
  • Method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense
    Patent number: 6042260
    Abstract: In a method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense such as twin-screw and multi-shaft screw-type extruders, the extruder is operated at a screw speed of rotation of at least 800 rpm, accompanied with a simultaneous increase of the so-called "torque density" (M.sub.d /a.sup.3) of at least 11 Nm/cm.sup.3 and a volumetric ratio (Da/Di) of at least 1.5.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: March 28, 2000
    Assignee: Krupp Werner & Pfleiderer GmbH
    Inventors: Peter Heidemeyer, Erwin Haring, Rainer Munz, Rainer Herter, Ulrich Burkhardt
  • Mixing apparatus
    Patent number: 5143699
    Abstract: Apparatus for processing materials within a bore is disclosed to provide separation of the bore-defining elements without any relative movement between surfaces which are in engagement. Such lack of relevant movement precludes generation of frictional forces which may have catastrophic results where materials being processed are volatile or unstable such as explosives.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: September 1, 1992
    Assignee: Werner & Pfleiderer Corp.
    Inventor: Rainer Herter