Patents by Inventor Holger Watzelt

Holger Watzelt 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).

  • Apparatus for prewashing comminuted plastic parts
    Patent number: 9486811
    Abstract: An apparatus for prewashing comminuted plastic parts and for separating heavy materials or mineral constituents such as sand, silt, etc.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: November 8, 2016
    Assignee: Herbold Meckesheim GmbH
    Inventors: Heiko Weber, Holger Watzelt
  • APPARATUS FOR PREWASHING COMMINUTED PLASTIC PARTS
    Publication number: 20150114887
    Abstract: An apparatus for prewashing comminuted plastic parts and for separating heavy materials or mineral constituents such as sand, silt, etc.
    Type: Application
    Filed: October 10, 2012
    Publication date: April 30, 2015
    Inventors: Heiko Weber, Holger Watzelt
  • Device for comminuting all types of parts
    Patent number: 7793872
    Abstract: The invention relates to a device for comminuting all types of parts, in particular plastics, preferably hollow plastic bodies, such as for example plastic bottles. The device comprises a feeding device, and a comminuting unit, the feeding device having at least one transport unit and the comminuting unit having a rotor, which is provided with tools and rotates in a housing. The device is characterized in that the transport unit transports the parts at an angle of between 45° and 90° to the rotor axis, at least in the region lying directly in front of the rotor.
    Type: Grant
    Filed: January 8, 2007
    Date of Patent: September 14, 2010
    Assignee: Herold Meckesheim GmbH
    Inventors: Holger Watzelt, Karlheinz Herbold
  • DEVICE FOR COMMINUTING ALL TYPES OF PARTS
    Publication number: 20090050724
    Abstract: The invention relates to a device for comminuting all types of parts, in particular plastics, preferably hollow plastic bodies, such as for example plastic bottles. The device comprises a feeding device, and a comminuting unit, the feeding device having at least one transport unit and the comminuting unit having a rotor, which is provided with tools and rotates in a housing. The device is characterised in that the transport unit transports the parts at an angle of between 45° and 90° to the rotor axis, at least in the region lying directly in front of the rotor.
    Type: Application
    Filed: January 8, 2007
    Publication date: February 26, 2009
    Applicant: Herbold Meckesheim GmbH
    Inventors: Holger Watzelt, Karlheinz Herbold
  • Disc mill
    Publication number: 20070181723
    Abstract: The invention relates to a disc mill having two substantially parallel grinding discs (2, 3) that are configured as annular discs having a center passage (4) and that have opposite working surfaces (9, 10). These working surfaces are spaced apart from each other, thereby forming a working chamber (11) in the area of the passage (4), and converge outwards, thereby tapering the working chamber, and rotate in relation to each other. The inventive disc mill is characterized in that the working surfaces (9, 10), in an outer edge section (12), are configured in parallel and with an at least slight distance to each other.
    Type: Application
    Filed: December 13, 2004
    Publication date: August 9, 2007
    Inventors: Karlheinz Herbold, Holger Watzelt