Patents by Inventor Heinz Kötting

Heinz Kötting 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: 10208436
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swiveling axis parallel to the axis of the milling drum.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: February 19, 2019
    Assignee: Wirtgen GmbH
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Publication number: 20180073206
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Application
    Filed: April 28, 2017
    Publication date: March 15, 2018
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Publication number: 20170130420
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Application
    Filed: January 19, 2017
    Publication date: May 11, 2017
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Patent number: 9644340
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: May 9, 2017
    Assignee: Wirtgen GmbH
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Patent number: 9551118
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: January 24, 2017
    Assignee: Wirtgen GmbH
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Publication number: 20150091364
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Application
    Filed: November 25, 2014
    Publication date: April 2, 2015
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Patent number: 8899690
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: December 2, 2014
    Assignee: Wirtgen GmbH
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Patent number: 8376469
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Grant
    Filed: December 29, 2011
    Date of Patent: February 19, 2013
    Assignee: Wirtgen GmbH
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Publication number: 20120170978
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum.
    Type: Application
    Filed: December 29, 2011
    Publication date: July 5, 2012
    Applicant: WIRTGEN GMBH
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn
  • Patent number: 8100480
    Abstract: A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum, that the scraper blade, when in operating position, is engaged with lateral retaining devices at the lateral walls, which retain the scraper blade in a position running essentially orthogonally to the ground surface, that a swivelling device is capable of swivelling the scraper blade about the swivelling axis when the scraper blade is disengaged from the lateral retaining devices, and that the swivelling
    Type: Grant
    Filed: August 13, 2008
    Date of Patent: January 24, 2012
    Assignee: Wirtgen GmbH
    Inventors: Heinz Kötting, Herbert Ley, Günter Hähn