Patents by Inventor Karl-Heinz Schaefer

Karl-Heinz Schaefer 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).

  • Publication number: 20200398234
    Abstract: Aspects of the went disclosure are directed to a mixing device having at least one gas-carrying gas duct, at least one injection device for injecting a liquid and at least one first guiding element positioned downstream of the at least one injection device and projecting into a gas flow in the at least one gas-carrying gas duct. The at least one gas-carrying gas duct having at least one bulge of a duct wall directly downstream of the at least one first guiding element.
    Type: Application
    Filed: February 26, 2019
    Publication date: December 24, 2020
    Inventor: Karl-Heinz Schäfer
  • Patent number: 7632038
    Abstract: A road finisher F for producing a continuous sprayed carpet T of a bonding agent on a planum has a spraying system S on a vehicle having at least two spraying facilities 11, 11?, 14, 14? which are located offset to each other in the and laterally to the traveling motion direction R and a control device which operates the spraying facilities using a method such that during a traveling motion of the vehicle a sprayed carpet T is produced with front and rear boundaries V, H which are continuous over the width of the sprayed carpet and which are parallel to a respective reference line L which is placed on the planum in front of the spraying facility which is the frontmost in traveling motion direction. The sprayed carpet T is produced such that each spraying facility 11, 11?, 14, 14? first is activated or deactivated depending on the traveling motion with a predetermined distance from the or when reaching the respective reference line L.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: December 15, 2009
    Assignee: Joseph Voegele AG
    Inventors: Martin Buschmann, Karl-Heinz Schaefer, Arthur Braun, Guenter Zegowitz
  • Publication number: 20080124173
    Abstract: A road finisher F for producing a continuous sprayed carpet T of a bonding agent on a planum has a spraying system S on a vehicle having at least two spraying facilities 11, 11?, 14, 14? which are located offset to each other in the and laterally to the traveling motion direction R and a control device which operates the spraying facilities using a method such that during a traveling motion of the vehicle a sprayed carpet T is produced with front and rear boundaries V, H which are continuous over the width of the sprayed carpet and which are parallel to a respective reference line L which is placed on the planum in front of the spraying facility which is the frontmost in traveling motion direction. The sprayed carpet T is produced such that each spraying facility 11, 11?, 14, 14? first is activated or deactivated depending on the traveling motion with a predetermined distance from the or when reaching the respective reference line L.
    Type: Application
    Filed: October 26, 2007
    Publication date: May 29, 2008
    Applicant: Joseph Voegele AG
    Inventors: Martin Buschmann, Karl-Heinz Schaefer, Arthur Braun, Guenter Zegowitz