Patents by Inventor Lutz Stallgies

Lutz Stallgies 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).

  • Attachment screed unit for a road paver and road paver having such an attachment screed unit
    Patent number: 10208435
    Abstract: The present invention relates to an attachment screed unit for a road paver, comprising a connecting screed, at least one adjusting screed which is adjustably mounted on the connecting screed and which is adjustable between a retracted position (P1) and an extended position (P2), as a result of which the paving width (b4) of the attachment screed unit can be set in a variable manner, and a hydraulic adjusting device, which is arranged in such a manner that it can adjust the at least one adjusting screed between the retracted position (P1) and the extended position (P2), the adjusting device comprising an electro-hydraulic unit which is arranged on the attachment screed unit (10), and the electric hydraulic unit comprising a separate hydraulic circuit with at least one hydraulic pump and an actuator. The present invention further relates to a road paver with such an attachment screed unit.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: February 19, 2019
    Assignee: BOMAG GmbH
    Inventors: Lutz Stallgies, Jens Wagner, Thomas Zahr
  • Attachment Screed Unit For A Road Paver And Road Paver Having Such An Attachment Screed Unit
    Publication number: 20150337505
    Abstract: The present invention relates to an attachment screed unit for a road paver, comprising a connecting screed, at least one adjusting screed which is adjustably mounted on the connecting screed and which is adjustable between a retracted position (P1) and an extended position (P2), as a result of which the paving width (b4) of the attachment screed unit can be set in a variable manner, and a hydraulic adjusting device, which is arranged in such a manner that it can adjust the at least one adjusting screed between the retracted position (P1) and the extended position (P2), the adjusting device comprising an electro-hydraulic unit which is arranged on the attachment screed unit (10), and the electric hydraulic unit comprising a separate hydraulic circuit with at least one hydraulic pump and an actuator. The present invention further relates to a road paver with such an attachment screed unit.
    Type: Application
    Filed: May 20, 2015
    Publication date: November 26, 2015
    Inventors: Lutz Stallgies, Jens Wagner, Thomas Zahr