Patents by Inventor Roland Wachter

Roland Wachter 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: 20180105099
    Abstract: The invention relates to a LED light module (M) for a lighting device for vehicles, which LED light module has at least one LED branch having at least one LED (LED1 . . . LEDn), wherein at least one component (RR) for identifying a bin class is arranged on the module, and the module is designed for operation with a total current (IG), and an analog controller (3, T2) for branching off a partial current (IB) is connected in parallel with the LED branch (Z) carrying a partial current (ID) of the total current (IG), wherein a signal (US) corresponding to the total current (IG) is fed to the analog controller as a reference variable and a signal (UR) proportional to one of the partial currents (IB, ID) and provided by the component (RR) for identifying the bin class is fed to the analog controller as a control variable.
    Type: Application
    Filed: May 30, 2016
    Publication date: April 19, 2018
    Inventors: Emanuel WEBER, Roland WACHTER
  • Patent number: 8578638
    Abstract: The present invention relates to a work machine, in particular to an excavator, having a boom, an extension element and a piece of working equipment, wherein the extension element is attached to a pivotal connection axle of the boom via a first gimbal mounting and bears the piece of working equipment, wherein the piece of working equipment is attached to a pivotal connection axle of the extension element via a second gimbal mounting.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: November 12, 2013
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Daniel Härter, Roland Wachter, Bernd Wager, Thomas Zitterbart
  • Patent number: 8177017
    Abstract: The present invention relates to a traveling working machine, in particular an excavator, with an undercarriage on which the traveling gear is arranged, and an uppercarriage rotatably arranged on the undercarriage about a vertical axis of rotation. In accordance with the invention, the load-bearing steel construction of the uppercarriage is composed of at least one first and one second element, which are connected with each other via bolts and/or screws.
    Type: Grant
    Filed: October 15, 2009
    Date of Patent: May 15, 2012
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Dirk Asam, Robert Foehr, Roland Wachter, Bernd Wager
  • Publication number: 20110150617
    Abstract: The present invention relates to a work machine, in particular to an excavator, having a boom, an extension element and a piece of working equipment, wherein the extension element is attached to a pivotal connection axle of the boom via a first gimbal mounting and bears the piece of working equipment, wherein the piece of working equipment is attached to a pivotal connection axle of the extension element via a second gimbal mounting.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 23, 2011
    Applicant: Liebherr-Hydraulikbagger GmbH
    Inventors: Daniel Härter, Roland Wachter, Bernd Wager, Thomas Zitterbart
  • Patent number: 7703812
    Abstract: The invention relates to a quick coupling comprising a base plate and a support plate, with the mounting frame being guided movably at the base plate and having means for connection to the support plate. In accordance with the invention, the support plate is moved toward the base plate by means of the mounting frame to close the coupling.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: April 27, 2010
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Dirk Asam, Roland Wachter, Christian Walter
  • Publication number: 20100096211
    Abstract: The present invention relates to a traveling working machine, in particular an excavator, with an undercarriage on which the traveling gear is arranged, and an uppercarriage rotatably arranged on the undercarriage about a vertical axis of rotation. In accordance with the invention, the load-bearing steel construction of the uppercarriage is composed of at least one first and one second element, which are connected with each other via bolts and/or screws.
    Type: Application
    Filed: October 15, 2009
    Publication date: April 22, 2010
    Applicant: LIEBHERR-HYDRAULIKBAGGER GMBH
    Inventors: Dirk Asam, Robert Foehr, Roland Wachter, Bernd Wager
  • Publication number: 20090071139
    Abstract: The invention relates to an excavator or to a machine for material transfer comprising an element movable via at least one hydraulic cylinder. In accordance with the invention, one or more hydraulic cylinders are additionally hinged to the element, with the additional hydraulic cylinder(s) being connected to one or more hydraulic accumulators.
    Type: Application
    Filed: September 2, 2008
    Publication date: March 19, 2009
    Inventors: Dirk Asam, Rolf Mieger, Roland Wachter, Bernd Wager
  • Patent number: 7434391
    Abstract: The invention relates to an excavator or to a machine for material transfer comprising an element movable via at least one hydraulic cylinder. In accordance with the invention, one or more hydraulic cylinders are additionally hinged to the element, with the additional hydraulic cylinder(s) being connected to one or more hydraulic accumulators.
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: October 14, 2008
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Dirk Asam, Rolf Mieger, Roland Wachter, Bernd Wager
  • Publication number: 20080036199
    Abstract: The invention relates to a quick coupling comprising a base plate and a support plate, with the mounting frame being guided movably at the base plate and having means for connection to the support plate. In accordance with the invention, the support plate is moved toward the base plate by means of the mounting frame to close the coupling.
    Type: Application
    Filed: March 30, 2007
    Publication date: February 14, 2008
    Inventors: Dirk Asam, Roland Wachter, Christian Walter
  • Publication number: 20060053666
    Abstract: The invention relates to an excavator or to a machine for material transfer comprising an element movable via at least one hydraulic cylinder. In accordance with the invention, one or more hydraulic cylinders are additionally hinged to the element, with the additional hydraulic cylinder(s) being connected to one or more hydraulic accumulators.
    Type: Application
    Filed: July 6, 2005
    Publication date: March 16, 2006
    Inventors: Dirk Asam, Rolf Mieger, Roland Wachter, Bernd Wager