Patents by Inventor Bernd Wager

Bernd Wager 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: 11242670
    Abstract: The present disclosure relates to a work machine, in particular to a hydraulic excavator, having at least one ballast device, wherein the ballast device comprises at least one ballast weight and at least one ballast support. The present disclosure is furthermore directed to a ballast weight for a corresponding work machine.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: February 8, 2022
    Assignee: LIEBHERR-HYDRAULIKBAGGER GMBH
    Inventors: Bernd Wager, Dirk Asam
  • Publication number: 20210147197
    Abstract: The invention relates to a working machine, in particular material handling machine, comprising a boom and a boom bracing to be actuated by means of an actuator, characterized in that the actuator is operatively connected to the boom bracing by means of a first lever rotatably articulated to the turntable in order to introduce the required tensile force into the bracing.
    Type: Application
    Filed: November 4, 2020
    Publication date: May 20, 2021
    Inventors: Sebastian Rauh, Tobias Riedmiller, Sebastian Stanger, Bernd Wager, Constantin Wegmann
  • Publication number: 20180163370
    Abstract: The present disclosure relates to a work machine, in particular to a hydraulic excavator, having at least one ballast device, wherein the ballast device comprises at least one ballast weight and at least one ballast support. The present disclosure is furthermore directed to a ballast weight for a corresponding work machine.
    Type: Application
    Filed: December 8, 2017
    Publication date: June 14, 2018
    Inventors: Bernd WAGER, Dirk ASAM
  • Patent number: 9279230
    Abstract: The present disclosure relates to an implement with a boom, wherein the boom is pivotally mounted about a horizontal axis via a bolt connection on a basic unit of the implement, with the bearing of the boom on the basic unit being effected via three bearing plates with corresponding bearing points for the bolt connection.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: March 8, 2016
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Bernd Wager, Stefan Schott
  • 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: 8418451
    Abstract: The present invention relates to a piece of working equipment, in particular to an excavator or to a machine for the transfer of material, having an element movable via at least one working hydraulic cylinder, wherein at least one energy recovery hydraulic cylinder is provided for the recovery of energy from the movement of the movable element. In accordance with the invention, the energy recovery hydraulic cylinder is filled with gas at the bottom side and has a hollow piston rod.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: April 16, 2013
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Sebastian Stanger, Bernd Wager, Dirk Asam, Hans-Peter Lavergne
  • 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
  • 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: 20100018195
    Abstract: The present invention relates to a piece of working equipment, in particular to an excavator or to a machine for the transfer of material, having an element movable via at least one working hydraulic cylinder, wherein at least one energy recovery hydraulic cylinder is provided for the recovery of energy from the movement of the movable element. In accordance with the invention, the energy recovery hydraulic cylinder is filled with gas at the bottom side and has a hollow piston rod.
    Type: Application
    Filed: July 24, 2009
    Publication date: January 28, 2010
    Applicant: Liebherr-Hydraulikbagger GmBH
    Inventors: Sebastian Stanger, Bernd Wager, Dirk Asam, Hans-Peter Lavergne
  • Publication number: 20090250971
    Abstract: The present invention relates to a material handling machine with a material handling boom and a cabin boom, wherein the cabin boom comprises first and second arms, which are pivotally connected with each other via a connecting element, and a first actuator for moving the first arm. In accordance with the invention, the actuator is pivotally mounted on the connecting element via a pivot point, which is disposed below the pivot point(s) of the first arm.
    Type: Application
    Filed: February 21, 2008
    Publication date: October 8, 2009
    Inventors: Jan Breitenfeldt, Reinhard Remiger, 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
  • Patent number: 7357163
    Abstract: This invention relates to a digging or gripping tool with at least one cutting edge, wherein rollers are disposed along the outer edge of the cutting edge in accordance with the invention.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: April 15, 2008
    Assignee: Liebherr- Hydraulikbagger GmbH
    Inventor: Bernd Wager
  • Patent number: 7344175
    Abstract: A multi-scoop grab, having at least one grab scoop (10) with at least one prong, wherein at least one wear element (16, 18, 20) is arranged at the at least one grab scoop (10) such that the main wear regions are covered by the at least one wear element (16, 18, 20) (FIG. 1 ).
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: March 18, 2008
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Rolf Mieger, Dirk Asam, Bernd Wager
  • Patent number: 7163112
    Abstract: The invention concerns a material transloading equipment unit with an undercarriage and a turntable connected with this undercarriage by means of a track ring, on which an arm that can be pivoted by means of at least one hoisting cylinder is pivot-mounted. According to the invention, on the one hand at least one additional pivot point for the arm is provided on the turntable and/or on the boom foot, and at least one additional pivot point is provided in the arm or in a pivot plate on the arm. This allows a number of possible combinations for the kinematics of the arm.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: January 16, 2007
    Assignee: Liebherr-Hydraulikbagger GmbH
    Inventors: Bernd Lehnen, Bernd Wager
  • Publication number: 20060182594
    Abstract: The invention relates to a transfer apparatus comprising an operator cabin articulated at a movable and travelable boom. In accordance with the invention, the operator cabin is arranged in a suspended manner at the free end of the boom.
    Type: Application
    Filed: July 28, 2005
    Publication date: August 17, 2006
    Inventors: Bernd Wager, Werner Seifried, Thomas Zitterbart
  • 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
  • Publication number: 20060048851
    Abstract: This invention relates to a digging or gripping tool with at least one cutting edge, wherein rollers are disposed along the outer edge of the cutting edge in accordance with the invention.
    Type: Application
    Filed: September 2, 2005
    Publication date: March 9, 2006
    Inventor: Bernd Wager
  • Publication number: 20060021263
    Abstract: The invention relates to a mobile excavator comprising a travel unit having at least two axles. In accordance with the invention, at least one bogie is fastened to the mobile excavator in a coupling manner.
    Type: Application
    Filed: July 19, 2005
    Publication date: February 2, 2006
    Inventors: Oliver Autenrieth, Werner Seifried, Bernd Wager, Thomas Zitterbart, Bernd Wager