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MTW Manitowoc

GRANT
Utility
Lift crane with improved movable counterweight
28 Dec 21
A lift crane includes a carbody and movable ground engaging members mounted on the carbody.
David J. Pech, Joseph R. Rucinski, Joel D. Zick, Bronson E. Foust, Charles E. Wernecke
Filed: 10 Apr 20
GRANT
Utility
Crane with hoisting cable load-dependent load torque equalization
30 Nov 21
Bernd Backes, Frank C. Schnittker
Filed: 22 Dec 17
GRANT
Utility
Method for ascertaining the load capacity of a crane and crane
2 Nov 21
A method for ascertaining the load capacity of a functional element of a crane, the load capacity of a sub-assembly of a crane or the load capacity of a crane, wherein: a maximum bearing load is calculated for a specifically occurring configuration and/or specifically occurring state parameters and/or specifically occurring operating parameters on the basis of a predetermined formula; and the calculation is verified on the basis of stored bearing load values.
Christoph Edeler, Frank Richter, Frank C. Schnittker
Filed: 9 Mar 17
GRANT
Utility
Telescopic jib bracing device
2 Nov 21
A telescopic jib bracing unit for a mobile crane includes a holding frame which is embodied for fastening to the telescopic jib of the mobile crane and exhibits an open cross-section, the cross-sectional opening of which enables the jib to be retracted into the holding frame, and two bracing supports which are connected by the holding frame to form a structural unit.
Bernd Backes, Dieter Stuehrwoldt, Franz Bischof, Jann Reesing
Filed: 27 Jun 19
GRANT
Utility
Graphical working range diagrams for displaying allowable and projected loads
12 Oct 21
A working range diagram for a crane includes a boom model representing a current boom length and current lift angle.
John F. Benton, John R. Rudy
Filed: 28 Aug 18
GRANT
Utility
Optical detection and analysis of a counterweight assembly on a crane
28 Sep 21
An optical detection system for a crane having a counterweight assembly includes an image capture assembly having one or more image capture devices configured to capture an image of the counterweight assembly and an optical control system.
John R. Rudy, Matthew Thoresen
Filed: 21 Nov 17
GRANT
Utility
Optical detection and analysis for boom angles on a crane
21 Sep 21
A crane includes a carrier, a superstructure coupled to the carrier, the superstructure including a boom, and an optical detection system having an image capture assembly including one or more image capture devices configured to capture an image of one or more of the carrier and the superstructure, and an optical control system.
John R. Rudy, Matthew Thoresen
Filed: 21 Nov 17
GRANT
Utility
Telescoping boom with rotary extension and locking system
14 Sep 21
A telescoping boom includes a boom actuator having a fixed part and a movable part, the movable part configured to move along a length the fixed part, a rotary actuator operably connected to the movable part and configured to rotate relative to the movable part, a coupling pin connected to and configured to rotate with the rotary actuator, and a telescoping boom having a plurality of boom sections including a base section and one or more telescoping sections configured for telescoping movement along a longitudinal boom axis relative to the base section.
Stephen J. Schoonmaker
Filed: 3 Jun 19
GRANT
Utility
Wear pad with insert for telescoping boom assembly
7 Sep 21
A wear pad for a telescoping boom assembly includes a wear pad body having a first surface and a second surface oppositely positioned from the first surface and spaced from the first surface by a height of the wear pad body, a groove formed in one of the first surface and the second surface, the groove extending along a length of the wear pad body, and an insert positioned in the groove such that a portion of the insert projects outwardly from the groove.
Bradley Charles Calaman, John Fremont Benton
Filed: 27 Feb 18
GRANT
Utility
Electronically controlled hydraulic swing system
2 Feb 21
A hydraulic circuit for use on a construction machine includes a first valve, a second valve, and at least a third valve.
John F. Benton, Mark A. Harbold, Todd Snider, David R. Peiffer
Filed: 26 Jan 18
GRANT
Utility
Cylinder retention device
4 Jan 21
A system and method for retaining a linear actuator on a crane component such as a mast is disclosed.
Nathan P. Holly
Filed: 9 Apr 20
GRANT
Utility
Mobile lift crane with variable position counterweight
14 Dec 20
A mobile lift crane includes a carbody; a rotating bed; a boom; a moveable counterweight unit; at least one linear actuation device; and at least one arm pivotally connected at a first end to the rotating bed and at a second end to the linear actuation device.
David J. Pech, Kenneth J. Porubcansky
Filed: 19 May 19
GRANT
Utility
Measurement system
23 Nov 20
A measurement system includes a plurality of RFID tags, each RFID tag configured to output tag information, each RFID tag having a width and spaced from an adjacent RFID tag by a pitch, a single RFID reader configured to read the tag information from at least one RFID tag of the plurality of RFID tags and a plate having a window disposed between the RFID reader and the plurality of RFID tags, wherein the window is dimensioned to control a transmission range between the RFID tags and the RFID reader.
John R. Rudy
Filed: 26 Dec 18
GRANT
Utility
Optical detection system for lift crane
9 Nov 20
A crane includes a carrier, a superstructure mounted on the carrier and including a boom, a cable extending from the boom, a lifting appliance coupled to the cable, and an optical detection system.
John R. Rudy, Matthew Thoresen, Ingo Schiller
Filed: 20 Nov 17
GRANT
Utility
Outrigger pad assembly having a force sensor
2 Nov 20
An outrigger pad assembly includes a base having a bottom surface for engaging an underlying support surface and a top surface opposite to the bottom surface, a force sensor mounted to the base, and an interface body.
Stephen J. Schoonmaker
Filed: 28 Feb 19
GRANT
Utility
Crane 3D workspace spatial techniques for crane operation in proximity of obstacles
2 Nov 20
A method for controlling a crane component of a tower crane in proximity of obstacles at a worksite by defining a forbidden volume is disclosed.
Stephen J. Schoonmaker
Filed: 21 Feb 18
GRANT
Utility
Segmented shape-compliant wear pad for telescoping boom assembly
31 Aug 20
A construction vehicle includes a telescoping boom assembly that includes a first section and at least a second section configured to nest within and to extend from the first section.
Kurt W. Richter, John F. Benton, Jonathan M. Burkett, Donald C. Hade, Jr.
Filed: 25 Jul 16
GRANT
Utility
Optical detection and analysis of crane hoist and rope
20 Jul 20
A crane includes a carrier and a superstructure.
John R. Rudy, Matthew Thoresen
Filed: 20 Nov 17
GRANT
Utility
Bolting device
20 Jul 20
The invention relates to a bolting device having two bolts which are held rotationally secure and coupled to each other via a spindle element, wherein: a first bolt is connected via a threaded engagement to a corresponding thread of the spindle element; rotating the spindle element about its central longitudinal axis causes the first bolt to move along the longitudinal axis; and a second bolt is rotationally mounted on the spindle element in a fixed axial position.
Nils Ehrentraut, Arthur Haag
Filed: 23 Jan 18
GRANT
Utility
Adjustable length tensioning member
20 Jul 20
An adjustable length tensioning member that comprises a rope, a first connector on the rope, a second connector on the rope, and a plurality of connection points between the first connector and the second connector is disclosed.
Ian M. Moore, Derrick L. Geiser
Filed: 7 Nov 19
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