47 patents
Page 3 of 3
Utility
Crane function performance enhancement for non-symmetrical outrigger arrangements
8 Jun 20
A method for controlling a boom of a crane includes saving, in a memory, data representing a maximum horizontal working distance for a load on a hook of a boom, saving, in the memory, boom data representing the position of the boom, calculating a minimum vector between the position of the hook and the maximum horizontal working distance, and controlling, by the computing device, movement of the boom to prevent the vector from reaching a zero magnitude.
John F. Benton, Stephen J. Schoonmaker
Filed: 17 Aug 17
Utility
Cylinder retention device
18 May 20
A system and method for retaining a linear actuator on a crane component such as a mast is disclosed.
Nathan P. Holly
Filed: 12 Dec 18
Utility
Lift crane with improved movable counterweight
11 May 20
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: 27 Dec 18
Utility
System for Determining Crane Status Using Optical And/or Electromagnetic Sensors
6 May 20
A crane includes a lower works having one or more ground engaging elements, an upper works connected to the lower works, the upper works having a boom, and a system for determining a crane status.
Stephen J. Schoonmaker, Matthew T. Oswald, Melisa Lavery, Frank C. Schnittker, John R. Rudy, Jared Yorke
Filed: 5 Nov 19
Utility
Fast acting compressible stop
20 Apr 20
A compressible stop for use in a crane has a housing, a rod slidably mounted within the housing, a floating piston, and a valve assembly.
Stephen Anthony Vossen, Jonathan Michael Borlee, Joel David Zick, Timothy James Albinger
Filed: 25 Jun 19
Utility
Jib coupling system for jib stowage
16 Mar 20
A jib coupling system a stowage coupling assembly having a locking member movable between a retracted position and an extended position, an extension pivot coupling system having a coupling member movable between a retracted position and an extended position, and a cable having a first end operably connected to the locking member and a second end having a locking pin.
William Edward Hull
Filed: 25 Feb 18
Utility
Adjustable Length Tensioning Member
4 Mar 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