| Patents for B66C 23 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes (16,687) |
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| 05/15/2013 | CN102367158B Method for determining tower crane roll-over critical state base on rigidity of tower body |
| 05/15/2013 | CN102219158B Method and device for preventing collision in tower crane cluster operation |
| 05/15/2013 | CN102180411B Pillar lifting rotary arm crane |
| 05/15/2013 | CN102145860B In-jib chain transmission jib crane |
| 05/15/2013 | CN101607677B Telescopic crane gib arm |
| 05/14/2013 | US8438713 Pin changing device and method |
| 05/14/2013 | CA2514722C Tool holder with hydraulic coupling means |
| 05/10/2013 | WO2013065879A1 Apparatus for fixing the counterweight of a construction machine |
| 05/10/2013 | WO2013063998A1 Rollover prevention method and system for crane |
| 05/10/2013 | WO2013063993A1 Method, controller, and device for measuring work parameters of crane boom, and crane |
| 05/09/2013 | US20130112642 Lift Crane with Moveable Counterweight |
| 05/08/2013 | EP2589565A1 Mobile lift crane with variable position counterweight |
| 05/08/2013 | EP2589564A1 Mobile lift crane with variable position counterweight |
| 05/08/2013 | EP2589563A1 Mobile lift crane with variable position counterweight |
| 05/08/2013 | EP2588279A1 Robotic device for assisting handling having a variable force increase ratio |
| 05/08/2013 | CN202927336U Multi-channel center revolving joint and wheel crane |
| 05/08/2013 | CN202926794U Hinge pin component and tower crane employing same |
| 05/08/2013 | CN202926195U Counterweight climbing structure and counterweight comprising same |
| 05/08/2013 | CN202924654U Hoisting mechanism |
| 05/08/2013 | CN202924641U Lower rotating mechanism of crane for sea farming |
| 05/08/2013 | CN202924640U Detachable inner package type supporting leg for hoisting machinery |
| 05/08/2013 | CN202924639U Space-saving vertical support oil cylinder foot |
| 05/08/2013 | CN202924638U Movable arm tower crane and A-shaped frame thereof |
| 05/08/2013 | CN202924637U Crane and supporting leg device thereof |
| 05/08/2013 | CN202924636U Multi-purpose crane |
| 05/08/2013 | CN202924635U Tower crane jib and tower crane comprising same |
| 05/08/2013 | CN202924634U Pull rod protecting rack device, crane boom comprising same, and tower crane |
| 05/08/2013 | CN202924633U Cargo boom pull rod and tower crane comprising cargo boom pull rod |
| 05/08/2013 | CN202924632U Tower crane |
| 05/08/2013 | CN202924631U Connection structure and tower crane with same |
| 05/08/2013 | CN202924630U Tower crane and standard knot thereof |
| 05/08/2013 | CN202924629U Luffing jib tower crane and suspended platform thereof |
| 05/08/2013 | CN202924628U Tower crane and underframe leveling device thereof |
| 05/08/2013 | CN202924627U Pin roll dismantling support device of tower crane |
| 05/08/2013 | CN202924626U Pin roll auxiliary installing device of tower crane |
| 05/08/2013 | CN202924625U Movable bar device of upper support external ladder stand of tower crane and ladder stand |
| 05/08/2013 | CN202924624U Large-diameter pipeline lifting device of roof of steel-making plant |
| 05/08/2013 | CN202924623U Downhole rail-variable hydraulic crane |
| 05/08/2013 | CN202924622U Rotating crane |
| 05/08/2013 | CN202924621U Movable cantilever crane for rapidly replacing motor |
| 05/08/2013 | CN202924612U Linear hoisting device for truck-mounted knuckle boom crane |
| 05/08/2013 | CN202924611U One-key unfolding/folding device of articulating arm type crane |
| 05/08/2013 | CN103097279A A machine, controller, and control method |
| 05/08/2013 | CN103086290A Nylon slide block of arm crane |
| 05/08/2013 | CN103086289A Support oil cylinder extension speed control method, and device, system and crane thereof |
| 05/08/2013 | CN103086288A Support structure of vehicle frame and engineering facility |
| 05/08/2013 | CN103086287A Modular combined-type tower crane attached bar with extensive stepless adjustment-type length |
| 05/08/2013 | CN103086286A Crane equipped with travelable counterweight unit |
| 05/08/2013 | CN103086285A Tipping prevention device, engineering machinery and tipping prevention method |
| 05/08/2013 | CN103086284A Self-steering telescopic arm device |
| 05/08/2013 | CN103086283A Cargo boom and tower crane with same |
| 05/08/2013 | CN103086282A Intelligent early warning outside climbing system for heavy construction crane |
| 05/08/2013 | CN103086281A Tower type crane and cab thereof |
| 05/08/2013 | CN103086280A Automatic retractable sail |
| 05/08/2013 | CN103086279A Vertical transportation construction method for building construction |
| 05/08/2013 | CN102424333B Crane and rear tipping-proof protection device for cantilever of crane |
| 05/08/2013 | CN101863424B Slewing stop control apparatus and slewing stop control method |
| 05/08/2013 | CN101717050B Multifunctional hanging and lifting conjointed arm |
| 05/07/2013 | US8434787 Counterweight attachment and removal system and machine using same |
| 05/07/2013 | US8434737 Crane with a freely positionable oil pump handle |
| 05/07/2013 | DE202013003782U1 Sensorbasierte Überwachung von Windrichtung und Wärmeeinstrahlung für ein mobiles Arbeitsgerät Sensor-based monitoring of wind direction and heat radiation for a mobile device |
| 05/07/2013 | CA2669445C Crane-luffing cylinder bearing with a spherical calotte |
| 05/02/2013 | WO2013060124A1 Boom device and concrete pump truck |
| 05/02/2013 | WO2013060121A1 Movable counterweight apparatus for crawler crane and crane comprising same |
| 05/02/2013 | US20130105429 Crane equipped with travelable counterweight unit |
| 05/02/2013 | DE102012219857A1 Kran mit fahrbarer Gegengewichtseinheit Crane with a movable counterweight unit |
| 05/01/2013 | EP2585712A1 Lifting device and method for positioning of an unwieldy object |
| 05/01/2013 | EP2585399A1 Method for load torque limitation of a working vehicle comprising a jib |
| 05/01/2013 | EP2585398A1 Vehicle for transporting ballast weights |
| 05/01/2013 | CN202914810U Confluence multi-way valve and crane hydraulic system |
| 05/01/2013 | CN202912632U Multifunctional automobile |
| 05/01/2013 | CN202912602U Safety prewarning device for crane operation |
| 05/01/2013 | CN202912601U Device for preventing impermissible persons from climbing tower crane |
| 05/01/2013 | CN202912600U Anti-breaking device for steel wire ropes of hoisting boom |
| 05/01/2013 | CN202912599U Automatic back-tilting preventing device for caterpillar crane |
| 05/01/2013 | CN202912598U Gas-electricity-liquid integrated center slewing mechanism |
| 05/01/2013 | CN202912597U Full circle swinging arm hoisting machine |
| 05/01/2013 | CN202912596U Automatic counterweight adjusting system of tower crane |
| 05/01/2013 | CN202912595U Double-suspension arm balance crane of crane |
| 05/01/2013 | CN202912594U Tower crane |
| 05/01/2013 | CN202912593U Split type jacking sleeve bracket of tower crane |
| 05/01/2013 | CN202912592U Pitching transmission system of shoreside cargo boom |
| 05/01/2013 | CN202912591U 塔机控制室 Tower control room |
| 05/01/2013 | CN202912590U Constant-tension pressure compensation control system |
| 05/01/2013 | CN202912589U Detachable lifting device for railway shared flat car |
| 05/01/2013 | CN202912588U Workpiece lifting mechanical device, namely lifting mechanical arm |
| 05/01/2013 | CN202912587U Collection device for producing wellhead accessories |
| 05/01/2013 | CN202912586U Slewing crane for nuclear power plant |
| 05/01/2013 | CN202912585U Labor-saving bagging lever |
| 05/01/2013 | CN103072907A Rotary table of truck mounted crane rotary table |
| 05/01/2013 | CN103072906A Connecting device of inner climbing type tower crane and building structure and construction method utilizing same |
| 05/01/2013 | CN103072905A Variable-multiplying power conversion rope winding system based on load trolley |
| 05/01/2013 | CN103072904A Self-stabilization double-rocker arm lifting device for installing high-rise tower |
| 05/01/2013 | CN103072903A Method for mounting high-rise pylon by using self-stable double-rocker elevating device |
| 05/01/2013 | CN103072902A Double-crossbeam quayside container crane |
| 05/01/2013 | CN103072898A Tower crane and driver cab thereof |
| 05/01/2013 | CN103072895A Real-time measuring method and device for lateral perpendicularity of tower crane steel structure |
| 05/01/2013 | CN102311056B Crane supporting leg supporting device and crane using same |
| 05/01/2013 | CN102295237B 起重机 Crane |
| 04/30/2013 | US8430621 Control of a boom construction and a tool articulated thereto |