| Patents for B66C 1 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles (18,448) |
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| 11/24/1981 | US4302041 Sheet retainer for a sheet transporter |
| 11/24/1981 | CA1113075A1 Hanging device for bar materials |
| 11/17/1981 | CA1112684A2 Hoisting coupling for concrete slabs |
| 11/10/1981 | CA1112028A1 Load hook |
| 11/03/1981 | US4298225 Rail handling tongs |
| 10/29/1981 | WO1981003013A1 Telescopic container spreader |
| 10/27/1981 | US4296531 Strap fastening means |
| 10/21/1981 | EP0038037A2 Gripping device for pipes |
| 10/20/1981 | US4295677 Self-dumping hoisting bucket assembly |
| 10/13/1981 | US4294479 Safety lifting hooks |
| 10/07/1981 | EP0036988A1 Lift fixture |
| 10/06/1981 | US4293156 Hook |
| 10/06/1981 | US4293155 Log handling and transport system |
| 10/06/1981 | CA1110340A1 Lifting magnets |
| 10/01/1981 | WO1981002727A1 Locking device assembly at a lifting beam particularly for lifting containers |
| 10/01/1981 | WO1981002722A1 Lift fixture |
| 10/01/1981 | WO1981002692A1 Device for gripping,lifting,transporting and depositing centrifugation drums |
| 09/30/1981 | EP0036641A1 Apparatus for taking up, lifting, conveying and disposing of centrifuge drums |
| 09/29/1981 | CA1109689A1 Arrangement for transporting prefabricated concrete components |
| 09/22/1981 | US4290731 Apparatus for picking up overturned vehicles |
| 09/22/1981 | US4290638 Apparatus for releasable connection to an embedded member |
| 09/16/1981 | EP0035541A1 Conduit grappling anchor |
| 09/15/1981 | CA1108826A1 Handling hook asssembly |
| 09/09/1981 | EP0035159A2 Gripper for slab-shaped concrete elements |
| 09/01/1981 | US4286914 Means and method for connecting large pipe |
| 09/01/1981 | US4286817 Hoisting accessory |
| 09/01/1981 | US4286722 Container loading crane with rotatable hoisting frame |
| 08/25/1981 | US4285538 Flue lining installation tool |
| 08/25/1981 | US4285537 Sealed cell lift tool |
| 08/25/1981 | CA1107788A1 Log choker hood |
| 08/20/1981 | WO1981002289A1 Lifting means for goods |
| 08/11/1981 | CA1106733A1 Pressure control mechanism for a grapple skidder |
| 08/06/1981 | WO1981002151A1 Sling or mat composed of loops |
| 08/04/1981 | US4281868 Rail threading device |
| 07/29/1981 | EP0032866A1 Method and device for transport and storage of glass sheet stacks |
| 07/29/1981 | EP0032749A1 Loop, and a strap or sling made therefrom |
| 07/28/1981 | US4280785 Multi-directional lifting and handling attachment for a crane boom |
| 07/28/1981 | US4280728 Grab hook |
| 07/21/1981 | US4279431 Coupling hook |
| 07/21/1981 | US4279062 Snap shackle |
| 07/07/1981 | US4277093 Safety hook device |
| 07/07/1981 | CA1104611A1 Expandable spreader control circuit |
| 07/07/1981 | CA1104610A1 Rigging fitting |
| 07/07/1981 | CA1104326A2 Load pin retention system |
| 07/07/1981 | CA1104325A1 Load pin retention system |
| 06/16/1981 | US4273506 Industrial manipulator for placing articles in close proximity to adjacent articles |
| 06/16/1981 | US4273505 Pneumatic inflatable end effector |
| 06/16/1981 | US4273499 Apparatus for manipulating signature bundles |
| 06/16/1981 | US4273373 Hoist clamp |
| 06/16/1981 | US4273371 Claw hook assembly |
| 06/09/1981 | US4272065 Building panel erection brackets |
| 06/09/1981 | CA1102749A1 Load carrying apparatus |
| 06/02/1981 | US4270789 Airbag setter |
| 05/26/1981 | US4269442 Roof truss suspension |
| 05/19/1981 | US4268217 Load carrying apparatus |
| 05/13/1981 | EP0028365A2 Lifting device for transporting containers |
| 05/12/1981 | US4266910 Pipe positioner boom and head assembly for pipe laying frame |
| 05/12/1981 | US4266450 Power tong assembly |
| 05/06/1981 | EP0028040A1 Process and apparatus for the manufacture of hollow cencrete objects |
| 04/28/1981 | US4264232 Method and device for assembling a layer of concrete paving bricks forming a brick disk in the form of a stretcher bond which may be used as one setting unit |
| 04/28/1981 | US4264098 Mechanical cable disconnect device |
| 04/28/1981 | US4264097 Suspension chain head |
| 04/22/1981 | EP0027200A2 Apparatus for encasing excavations |
| 04/21/1981 | US4262952 Lifting tong toggle lock |
| 04/21/1981 | US4262951 Device for transporting prefabricated concrete sections |
| 04/21/1981 | US4262950 Lateral shifting device for crane |
| 04/21/1981 | US4262949 Lift adaptor for an electromagnet for hydraulic or excavator crane |
| 04/14/1981 | US4261609 Ingot grab apparatus |
| 04/08/1981 | EP0026336A2 Contactless pick-up device |
| 04/08/1981 | EP0026279A1 Method and device for transporting objects |
| 04/07/1981 | CA1098932A1 Apparatus for lifting sheet material |
| 04/01/1981 | EP0026015A2 Electromagnetic apparatus and method of lifting and/or turning a slab of steel or other ferromagnetic material |
| 03/31/1981 | US4258949 Extensible spreader frame for cargo containers |
| 03/31/1981 | CA1098563A1 Pipeline lifting device |
| 03/24/1981 | US4257638 Hook load pin retention system |
| 03/24/1981 | US4257637 Contactless air film lifting device |
| 03/24/1981 | US4257523 Device for storing, transporting, lifting and utilizing wire rod |
| 03/24/1981 | CA1098149A1 Gripping-lifting apparatus |
| 03/19/1981 | WO1981000705A1 Conduit grappling anchor |
| 03/17/1981 | US4256429 Apparatus for handling signature bundles |
| 03/17/1981 | US4256338 Anti-snag hook |
| 03/17/1981 | US4256337 Universal fork assembly |
| 03/10/1981 | US4254984 Mold handler |
| 03/10/1981 | US4254982 Yoke-like attachment assembly |
| 03/03/1981 | US4253696 Motorized lever-action vertical axis coil grab |
| 03/03/1981 | US4253695 Automatic grapple |
| 02/24/1981 | US4252359 Force limiter |
| 02/24/1981 | US4252358 Horizontal grapple |
| 02/24/1981 | US4252357 Fireplace log grapple |
| 02/24/1981 | CA1096421A1 Lifting clamp |
| 02/24/1981 | CA1096141A1 Lifting hook with safety latch |
| 02/17/1981 | US4251181 Implement coupling apparatus for boom-type vehicle |
| 02/17/1981 | US4251099 Automatic release device for lifting slings |
| 02/17/1981 | US4251098 Under-the-roof loader |
| 02/10/1981 | US4250478 Manually controlled magnetic lifting device |
| 02/10/1981 | US4249765 Arrangement for holding ropes and the like |
| 02/10/1981 | US4249474 Load-carrying slings |
| 02/03/1981 | US4248469 Lifting harness |
| 02/03/1981 | US4248467 Lifting and lowering device for handling goods containers |
| 02/03/1981 | US4248353 Apparatus for collecting drippings from a wet load carried by a crane |