| 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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| 01/11/1977 | US4002377 Sealed bearing for load carrying booms |
| 01/11/1977 | US4002253 Attachment for articulated vehicle |
| 01/11/1977 | US4002243 Jib crane |
| 01/11/1977 | US4002242 Vehicle cranes |
| 01/04/1977 | US4000784 Demountable self-propelled crane transport assembly |
| 12/21/1976 | US3998414 Bridge for loading cranes |
| 12/21/1976 | US3998336 Crane with compensating counterweight |
| 12/21/1976 | US3998029 Tower crane climbing |
| 12/14/1976 | US3997062 Multi-section telescopic jibs |
| 12/07/1976 | US3996125 Apparatus for electrolytically processing aluminium material |
| 12/07/1976 | US3995756 Load handling apparatus |
| 12/07/1976 | US3995746 Hydraulic crane mechanism operable to provide enlarged parallel movement |
| 11/23/1976 | US3992836 Crane |
| 11/16/1976 | US3991978 Submersible pump boom |
| 11/09/1976 | US3990714 Self-storing outrigger float assembly |
| 11/09/1976 | US3990584 Electrical safety control device for a variable radius crane |
| 11/09/1976 | US3990583 Device for controlling the boom elevation of a side crane |
| 11/02/1976 | US3989325 Rotatable bed and roller assembly |
| 10/26/1976 | US3987906 Apparatus for preventing the tilting of telescopic jib cranes |
| 10/26/1976 | US3987594 System and method for automatic unstowing and stowing of a crane boom |
| 10/12/1976 | US3985406 Cushioned roller circle |
| 10/12/1976 | US3985371 Touring ski boot heel binding |
| 10/12/1976 | US3985234 Telescopic boom for a crane |
| 10/12/1976 | US3985036 Outrigger and mounting means for truck with a conveyor boom |
| 10/05/1976 | US3983946 Automatically repositionable rotary platform, and method |
| 09/28/1976 | US3982732 Apparatus for transporting and erecting modular housing system |
| 09/28/1976 | US3982634 Method and apparatus for erecting a vertical structure |
| 09/21/1976 | US3981514 Outrigger |
| 09/14/1976 | US3980276 Collapsible boom for vehicles |
| 09/07/1976 | US3978989 Extensible and collapsible portable derrick |
| 08/31/1976 | US3977531 Stiff-leg crane |
| 08/31/1976 | US3977530 Crane with gantry backhitch and boom hoist assembly removable as a unit |
| 08/03/1976 | US3972571 Boom slider assembly |
| 08/03/1976 | US3972378 Swing lock means for an hydraulic excavator |
| 07/20/1976 | US3971008 Crane overload detector using a boom bending moment detector |
| 07/13/1976 | US3968884 Storage means for jib for telescopic boom of mobile crane |
| 07/06/1976 | US3967867 Roller bearings |
| 07/06/1976 | US3967736 Boom control system |
| 06/29/1976 | US3965770 Arm mechanism for moving heavy materials in a two-dimensional plane |
| 06/29/1976 | US3965733 Crane load inidicating arrangement |
| 06/22/1976 | US3964614 Lifting attachment for a crane |
| 06/15/1976 | US3963133 Public works machine having a removable counterweight and method of dismantling said counterweight |
| 06/15/1976 | US3963127 Blocking arrangement in hydraulically operated cranes |
| 06/15/1976 | US3962737 Lifting means |
| 06/08/1976 | US3962406 Method of manufacturing silicon carbide crystals |
| 06/08/1976 | US3961713 Single line davit |
| 05/25/1976 | US3958813 Positive safety locking system for powered outrigger beams |
| 05/25/1976 | US3958702 Mobile load handling apparatus |
| 05/18/1976 | US3957161 Rotary crane |
| 05/11/1976 | US3955844 Crane cable attachment |
| 05/11/1976 | US3955695 Machine with an outrigger latching mechanism |
| 05/11/1976 | US3955684 Rotary crane structure with a selective drive on power unit |
| 05/04/1976 | US3954193 Apparatus and method for transferring a crane boom assembly from a crane carrier to an independent transport vehicle |
| 05/04/1976 | US3954020 Rotational drive assembly |
| 04/27/1976 | US3953052 Support legs of mobile cranes |
| 04/27/1976 | US3953042 Touring ski boot heel binding |
| 04/27/1976 | US3952879 Overload control for lifting boom |
| 04/27/1976 | US3952466 Spring-loaded wear pads for crane booms |
| 04/20/1976 | US3951281 Apparatus with pivotal latching means for retaining an outrigger in an inoperative position |
| 04/13/1976 | US3950007 Loading vehicle |
| 04/13/1976 | US3949882 Rotary tower crane |
| 04/13/1976 | US3949881 Swing drive assembly |
| 04/06/1976 | US3948487 Control lever mechanism in lifting apparatus |
| 03/23/1976 | US3945666 Powered outrigger beams having stabilizing spacer pad means |
| 03/23/1976 | US3945612 Lifting apparatus |
| 03/23/1976 | US3945518 Lifting apparatus with hydraulic operated means to move a counterweight thereon |
| 03/23/1976 | US3945502 Cable lifting device |
| 03/23/1976 | US3945333 Means for storing and connecting jib for telescopic boom of mobile crane |
| 03/23/1976 | US3945300 Telescopic jack |
| 03/16/1976 | US3944082 Locking means for relatively movable boom sections of boom of mobile crane |
| 03/16/1976 | US3944081 Tower crane |
| 03/09/1976 | US3942554 Extendable crane with folding conduit |
| 03/02/1976 | US3941252 Crane with removable superstructure |
| 02/24/1976 | US3940110 Lifting apparatus |
| 02/24/1976 | US3940000 Universal hydraulic lift attachment for tractors |
| 02/24/1976 | US3939988 Tower crane |
| 02/17/1976 | US3938670 Tower crane |
| 02/17/1976 | US3938669 Hydraulic circuit for a pipelayer |
| 01/27/1976 | US3934729 Tower crane |
| 01/27/1976 | US3934616 Telescopic structure |
| 01/27/1976 | US3934381 Stop lock assembly for a pivotal tower |
| 01/20/1976 | US3933261 Construction equipment |
| 01/20/1976 | US3933250 Guy crane jib tip prop |
| 01/13/1976 | US3932855 Crane radius instrument |
| 01/13/1976 | US3931956 Hoist |
| 01/13/1976 | US3931698 Center guided crane boom |
| 01/06/1976 | US3930583 Balancing system for high capacity cranes |