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