Patents
Patents for B66C 3 - Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs (1,528)
01/1986
01/21/1986US4565479 Raw materials charging device for preheating furnace
01/14/1986US4564327 Container for feeding arc furnaces
11/1985
11/19/1985US4553778 Implement snubbing device
10/1985
10/15/1985US4546805 Tree handling device
09/1985
09/24/1985US4542929 Articulating clam type grapple for a backhoe
09/03/1985US4538848 Grab
07/1985
07/01/1985EP0065949A4 Dampened fully pivotal hanger for a grapple.
06/1985
06/18/1985US4523782 Load-absorbing mount for electromagnets
06/05/1985EP0143197A1 Arrangement for actuating a split bucket
03/1985
03/05/1985US4502723 Oil hydraulic circuit for gripping device
01/1985
01/08/1985US4492148 Control system for a plurality of hydraulic actuators
12/1984
12/05/1984EP0126770A1 Grain storage and transportation container
10/1984
10/30/1984US4479750 Apparatus for loading and unloading railway cars
08/1984
08/28/1984CA1173473A1 Grapple pivot snubber
06/1984
06/07/1984WO1984002118A1 Grain storage and transportation container
05/1984
05/22/1984CA1167805A1 Grapple head harness
04/1984
04/17/1984CA1165665A1 Device at felling and gripping unit
03/1984
03/14/1984EP0102906A1 Guiding device for crossing cables, especially unloading grab cables
02/1984
02/14/1984US4431365 Pressure control mechanism for a grapple skidder
01/1984
01/17/1984US4426110 Continuous rotation hydraulic grapple
12/1983
12/13/1983CA1158609A1 Dampened fully pivotal hanger for a grapple
11/1983
11/29/1983US4417759 Grapple pivot joint with swing dampener
11/01/1983US4412777 Device for a felling and gripping unit
10/1983
10/26/1983EP0091978A1 A two shells one cable underwater grab
09/1983
09/20/1983US4405167 Clamshell
08/1983
08/23/1983CA1152458A1 Grapple pivot joint with swing dampener
08/09/1983US4397495 Automatic grip control circuit for a grapple mechanism
08/02/1983US4396215 Log grapple device
07/1983
07/26/1983US4395066 Grab
07/12/1983US4392774 Clam bucket attachment
07/05/1983CA1149318A1 Apparatus for loading and unloading railway cars
05/1983
05/31/1983US4385780 Cylindrical hoist bucket for free flowing granular material
05/10/1983US4382624 Grapple pivot snubber
05/03/1983US4381872 Remote controlled clamshell bucket apparatus and method of using same
04/1983
04/12/1983US4379675 Dampened fully pivotal hanger for a grapple
04/12/1983US4379674 Load skidding vehicle having a positionally biased grapple
03/1983
03/22/1983US4377369 Apparatus for loading and unloading railway cars
03/15/1983CA1142979A1 Grab suspended from a hoist
02/1983
02/15/1983US4373278 Single line deep-sea bucket and release
12/1982
12/21/1982US4364704 Grab bucket suspended from hoisting installation
12/08/1982EP0065949A1 Dampened fully pivotal hanger for a grapple.
11/1982
11/09/1982US4358147 Mounting and actuating apparatus for tongs
11/03/1982EP0063724A2 Device for attaching a grab for agricultural buildings to a movable support by means of a flexible element
10/1982
10/06/1982EP0061790A1 Grab crane
09/1982
09/29/1982EP0061047A1 Process and device for piling agricultural products, such as roughage and silage in agricultural buildings up to the framework of the roof
08/1982
08/25/1982EP0058383A2 Rotating device for hanging loads
08/10/1982US4343406 Control apparatus for a distribution crane equipped with a cable bucket
08/03/1982US4342534 Grapple head harness
06/1982
06/23/1982EP0054463A1 Apparatus for gathering domestic refuse
06/23/1982EP0054207A2 Hydraulic device for a soil-shifting machine
06/22/1982US4335914 Grapple pivot joint with swing dampener
06/10/1982WO1982001864A1 Dampened fully pivotal hanger for a grapple
05/1982
05/11/1982US4328987 Rope-actuated implements
05/04/1982US4327943 Material handling bucket arrangement
03/1982
03/16/1982CA1120076A1 Excavator with a clamshell bucket having magnified vertical stroke
03/16/1982CA1120075A1 Grapple head arrangement
02/1982
02/16/1982US4315652 Angle control mechanism for grapple
02/02/1982US4313633 Self adjusting actuator system
01/1982
01/19/1982CA1116589A1 Winch system for controlling closing and lifting of a grab
01/19/1982CA1116561A1 Load handling vehicle with rotating grapple mechanism
10/1981
10/20/1981US4295677 Self-dumping hoisting bucket assembly
09/1981
09/22/1981CA1109428A1 Backhoe grapple assembly
08/1981
08/11/1981CA1106733A1 Pressure control mechanism for a grapple skidder
06/1981
06/02/1981US4270286 Tool suspension with supply means for hydraulic medium
04/1981
04/07/1981US4260323 Grapple head arrangement
03/1981
03/24/1981US4257731 Powered implement with work elements pivotally mounted on an implement mounting and a torque tube for rotating such mounting
03/03/1981US4253692 Control system for material placement buckets
02/1981
02/19/1981WO1981000396A1 Grapple head arrangement
02/10/1981CA1095556A1 Grippping tool, particularly for handling timber
02/05/1981WO1981000249A1 Self adjusting actuator system
02/03/1981US4248471 Backhoe grapple assembly
12/1980
12/30/1980US4242037 Gripping tool, particularly for handling timber
12/16/1980US4239273 Device for the rotary assembly of a member controlled by pressurized fluid
11/1980
11/25/1980CA1090232A1 Automatic grapple control system
11/04/1980US4231698 System for one-hand control of two winches during hoisting of closed clamshell, with differentiation
08/1980
08/12/1980US4217076 Load handling vehicle with rotating grapple mechanism
07/1980
07/08/1980US4211252 Hydraulic coupler
05/1980
05/06/1980US4201510 Automatic grapple control system
02/1980
02/26/1980CA1072500A1 Round bale handler
02/05/1980CA1071152A1 Pivot pin assembly
01/1980
01/22/1980CA1070357A1 Rotational grapple
01/01/1980US4181343 Oscillating movement damping means intended for pivotally suspended hoisting gear
12/1979
12/11/1979US4178030 Grapple or grab-bucket safety mechanism
12/04/1979US4176872 Grab or the like
11/1979
11/29/1979WO1979000991A1 Automatic grapple control system
11/13/1979US4174131 Clamshell bucket apparatus and method of using same
07/1979
07/31/1979CA1059557A1 Releasable lock for excavating tooth
05/1979
05/08/1979CA1054183A1 Hydraulic actuated grab bucket
03/1979
03/13/1979US4143901 Mechanical grab
03/13/1979US4143900 Material handling bucket arrangement
03/06/1979CA1050078A1 Hydraulic actuated grab bucket
12/1978
12/12/1978US4129329 Self-powered bucket arrangement
11/1978
11/28/1978US4127298 Crane grab
11/14/1978CA1042484A1 Cable-controlled grab device
11/07/1978US4124243 Hydraulic actuated grab bucket
07/1978
07/11/1978US4099762 Gripping device
07/11/1978US4099761 Suspended material handling unit
06/1978
06/27/1978US4096957 Pivot pin assembly
04/1978
04/18/1978US4084336 Vibrator equipped grab bucket
01/1978
01/10/1978US4067460 Arrangement for improving transloading pourable materials by means of a grab bucket
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