Patents for B66F 1 - Devices, e.g. jacks, for lifting loads in predetermined steps (535)
10/1980
10/16/1980WO1980002172A1 Lifting and shifting apparatus
08/1980
08/19/1980US4218043 Manual automobile pusher
08/05/1980US4215848 Gripping and skidding apparatus
07/1980
07/15/1980US4212450 Jacking apparatus
07/15/1980CA1081682A1 Double fingered bumper jack body
05/1980
05/20/1980US4203578 Double fingered bumper jack body
01/1980
01/15/1980US4183502 Hydraulic chain jack automatic latch control system
01/01/1980US4181289 Wall lifter
07/1979
07/10/1979US4160539 Hand operated jack for a multipurpose jig apparatus of the type including a length of pipe and a plurality of releasable, pipe-gripping tail stops
06/1979
06/12/1979CA1056122A1 Method of lifting or lowering an object by means of a plurality of so-called climbing jacks
04/1979
04/10/1979US4148462 Tree felling device
03/1979
03/06/1979CA1050003A1 Telescopic jack post cross pin
02/1979
02/27/1979CA1049490A1 Jacking assembly
11/1978
11/28/1978CA1043079A1 Method and apparatus for progressively constructing a wall of cementitious material
09/1978
09/12/1978US4113234 Hydraulic jacks
09/05/1978CA1037941A1 Method and apparatus for shifting loads
08/1978
08/01/1978CA1035759A1 Device for lifting form for the production of continuous concrete surfaces, and form equiped with said device
06/1978
06/27/1978US4097022 Wheel jack apparatus
04/1978
04/18/1978US4084792 Cargo holder jack
04/18/1978US4084789 Stabilizing jack
01/1978
01/17/1978US4068826 Heavy duty lifting devices
01/10/1978US4067448 Lift and supporting system
11/1977
11/01/1977US4056256 Jacking assembly
10/1977
10/11/1977US4053138 Method of lifting or lowering an object by means of a plurality of so-called climbing jacks
06/1977
06/21/1977US4030699 Handling device for shifting heavy loads along a sliding track
06/21/1977US4030698 Releasable gripper assembly for a jacking mechanism
04/1977
04/05/1977US4015434 Leg and guide construction for use in jackup barges
03/1977
03/29/1977US4014266 Transport track and sliding carriage for moving heavy loads
02/1977
02/15/1977US4007915 Jacking apparatus
11/1976
11/30/1976US3994475 Rack type jacking apparatus
11/16/1976US3991977 Vehicle jack
11/09/1976US3990592 Scooter jack
11/09/1976US3990349 Device for effecting translational movement of a machine
04/1976
04/06/1976US3948483 Sliding shuttering raising device for the continuous production of partitions and shuttering fitted with this device
02/1976
02/24/1976US3940109 Lifting device for raising, lowering and suspending heavy loads
1 2 3 4 5 6