Patents for E04G 3 - Scaffolds essentially supported by building constructions, e.g. adjustable in height (4,845)
03/1980
03/18/1980US4193708 Girder clamp
01/1980
01/01/1980US4181194 Safety clamp device and apparatus utilizing same
11/1979
11/28/1979EP0005667A1 Console for supporting a scaffold floor
09/1979
09/19/1979EP0003982A1 Hanging scaffold for walls with recessed parts
08/1979
08/28/1979CA1061382A1 Roof support system for a suspended staging
08/14/1979US4164268 Adjustable protective rollers for suspended scaffolding
07/1979
07/31/1979CA1059281A1 Moving work station for use in constructing a building roof
06/1979
06/05/1979US4157129 Stabbing board assembly
05/1979
05/15/1979US4154318 Retractable suspended scaffolding on a self-propelled truck, particularly adapted for maintenance work on road-bridges and the like
04/1979
04/04/1979EP0001342A1 Improvements in girder fittings
04/04/1979EP0001341A1 Improvements in girder roller fittings
03/1979
03/27/1979CA1051490A1 Movable apparatus adhering to the surface of a wall
02/1979
02/06/1979US4137996 Portable scaffolding device
01/1979
01/02/1979US4132287 Support assembly
12/1978
12/19/1978US4130179 Portable support for a scaffold
11/1978
11/21/1978CA1042960A1 Movable vacuum secured apparatus for inclined or vertical surfaces
10/1978
10/31/1978US4122916 Scaffolding
10/24/1978US4121690 Roofer's staging
10/17/1978US4120378 Movable work support for cylindrical structures
08/1978
08/22/1978US4108277 Work platform
06/1978
06/27/1978US4096922 Roof support system for a suspended staging
06/20/1978US4095670 Foldable platform for raise drilling
04/1978
04/04/1978US4082161 Continuous adjusting scaffold
03/1978
03/21/1978US4079813 Step-out window washer box
03/14/1978US4078633 Modular staging with platform jacks
02/1978
02/21/1978US4074792 Portable hanging scaffold
02/21/1978US4074789 Mobile rolling support system for scaffolding used in building construction
01/1978
01/17/1978US4068895 Demolition machine for delining a furnace
01/17/1978US4068738 Scaffolding
01/17/1978US4068446 Moving work station for use in constructing a building roof
11/1977
11/29/1977US4060358 Climbing scaffolding assemblies with associated shuttering
11/15/1977US4058184 Scaffold
06/1977
06/14/1977US4029173 Foldable scaffold devices
06/14/1977US4029164 Movable apparatus adhering to the surface of a wall
05/1977
05/03/1977US4021011 Device for attaching a scaffolding bracket to a vertical wall surface
05/03/1977US4020921 Roofer's staging
03/1977
03/08/1977US4010823 Or working inside of a large drum
02/1977
02/15/1977US4007808 Line securing device
11/1976
11/30/1976US3994036 Flexible staging platform and the like
11/16/1976US3991842 Movable vacuum secured apparatus for inclined or vertical surfaces
07/1976
07/06/1976US3967699 Hoisting apparatus, particularly for a cooling tower
07/06/1976US3967696 Stage safety stabilizer
05/1976
05/18/1976US3957135 Climbing device
04/1976
04/20/1976US3951232 Multifloor-type escape bridge apparatus for use in multistory building
03/1976
03/23/1976US3945462 Hanger brackets
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