| Patents for E04G 1 - Scaffolds primarily resting on the ground (3,963) |
|---|
| 05/22/1979 | US4155424 Adjustable-width scaffold |
| 05/22/1979 | CA1055079A1 Mobile elevationally adjustable stage |
| 02/20/1979 | US4140414 Wedge-clamped scaffold joint |
| 02/20/1979 | CA1048959A1 Metallurgical vessel lining arrangement |
| 01/16/1979 | US4134473 Portable scaffold |
| 11/28/1978 | CA1043396A1 Self-elevating scaffold construction |
| 11/14/1978 | US4125174 Scaffolding for use in a confined area |
| 11/14/1978 | US4125173 Scaffold device |
| 10/31/1978 | US4122916 Scaffolding |
| 10/31/1978 | US4122646 Equilateral derrick structure |
| 09/19/1978 | CA1038643A1 System for construction of monolithic concrete tanks and silos |
| 08/22/1978 | US4109041 Construction panel with non-skid surface and method of fabrication |
| 08/15/1978 | CA1036510A1 Aerial platform having boom mounted pipe holder |
| 08/01/1978 | US4103856 Adjustable scaffold bracket |
| 06/06/1978 | US4092760 Travelling support for scaffolding |
| 05/16/1978 | US4089389 Scaffold |
| 05/16/1978 | US4089388 Fluid control system |
| 05/09/1978 | US4088203 Adjustable scaffold |
| 05/09/1978 | US4088202 Scaffolding cart |
| 04/11/1978 | US4083427 Ladder scaffold |
| 03/14/1978 | US4078633 Modular staging with platform jacks |
| 03/07/1978 | US4077616 Metallurgical vessel lining arrangement |
| 02/21/1978 | US4074790 Vehicle-borne inspection and maintenance apparatus |
| 02/21/1978 | US4074636 Elevationally adjustable folding stage |
| 01/31/1978 | US4070807 Aerial lift |
| 01/17/1978 | US4068738 Scaffolding |
| 01/17/1978 | US4068737 Safety device for mobile work platform lift |
| 01/17/1978 | US4068419 Inside scaffolding for large metallic structures and method of using same |
| 11/15/1977 | US4058184 Scaffold |
| 11/15/1977 | US4057943 Modular scaffolding for assembling the inside of an LNG vessel |
| 10/18/1977 | US4054096 Mobile elevationally adjustable stage |
| 10/11/1977 | US4053025 Scaffold including reversible and adjustable driving and steering unit |
| 09/20/1977 | US4049082 Structural member for a structural frame |
| 08/30/1977 | US4044523 Frame structure, particularly scaffolding |
| 07/26/1977 | US4037382 Scaffolding |
| 07/12/1977 | US4034684 Workbench and foldable leg assembly therefor |
| 06/28/1977 | US4031981 Foldable work platform |
| 06/14/1977 | US4029173 Foldable scaffold devices |
| 05/31/1977 | US4026221 Multi-leg mobile folding stage |
| 05/31/1977 | US4026079 Shoring scaffold construction |
| 03/08/1977 | US4010823 Or working inside of a large drum |
| 01/25/1977 | US4004652 Portable bridge structure |
| 01/11/1977 | US4002222 Combination scaffold and utility platform |
| 01/04/1977 | US4000789 Portable scaffold |
| 12/28/1976 | US3999491 Elevationally adjustable folding stage |
| 12/21/1976 | US3998292 Scaffold |
| 12/14/1976 | US3997024 Portable scaffold ladder |
| 11/02/1976 | US3989006 Apparatus for spraying an insulating foam on an inside wall of a tank |
| 10/12/1976 | US3985204 Tree stand |
| 10/05/1976 | US3983960 Scissors lift |
| 09/07/1976 | US3978634 Scaffolding constructions |
| 08/24/1976 | US3976163 Storage-stand |
| 07/20/1976 | US3970277 Scaffold bracket |
| 06/22/1976 | US3964221 Platform sections |
| 06/01/1976 | US3960242 Orbital service bridge |
| 05/11/1976 | US3955644 Scaffolding constructions |
| 03/23/1976 | US3945169 Framework structures |
| 02/17/1976 | US3938290 Scaffolding |
| 02/10/1976 | US3937340 Aerial platform having boom mounted pipe holder |
| 02/03/1976 | US3936033 Hand winch |
| 01/27/1976 | US3934676 Scaffold structure |
| 01/27/1976 | US3934381 Stop lock assembly for a pivotal tower |
| 01/06/1976 | US3930548 Motorized scaffold attachment |