| Patents for E04G 3 - Scaffolds essentially supported by building constructions, e.g. adjustable in height (4,845) |
|---|
| 07/25/1990 | EP0378624A1 Scaffolding |
| 06/26/1990 | CA1270884A1 Support assembly |
| 05/22/1990 | CA1269413A1 Modular stage platform |
| 05/01/1990 | US4921070 Workman support system |
| 05/01/1990 | US4920710 Retractable column and method of forming |
| 04/11/1990 | EP0362246A1 Device for transporting and distributing materials and/or equipment at the periphery of a building. |
| 04/10/1990 | CA1267667A1 Extendable corridor |
| 03/13/1990 | US4907674 For use in deep water for spinal injury victims |
| 03/06/1990 | CA1266452A1 Semi-adjustable service platform apparatus for gantry crane |
| 02/27/1990 | CA1266287A1 Scaffold bracket frame anchoring device and attachments for its assembly |
| 01/23/1990 | CA1264790A1 Roof bracket |
| 01/18/1990 | DE3823983A1 Apparatus for the intermittent travelling within a chimney |
| 01/10/1990 | EP0350313A2 Movable platform for construction sites |
| 01/03/1990 | EP0349476A2 Mobile device |
| 12/28/1989 | WO1989012725A1 Scaffolding |
| 12/05/1989 | US4884775 Adjustable roof bracket |
| 11/28/1989 | CA1263427A1 Method and apparatus for moving a platform into a suspended outboard position |
| 10/25/1989 | EP0338145A1 Foldable scaffolding unit |
| 10/25/1989 | CN2046522U Ensemble lifting scaffold |
| 10/03/1989 | CA1262160A1 Roof scaffold assembly |
| 09/28/1989 | DE3814961A1 Interior travelling apparatus for combustion chambers or large vessels |
| 09/20/1989 | EP0333690A2 An arrangement in hanging cradles |
| 09/20/1989 | EP0332748A2 Platform module for suspending in space |
| 08/29/1989 | US4860855 Collapsible safety attachment for ladder |
| 08/15/1989 | US4856745 Adjustable roof scaffold support |
| 08/08/1989 | US4854419 Particulate containment control method and platform device |
| 08/03/1989 | DE3800704A1 Device for fastening walkways and tread surfaces on pitched roofs |
| 07/18/1989 | US4848516 Movable scaffold |
| 06/20/1989 | CA1256147A1 Wheeled scaffold for workmen and building materials |
| 06/15/1989 | DE3838503A1 Device for moving loads |
| 06/13/1989 | CA1255723A1 Safety device for scaffold |
| 06/13/1989 | CA1255722A1 Platform suspending davit mounting apparatus and method |
| 05/31/1989 | EP0318373A1 Foldable console for scaffoldings |
| 05/18/1989 | WO1989004411A1 Roof staging piece |
| 05/09/1989 | US4828073 Mobile suspended scaffold |
| 05/02/1989 | US4826122 Adjustable base bracket for pitched roof scaffolding post |
| 04/04/1989 | US4817759 Access platform for sliding glass windows |
| 04/04/1989 | US4817758 Window cleaning support structure |
| 03/28/1989 | US4815563 Adjustable post and method of using the post to erect suspension scaffolding |
| 03/14/1989 | US4811819 Device for horizontally moving an apparatus working at a high location |
| 01/31/1989 | US4801117 Portable support boom for window washer |
| 01/12/1989 | DE3821335A1 Collapsible platform for bearing shuttering |
| 12/29/1988 | DE3719953A1 Ladder for spanning a roof ridge |
| 12/15/1988 | WO1988009765A1 Offshore access systems |
| 11/22/1988 | US4785606 Mechanized roof laying system |
| 11/17/1988 | WO1988008909A1 Method and device for transporting and distributing materials and/or equipment at the periphery of a building |
| 10/06/1988 | DE3709441A1 Chimney scaffolding which can be supported on the roof of a covered building |
| 09/27/1988 | US4773504 Rolling safety trolley |
| 09/14/1988 | EP0282385A1 Device for anchoring at rafters for roof works |
| 09/13/1988 | US4770272 Safety attachment for ladder |
| 09/07/1988 | WO1988006667A1 Collapsible builders' staging |
| 08/30/1988 | US4766975 Collapsible scaffolding |
| 08/23/1988 | US4765424 Apparatus for transporting a suspension cradle |
| 06/28/1988 | US4753321 Traveling worker platform |
| 06/09/1988 | DE3641032A1 Releasable locking device for apparatuses in the building industry |
| 06/07/1988 | US4749060 Modular stage platform |
| 05/10/1988 | US4742890 Work platform |
| 04/27/1988 | EP0264683A1 Work area |
| 04/19/1988 | US4738335 Scaffolding system for performing a work on an outer wall surface of a building |
| 03/31/1988 | DE3632735A1 Apparatus for making it easier to convey roofing elements, such as roofing tiles or the like, from the storage place to the laying region on a roof |
| 03/22/1988 | US4732235 Scaffolding |
| 12/23/1987 | DE3719403A1 Scaffolding |
| 12/22/1987 | US4714226 Method and apparatus for mounting a davit on a roof structure |
| 12/15/1987 | US4712647 Portable and collapsible platform |
| 11/19/1987 | WO1987006970A1 Modular scaffolding system and connecting joints therefor |
| 10/29/1987 | DE3713545A1 Scaffolding, in particular for carrying out painting work in silos |
| 09/22/1987 | US4694934 Portable elevating device |
| 09/22/1987 | US4694933 Self-propelled scaffold for buildings and rope tensioning means, as well as process for the construction and/or for the servicing of high buildings |
| 09/02/1987 | CN85204678U Sling construction scaffold |
| 07/07/1987 | US4677936 Progressively movable holding device |
| 06/30/1987 | US4676341 Adjustable roof scaffold jack |
| 06/24/1987 | EP0226169A2 Working platform |
| 05/27/1987 | EP0223725A1 Anchor step iron and fastening method |
| 05/21/1987 | DE3539653A1 Working scaffold which can be supported in the window region of building walls |
| 05/20/1987 | EP0222060A2 Device for the treatment of material by ultraviolet rays |
| 05/12/1987 | US4664212 Vacuum wall crawler |
| 05/06/1987 | EP0220192A1 Movable support system |
| 04/28/1987 | US4660678 Service suspension basket arrangement |
| 04/22/1987 | EP0219277A2 Apparatus for transporting a suspension cradle |
| 04/22/1987 | CN85205402U Attached construction gantry frame with safety devices |
| 03/26/1987 | DE3533409A1 Scaffolding part to be seated on a roof ridge, in particular for suspending a roof ladder, and ladder, in particular for said scaffolding part |
| 03/18/1987 | EP0214345A1 Expansible walkway |
| 03/17/1987 | US4650035 Elevatable work station |
| 03/04/1987 | EP0142529B1 Self propelled scaffold for buildings |
| 03/03/1987 | US4646877 Wheeled scaffold for workmen and building material |
| 02/05/1987 | DE3526612A1 Bridge cable inspection device |
| 01/24/1987 | CN86101298A Self-lifting platform |
| 01/22/1987 | DE3526088A1 Protective platform for chimneys |
| 12/23/1986 | US4630710 Elevatable work station |
| 12/23/1986 | US4630708 Semi-adjustable service platform apparatus for gantry crane |
| 12/16/1986 | US4629355 Device for attaching a scaffolding bracket to a frame member, and fixing assembly for implementing same |
| 11/26/1986 | EP0202691A2 Cable tensioner |
| 11/18/1986 | US4623036 Hanging stage resembling a hoisting cage |
| 11/04/1986 | US4620612 Expansible corridor |
| 10/14/1986 | US4616734 Roof Scaffolding |
| 04/30/1986 | EP0179480A2 Scaffold-supporting structure for bridging a walkway or the like |
| 04/10/1986 | WO1986002121A1 Service suspension basket arrangement |
| 03/27/1986 | WO1986001791A1 Movable support system |
| 02/18/1986 | US4570749 For use beneath a pair of spaced apart purlins |
| 01/02/1986 | EP0165946A1 Supporting device for scaffolding |