| Patents for E04G 3 - Scaffolds essentially supported by building constructions, e.g. adjustable in height (4,845) |
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| 04/22/1999 | WO1999019582A1 Barriers and barrier systems and components for barrier systems |
| 04/06/1999 | US5892295 Fuse apparatus for a vehicle |
| 03/18/1999 | DE19726408C1 Working platform for maintenance of wind turbine rotor blades |
| 03/09/1999 | US5878838 Scaffold structure |
| 03/09/1999 | US5878835 Window scaffolding system |
| 03/03/1999 | CN2309391Y Automatic protective door for charging hole of lifter |
| 02/25/1999 | WO1999009275A1 Scaffolding and apparatus for use with scaffolding |
| 02/24/1999 | CN2308670Y Self-lifing gate type construction elevator |
| 01/26/1999 | US5862880 Roof scaffolding system |
| 01/26/1999 | CA2135724C Environmentally safe work platform |
| 01/07/1999 | EP0889178A1 A support system |
| 12/30/1998 | WO1998059133A1 Unilateral scaffold system |
| 12/08/1998 | US5845743 Post step gripping device |
| 12/08/1998 | US5845740 Firefighter's roof support |
| 12/08/1998 | US5845739 Suspension support device for an outer wall working machine |
| 12/02/1998 | EP0881341A1 Attachment for suspended scaffolds |
| 12/02/1998 | EP0881339A1 Remaining fastening arrangement for safety-roof anchors |
| 11/26/1998 | WO1998053161A1 Partly retractable construction platform |
| 11/18/1998 | EP0877844A1 Adjustable working platform construction |
| 11/17/1998 | US5836561 Angle-adjustable cymbal holder |
| 11/11/1998 | EP0877131A1 Arrangement for connecting scaffolds to a wall or roof border |
| 11/05/1998 | DE19718650A1 Scaffolding bracket |
| 11/04/1998 | EP0812375B1 Lattice girder, in particular for forming a load-bearing guardrail on a suspended walkway |
| 11/03/1998 | US5829549 Walkway with rail system |
| 10/20/1998 | US5823289 Window platform and scaffolding device |
| 09/01/1998 | US5799750 Portable scaffold |
| 08/19/1998 | EP0859104A1 Roof scaffolding system |
| 08/11/1998 | US5791862 Suspension support device for an outer wall working machine |
| 08/06/1998 | DE19736430C1 Corner-section for staging platform |
| 08/06/1998 | DE19704281A1 Crash protection device for exit or escape hatch of house roof or sloping surface |
| 08/06/1998 | DE19703558A1 Fastening bar for handrail of scaffolding |
| 08/04/1998 | US5788204 Pump jack base |
| 07/21/1998 | US5783761 Method and apparatus for propeller runner inspection |
| 07/21/1998 | US5782446 Davit mounting assembly |
| 07/15/1998 | CN2286220Y Control mechanism for antifalling apparatus of climbing scaffold |
| 06/25/1998 | DE19743458A1 Device for vertical movement of personnel lifting unit, especially on faces of high buildings |
| 06/25/1998 | DE19654311A1 Assembly cradle for building work |
| 06/17/1998 | EP0847471A1 Bridge platform |
| 06/04/1998 | DE19649327A1 Scaffold frame with platform for e.g. mansard roof work |
| 06/04/1998 | DE19648929A1 Hoist for facade of building for service and cleaning purposes |
| 05/26/1998 | US5756942 Vibration-damping section with sound absorbing material |
| 05/26/1998 | CA2068615C Scaffolding frame to which a story can be added |
| 05/20/1998 | EP0843057A1 Security hook |
| 05/20/1998 | CN1182018A Fuse apparatus for vehicle |
| 05/14/1998 | WO1998020215A1 Safety rail system |
| 05/12/1998 | US5749434 Roof edge protection system |
| 04/30/1998 | WO1998008612A3 Apparatus and method for applying fluids to vertical surfaces |
| 04/30/1998 | DE19748104A1 Vertical transport device for external building maintenance cage |
| 04/14/1998 | US5738339 Rope traction device with connected locking units |
| 03/31/1998 | US5732918 Roof catchboard bracket |
| 03/26/1998 | DE19637543A1 Support frame for scaffold beneath roof surface |
| 03/24/1998 | US5730248 For installation below a deck for supporting persons doing work |
| 03/24/1998 | US5730246 For protection of a worker on a roof |
| 03/18/1998 | EP0699260B1 Roof fall-guard |
| 03/05/1998 | WO1998008612A2 Apparatus and method for applying fluids to vertical surfaces |
| 03/05/1998 | DE19635301A1 Device for raising or lowering facade on high rise building |
| 02/10/1998 | US5715906 Moving work floor push-up expansion floor device |
| 02/03/1998 | US5713430 Device for treating exterior surfaces for structures |
| 01/29/1998 | DE19714848A1 Suspended gondola lifting and lowering system |
| 12/17/1997 | EP0812375A1 Lattice girder, in particular for forming a load-bearing guardrail on a suspended walkway |
| 12/17/1997 | CN2270770Y Falling-proof device for climbing scaffold |
| 11/26/1997 | EP0808398A1 Shuttering with scaffolding for use in the construction of an egg-shaped digestion container with a dual-curve wall |
| 11/04/1997 | US5682961 Skyrise window panel installation assembly |
| 10/26/1997 | CA2175006A1 Method and apparatus for propeller runner inspection |
| 10/23/1997 | DE19615213A1 Remotely controlled miniature hoist for inspection and repair of UHF-aerial masts used for telecommunications, such as TV |
| 10/21/1997 | US5678654 Hanging-scaffold panel and hanging scaffold comprising said panels |
| 10/15/1997 | EP0654115B1 Transport system |
| 10/01/1997 | EP0798430A1 Suspension support device for an outer wall working machine |
| 10/01/1997 | EP0798429A1 Wire rope supply path length adjusting device and suspension support device for an outer wall working machine utilizing the same |
| 10/01/1997 | EP0798428A1 Suspension support device for an outer wall working machine |
| 09/30/1997 | US5671823 Collapsible catwalk |
| 09/25/1997 | CA2200401A1 Suspension support device for an outer wall working machine |
| 09/25/1997 | CA2200400A1 Suspension support device for an outer wall working machine |
| 09/25/1997 | CA2200399A1 Wire rope supply path length adjusting device and suspension support device for an outer wall working machine utilizing the same |
| 09/09/1997 | US5664641 Roof maintenance stair step apparatus |
| 09/09/1997 | US5664391 Roof anchor and hanging scaffold system |
| 08/07/1997 | WO1997028331A1 Adjustable working platform construction |
| 08/05/1997 | US5653172 Transport system for travelling crabs |
| 07/03/1997 | DE19700742A1 Device for, e.g. lifting work platforms, lifting loads or laying cables |
| 06/17/1997 | US5638917 Scaffold bracket for roof structure installation |
| 06/17/1997 | US5638914 Portable telescoping platform system for ceiling joists |
| 05/20/1997 | US5630482 Climbing device, in particular for a climbing scaffold |
| 05/02/1997 | EP0770984A2 Vibration-damping section with sound absorbing material |
| 04/29/1997 | US5624006 Support apparatus for use on an inclined roof |
| 04/22/1997 | US5622237 Portable hoist system |
| 04/17/1997 | WO1997013938A1 Surface treatment device |
| 04/09/1997 | CN2251595Y Outside scaffold for building construction |
| 04/08/1997 | US5617931 Modular scaffolding system |
| 04/01/1997 | US5615751 Scaffold system used with wood panels |
| 02/13/1997 | WO1997005348A1 Bridge platform |
| 02/11/1997 | US5601154 Portable suspended roof scaffold system |
| 01/02/1997 | EP0715672A4 Construction platform |
| 01/02/1997 | DE19530704C1 Device for load accommodation in roof area of building |
| 12/12/1996 | DE19520795A1 Position-sensing switch for lifting elements |
| 12/03/1996 | US5579866 Suspended access platform |
| 11/06/1996 | CN1135009A Up-push-able expanding table device for moveable work-table |
| 11/05/1996 | US5570864 For supporting a person and materials on a pitched roof |
| 10/17/1996 | WO1996032553A1 Working platform assembly |
| 10/09/1996 | CN1133078A Construction platform |
| 10/02/1996 | EP0734995A1 Rope traction device |