| Patents for E06C 1 - Ladders in general (5,355) |
|---|
| 06/09/1992 | US5120013 Ladder shelf |
| 06/02/1992 | US5117943 Rung lock assembly for an extension ladder |
| 05/27/1992 | DE4135668A1 Device for joining two hollow rung ladders to form extended ladder - has hard rubber rungs with control holes inserted in two pairs of hollow rungs |
| 05/27/1992 | CN2105553U Bamboo hook ladder |
| 05/26/1992 | CA1301723C Portable and collapsible stair |
| 05/14/1992 | WO1992008032A1 A collapsible escape ladder |
| 05/07/1992 | DE4034850A1 Framed support for access to trees - comprises horizontal tube fastened to tripod at one end and to tree at other end |
| 05/06/1992 | EP0483306A1 Folding ladder with movable rungs |
| 05/06/1992 | CN2103347U Spanning building type fire escape combined with slide and ladder |
| 05/05/1992 | US5109954 Weight bearing apparatus for hanging on upright structures |
| 04/30/1992 | DE4034566A1 Assembly system for objects made of parallel parts - consists of end pieces, intermediate pieces, eccentric pins and spacer piece, with panel holes |
| 04/29/1992 | EP0481990A1 Compressible roller for loadable equipment. |
| 04/22/1992 | CN2102363U Suspending ladder for plain roof |
| 04/21/1992 | US5105908 Ladder treestand and trailer rit |
| 04/16/1992 | DE4032283A1 Ratchet pivot linkage for adjustable seat-back etc. - uses spring loaded ratchet element and rotatable control element blocking selected ratchet positions |
| 04/15/1992 | EP0479797A1 Extension ladder. |
| 04/08/1992 | EP0478920A1 Ladder with connecting means |
| 04/08/1992 | CN2101098U Multi-function aluminium alloy foldable ladder |
| 04/08/1992 | CN2100794U Teatable with ladder function |
| 04/07/1992 | CA1298452C Mobile folding choral riser |
| 03/04/1992 | EP0472585A1 Ladder with four-point footing. |
| 03/03/1992 | US5092427 Convertible ladder clamp combination |
| 03/03/1992 | CA1296688C Foldable ladder |
| 02/25/1992 | CA1296308C Mechanical connection element |
| 02/11/1992 | US5086872 Foldable ladder |
| 02/04/1992 | US5085291 Safety ladder |
| 02/04/1992 | US5085290 Foldaway stool mounted to inside of cabinet door |
| 01/29/1992 | EP0468190A1 Step-ladder |
| 01/25/1992 | CA2047035A1 Stepladder |
| 01/22/1992 | CN2093575U Household ladder-shaped multi-purpose rack |
| 01/21/1992 | US5082088 Cross member construction for use at the foot of ladders |
| 01/21/1992 | US5082086 Wheeled ladder |
| 01/21/1992 | CA1294588C Adjustable stairway having retractable wheel carriage |
| 01/14/1992 | US5080193 Improved hunter's ladder stand |
| 01/14/1992 | US5080192 Ladder with warning gate |
| 01/02/1992 | DE4019429A1 Stairway structure for building - comprises several cylindrical inflatable bodies of differing heights |
| 12/27/1991 | EP0462946A1 Synthetic and glass fibre portable ladder |
| 12/25/1991 | CN2091347U Multi-purpose ladder |
| 12/24/1991 | US5074378 Multi-purpose ladder with locking mechanism for extendible legs |
| 12/24/1991 | US5074377 Jointed ladder |
| 12/24/1991 | CA1293484C Tree ladder |
| 12/17/1991 | US5072807 Moving staircase escape-way from offshore platforms |
| 12/10/1991 | US5070963 Foldable extension escape ladder bookshelf/table/stool/chest of draws |
| 12/04/1991 | CN2089978U Portable ladder without support |
| 12/03/1991 | US5069309 Rolling tower scaffold and method and tooling apparatus for manufacturing the same |
| 11/28/1991 | WO1991018179A1 Extendable step ladder |
| 11/27/1991 | CN2089520U Folding ladder cart |
| 11/26/1991 | US5067588 Ladder lash |
| 11/22/1991 | CA2028704A1 Safety attachment for ladders |
| 11/21/1991 | EP0457703A1 Hinged ladder |
| 11/13/1991 | CN2088591U Sliding track safety ladder |
| 11/12/1991 | US5064020 Device for hunting large and small game |
| 11/05/1991 | US5062499 Side rails fastening mechanism for telescopic aluminum step ladders |
| 10/29/1991 | CA1291463C Ladder, folding, 3-legged |
| 10/22/1991 | US5058239 Fixing knuckles in foldable aluminum ladder |
| 10/11/1991 | WO1991015651A1 Collapsible ladder |
| 10/08/1991 | US5054581 Safety device for securing a ladder to an aerial cable |
| 09/19/1991 | WO1991013573A1 Collapsible booth assembly |
| 09/03/1991 | CA1288400C Step ladder for stairs |
| 08/20/1991 | US5040635 Multisection pole ladder |
| 08/14/1991 | EP0440728A1 Foldable fire-escape ladder. |
| 07/31/1991 | CN2081878U Multifunctional working ladder |
| 07/31/1991 | CN2081877U Dual-purpose folding ladder |
| 07/30/1991 | US5035299 Method and device for extension ladder safety |
| 07/24/1991 | EP0438266A1 An extension ladder assembly |
| 07/24/1991 | EP0321467B1 Hinge element for a folding support |
| 07/23/1991 | US5033584 All-purpose ladder |
| 07/23/1991 | US5033583 Chain link fence ladder apparatus |
| 07/16/1991 | US5031723 Ladder accessories |
| 06/27/1991 | WO1991009190A1 Stud climbing/support device |
| 06/27/1991 | CA2006649A1 Boat ladder and carrier |
| 06/25/1991 | US5026198 Lockable folding joint for foldaway ladder |
| 06/12/1991 | EP0431221A1 Collapsible ladder |
| 06/11/1991 | US5022118 Ladder joint with engagement spring member |
| 05/21/1991 | US5016732 Portable combination hunting and observation stand |
| 05/16/1991 | DE3937566A1 Platform of adjustable height for use in home - has screwed spindles driven from electric motor, e.g. for opening-closing curtains |
| 05/08/1991 | EP0425786A1 Ladder |
| 05/02/1991 | EP0424451A1 Ladder levelling device. |
| 04/24/1991 | CN2075691U Insulation ladder |
| 04/23/1991 | US5009282 Folding steps |
| 04/17/1991 | CA2024288A1 Pole gripping ladder stabilizing device |
| 04/10/1991 | EP0420978A1 Underwater stairs |
| 04/09/1991 | US5005667 Extensible and retractable step assembly |
| 04/09/1991 | US5005280 Method of manfacturing a foldable ladder structure |
| 04/03/1991 | EP0419914A1 Foot for ladder rungs |
| 04/02/1991 | CA1282384C Articulating part for folding supports |
| 03/29/1991 | CA2011108A1 Alternating tread ladder apparatus |
| 03/27/1991 | EP0418825A1 Device for simulating climbing |
| 03/19/1991 | US5000289 Extendable step ladder |
| 03/19/1991 | CA2025042A1 Device for simulating climbing |
| 03/12/1991 | US4998982 Metal ladder construction with reinforced side rails |
| 03/12/1991 | US4998599 Foldable ladder |
| 03/07/1991 | DE3937535C1 Joint for folding ladder - has swivel legs with ratchet disc and stop to control pivoting |
| 03/05/1991 | US4997061 A-frame |
| 02/26/1991 | US4995476 Safety attachments for ladders |
| 02/12/1991 | US4991690 Use in climbing trees |
| 02/06/1991 | CN2070808U Domastic multifunctional folding ladder |
| 02/06/1991 | CN2070807U Multifunctional telescopic ladder |
| 02/05/1991 | US4990049 Universal pickup truck bed liner, loading ramp and ladder assembly |
| 02/05/1991 | US4989692 Multi-purpose extendable and retractable ladder |