| Patents for E06C 1 - Ladders in general (5,355) |
|---|
| 08/03/1989 | DE3801435A1 Telescopic ladder |
| 08/01/1989 | US4852688 Collapsible ladder assembly |
| 07/26/1989 | EP0324885A1 An adjustable folding ladder |
| 07/26/1989 | CN2041724U Portable multipurpose ladder |
| 07/19/1989 | CN2041357U Structure of folding stairway |
| 07/19/1989 | CN2041356U Multifunctional ladder-chair |
| 07/18/1989 | US4848515 Portable swimming pool step device |
| 07/11/1989 | US4846306 Flexible, narrow rung rope ladder for emergency escape |
| 07/04/1989 | US4844207 Tree ladder |
| 07/04/1989 | US4844199 Stair climbing aid |
| 07/04/1989 | CA1256834A1 Suspension ladder |
| 06/28/1989 | CN2040136U Multifunctional household folding ladder |
| 06/27/1989 | US4842099 Foldable ladder |
| 06/27/1989 | US4842098 Adjustable folding ladder |
| 06/15/1989 | WO1989005390A1 Folding steps |
| 06/07/1989 | CN2038948U 铝合金万能折叠梯 Universal aluminum folding ladder |
| 06/06/1989 | CA1255274A1 Life-saving apparatus |
| 05/30/1989 | US4834216 Foldable ladder structure and method of manufacturing the same |
| 05/18/1989 | DE3737481A1 Ladder articulation |
| 05/16/1989 | US4830142 Portable fence stile |
| 04/25/1989 | US4824278 Positioning joint for folding ladders |
| 04/20/1989 | DE3806243C1 Double-step ladder |
| 04/18/1989 | US4821843 Folding ladder |
| 04/12/1989 | EP0310884A1 Folding ladder |
| 04/06/1989 | WO1989002849A1 Underwater stairs |
| 04/06/1989 | DE3732788A1 Set of mobile safety steps |
| 03/28/1989 | US4815564 Folding ladder |
| 03/01/1989 | CN1031333A Mobile folding choral riser |
| 02/22/1989 | CN2033043U 伸缩梯 Telescopic ladder |
| 02/21/1989 | US4805737 Ladder positioning mechanism |
| 02/15/1989 | CN2032647U Insutation box type elevator |
| 02/09/1989 | WO1989001084A1 Mobile folding choral riser |
| 02/08/1989 | CN2032244U Multi purpose metallic foldable ladder |
| 02/01/1989 | EP0301821A1 Foldable ladders |
| 01/26/1989 | DE3723037A1 Multipurpose ladder |
| 01/18/1989 | EP0299363A1 Radome ladder |
| 01/18/1989 | CN2031033U Foldable ladder |
| 01/17/1989 | US4798262 Ladder |
| 01/10/1989 | US4796727 Folding step ladder |
| 12/29/1988 | DE3719953A1 Ladder for spanning a roof ridge |
| 12/28/1988 | EP0296916A1 Modular building element, particularly for ladders or seaffolding |
| 12/21/1988 | EP0295314A1 Ladder attaching device |
| 12/20/1988 | US4792016 To a utility pole |
| 11/29/1988 | US4787476 For positioning a person in a tree |
| 11/22/1988 | US4785912 Folding ladder |
| 11/09/1988 | EP0290034A2 Ladder |
| 11/02/1988 | CN87216144U Multifunctional ladder with wheels |
| 10/25/1988 | CA1243464A1 Method of producing scaffolds, especially ladders |
| 09/27/1988 | US4773503 Ladder hinge |
| 09/13/1988 | US4770559 Positioning joint for folding ladders |
| 09/06/1988 | US4768617 Adjustable stairway having retractable wheel carriage |
| 08/31/1988 | CN87205230U Multifunction detachable ladder |
| 08/24/1988 | CN87216145U Multifunctional ladder for working frame |
| 08/17/1988 | CN87100654A Telescopic walking stilt device |
| 08/11/1988 | DE3704391A1 Ladder-securing means |
| 08/10/1988 | EP0277800A2 Electrical connector |
| 08/10/1988 | CN87215091U Multi-purpose folding ladder |
| 08/09/1988 | US4762200 Tree ladder |
| 08/04/1988 | DE3702200A1 Stepladder |
| 07/28/1988 | DE3700855A1 Platform |
| 07/19/1988 | US4757876 Foldable tail gate step assembly |
| 07/14/1988 | DE3717202C1 Domestic stepladder |
| 07/05/1988 | US4754845 Step ladder |
| 06/21/1988 | CA1238301A1 Work-step for extension ladder |
| 06/16/1988 | DE3641845A1 Articulation arrangement for multipurpose ladders |
| 06/14/1988 | US4750587 Ladder and method of using ladder for escape |
| 06/08/1988 | EP0269936A1 Elevated mobile workstation |
| 05/31/1988 | US4747243 Collapsible porch |
| 05/31/1988 | CA1237402A1 Ladder construction |
| 05/11/1988 | CN87214364U Component light wall brick |
| 04/20/1988 | CN87204225U Multi-purpose folding bamboo summer sleeping bed |
| 04/20/1988 | CN87106048A Articulate element for foldable support |
| 04/13/1988 | EP0263628A2 Collapsible structure convertible to a load-supporting device |
| 03/31/1988 | DE3632971A1 Ladder system for difficult work on trees around the house, on slopes, in gardens and in parks - where lifting platforms cannot be used |
| 03/10/1988 | WO1988001676A1 Hinge element for a folding support |
| 03/10/1988 | DE3629459A1 Ladder with one string |
| 03/08/1988 | US4729453 Portable safety post |
| 03/08/1988 | CA1233798A1 Safety ladder |
| 03/01/1988 | US4727960 Support structure |
| 03/01/1988 | US4727696 Stable structure consisting of tubular components and posttensioned cables or other tensory elements |
| 02/25/1988 | DE3629460C1 Dismantleable ladder with a central string which is made up of pieces |
| 02/25/1988 | DE3628447A1 Inclined hoist, in particular furniture lift |
| 02/18/1988 | DE3627303A1 Climbing apparatus |
| 02/09/1988 | US4723631 Foldable ladder |
| 02/02/1988 | US4722420 Special purpose ladder |
| 01/19/1988 | US4719990 Step ladder for stairs |
| 01/14/1988 | DE3621407A1 Stepladder |
| 01/07/1988 | DE3639698A1 Stepladder |
| 12/17/1987 | DE3713379A1 Device to be used by a disabled or weak individual |
| 12/08/1987 | US4711282 Portable and collapsible stair |
| 12/02/1987 | EP0247101A1 Safety rope designed as a rope ladder. |
| 12/02/1987 | CN87204049U Folding type ladder |
| 11/17/1987 | US4706780 Ladder attaching device |
| 11/11/1987 | EP0244668A2 Ladder arrangement with extendable ladder sections, particularly a fire ladder |
| 11/04/1987 | EP0243765A1 Ladder arrangement with extendable ladder sections |
| 10/13/1987 | US4699248 Collapsible and portable observation stand |
| 10/13/1987 | US4699246 Multipurpose ladder |
| 10/06/1987 | US4697305 Release mechanism for locking hinge for multi-positioned ladder |
| 10/06/1987 | CA1227774A1 Folding ladder with three stiles |
| 09/22/1987 | CA1227172A1 Ladder locking mechanism |