| Patents for E06C 9 - Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes (1,320) |
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| 06/18/1991 | US5024293 Emergency ladder equipment |
| 06/18/1991 | US5024291 Ladder assembly |
| 06/12/1991 | CN1052165A Improved structure of safety window grid used as oadder stand |
| 06/11/1991 | US5022491 Collapsible fire escape ladder |
| 06/04/1991 | US5020633 Emergency escape device |
| 05/28/1991 | US5018600 Extendible ladder |
| 05/07/1991 | US5012892 Escape ladder |
| 03/29/1991 | CA2011108A1 Alternating tread ladder apparatus |
| 03/28/1991 | DE3931357A1 Ladder fixed to flat roof - has pivoting transit section for safety belt slide at top rail end |
| 03/14/1991 | DE3930484A1 Travelling safety ladder assembly - has locking lug bearing against stop face under weight of occupant |
| 02/21/1991 | WO1991002136A1 Ladder with fall-guard and blocked access |
| 02/12/1991 | CA1280099C Portable fire escape |
| 01/31/1991 | DE3933598A1 Fighter aircraft cockpit access ladder - incorporates longerons made from trunks of pine trees |
| 01/01/1991 | US4981195 Alternating tread ladder apparatus |
| 12/13/1990 | WO1990015219A1 Safety device for access to a ladder from an upper floor |
| 12/12/1990 | EP0402214A1 Safety device for the access to a ladder from an upper floor |
| 11/20/1990 | US4971168 Boat side-ladder |
| 11/13/1990 | US4969620 Stud climbing/support device |
| 10/16/1990 | CA1275279C Folding, burglar tamper resistant fire escape ladder with separate release stations and safety belts with locking brackets |
| 07/25/1990 | EP0378801A1 Rolling ladder |
| 07/04/1990 | EP0376036A1 Rescue and/or work basket |
| 06/12/1990 | US4932497 Auxiliary tower climbing step |
| 05/17/1990 | WO1990005234A1 Foldable fire-escape ladder |
| 05/17/1990 | DE3838283A1 Facade lift |
| 04/24/1990 | US4919235 Fire exit system |
| 04/05/1990 | WO1990003487A1 Arrangement in fire escape ladder |
| 03/22/1990 | WO1990002863A1 Pivoting obturation panel fitted with a locking device |
| 03/13/1990 | CA1266636A1 Device for the interdiction of access on ladders |
| 02/20/1990 | US4901817 Explosive release window grille |
| 02/13/1990 | US4899847 Mobile supports |
| 01/09/1990 | US4892170 Portable ladder assembly |
| 01/03/1990 | CN2050339U Safety ladder used for escaping from high building |
| 11/30/1989 | WO1989011312A1 Emergency stairs for external mounting on buildings |
| 11/23/1989 | EP0343041A1 Electrical motor-powered ladder |
| 11/21/1989 | US4881619 Device for barring access to the top of a vertical tubular duct |
| 10/11/1989 | EP0336315A1 Device for preventing non authorised persons from climbing a ladder |
| 10/03/1989 | US4871047 Adjustable grab iron |
| 09/26/1989 | US4869520 Multipurpose hook-on platform |
| 09/26/1989 | US4869345 Radome ladder |
| 09/26/1989 | US4869342 Drive in manhole step |
| 09/20/1989 | EP0332646A1 Ladder |
| 09/19/1989 | US4867275 Escape ladder |
| 09/12/1989 | CA1259291A1 Escape ladder assembly |
| 08/01/1989 | US4852688 Collapsible ladder assembly |
| 07/11/1989 | US4846303 Two-position ladder |
| 06/27/1989 | US4842784 Method of manufacturing a climbing step with embedded reflection plate |
| 06/20/1989 | US4840761 Process for making encapsulated anchor rung |
| 06/06/1989 | CA1255274A1 Life-saving apparatus |
| 05/16/1989 | US4830142 Portable fence stile |
| 05/03/1989 | EP0314565A1 Device for preventing the upper access to a vertical tubular pipe |
| 03/28/1989 | US4815561 Escape device |
| 02/21/1989 | US4805736 Disappearing ladder |
| 01/18/1989 | EP0299363A1 Radome ladder |
| 01/03/1989 | CA1248066A1 Fire escape |
| 12/20/1988 | US4792015 Automatic escape ladder |
| 11/09/1988 | EP0290034A2 Ladder |
| 11/02/1988 | CN88200715U Semi-automatic extension ladder for building of more storeys |
| 10/20/1988 | DE3712340A1 Fastening for ladders in cable manholes |
| 10/18/1988 | US4778032 Climbing step with embedded reflection plate |
| 10/04/1988 | US4775030 Tree step |
| 09/20/1988 | US4771861 Encapsulated anchor rung and process for making same |
| 07/05/1988 | US4754841 Portable step |
| 06/21/1988 | US4751982 Foldable ladder |
| 06/02/1988 | WO1988003882A1 Ladder |
| 06/01/1988 | EP0269004A1 Device for attaching a step iron to a curved wall |
| 05/31/1988 | CA1237401A1 Collapsible ladder assembly |
| 03/08/1988 | US4729453 Portable safety post |
| 03/01/1988 | US4727696 Stable structure consisting of tubular components and posttensioned cables or other tensory elements |
| 02/24/1988 | CN87208334U Separated balcony dispersal ladder |
| 02/18/1988 | DE3626401A1 Escape apparatus |
| 01/19/1988 | US4719724 Precast concrete manhole adjustable bolt slot assembly for securing cast iron frame and cover |
| 01/05/1988 | US4716987 Swimming pool ladder securement device |
| 12/15/1987 | US4712647 Portable and collapsible platform |
| 12/10/1987 | DE3618655A1 Ladder connected to chimneys or the like |
| 12/01/1987 | US4709783 Apparatus for installing escape device for slowly lowering a body |
| 11/26/1987 | DE3715541A1 Collapsible guard rail for silo ladder - has longitudinal rods connected by hinge pins to supporting loops, to fold flat for transport |
| 10/27/1987 | US4702349 Anchor step |
| 10/27/1987 | US4702347 Folding, burglar proof fire escape ladder with separate release stations and safety belts with locking brackets |
| 10/14/1987 | EP0241009A2 Method and moulding device for producing climbing-irons for insertion into masonry work |
| 10/06/1987 | US4697669 Folding portable tree step |
| 08/05/1987 | EP0230502A2 Collapsible burglar-proof fire-escape ladder with separate release stations and safety belts with locking arms |
| 05/27/1987 | EP0223725A1 Anchor step iron and fastening method |
| 05/12/1987 | US4664225 Device for preventing access to ladders |
| 05/12/1987 | US4664224 Life-escaping steel cable ladder for high-building use |
| 04/28/1987 | US4660681 Anchor and climbing rung |
| 04/07/1987 | US4655319 Folding ladder |
| 04/07/1987 | US4655318 Step assembly |
| 03/11/1987 | EP0214069A1 Mast ladder |
| 03/04/1987 | EP0212492A1 A ladder for climbing onto the upper bed in railway vehicles cabins |
| 01/08/1987 | DE3523696A1 Device for use as a shelf system and as a rescue apparatus |
| 11/26/1986 | EP0202889A1 Fire Escape |
| 10/21/1986 | US4618464 Precast concrete manhole adjustable bolt slot for securing cast iron frame and cover and method for casting same |
| 10/21/1986 | US4618028 Tree step |
| 09/09/1986 | US4610330 Drive-in manhole step construction |
| 08/06/1986 | EP0190115A2 Foldable ladder |
| 07/22/1986 | US4601253 Offshore boarding apparatus |
| 07/22/1986 | CA1208178A1 Removable step for pallet rack |
| 07/16/1986 | CN86100405A Improvements to a folding ladder |
| 06/17/1986 | US4595075 Collapsible ladder assembly |
| 03/12/1986 | EP0174197A2 Steps |