| Patents for E04F 11 - Stairways, ramps, or like structures; Balustrades; Handrails (7,719) |
|---|
| 02/12/1991 | US4991691 Stair barrier |
| 02/06/1991 | EP0411113A1 Staircase. |
| 01/22/1991 | US4985942 Swimming pool or spa |
| 01/15/1991 | US4985095 Preformed stair riser tile product |
| 01/03/1991 | DE3920970A1 Method of mounting wooden wall panel - by means of clips which grip flange of supporting angle section |
| 01/03/1991 | DE3920260A1 Uprights for supporting handrail for staircase - have clamping nuts to provide height adjustment to suit rail height |
| 12/26/1990 | CN2068118U Balcony safety frame |
| 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 |
| 12/12/1990 | EP0382798A4 Universal circular enclosure for standard strip fluorescent fixtures |
| 12/05/1990 | EP0401112A1 Device for assembling tubes |
| 12/05/1990 | CN1047549A Takedown staircase |
| 11/27/1990 | CA1276771C Convering for improving worn out steps |
| 11/22/1990 | EP0397676A1 Method for readapting dwellings. |
| 11/22/1990 | DE3916293A1 Grid wiring for fence - has grid bars with moulded loops forming openings for other wires |
| 11/08/1990 | DE3916819C1 Sound insulator for stairs - has bolts fitting through steps and coupled via end connector |
| 11/06/1990 | US4968005 Picket attachment |
| 10/25/1990 | DE3913366A1 Flexible welding jig for ornamental work - is based on building block principle and uses magnetically attached locating pieces |
| 10/10/1990 | EP0221976B1 Coating for the reconditioning of used stair steps |
| 10/04/1990 | DE3910204A1 Railing |
| 10/03/1990 | EP0390098A1 kit for railings |
| 10/02/1990 | US4959935 Adjustable stairway |
| 09/27/1990 | DE3909181A1 Stairway which is for temporary use in the carcass of a building |
| 09/26/1990 | CN2062749U Stair railing made from lime-moulded polyvinyl chloride |
| 09/25/1990 | US4958807 Decorative posts for crowd control |
| 09/13/1990 | DE3907959A1 Process for renewing the visible surfaces of a step, and parts therefor |
| 09/12/1990 | EP0386101A1 Handrail. |
| 09/06/1990 | DE3906565A1 Arcuate structural element |
| 09/04/1990 | US4953830 Railing assembly |
| 08/28/1990 | WO1990010129A1 Staircase |
| 08/28/1990 | US4952092 Tubular railing system |
| 08/28/1990 | US4951434 Pre-formed stair construction |
| 08/28/1990 | CA2027589A1 Flight of stairs |
| 08/23/1990 | DE3905477A1 Process for renewing steps, in particular wooden steps |
| 08/22/1990 | EP0382798A1 Universal circular enclosure for standard strip fluorescent fixtures |
| 08/14/1990 | US4948100 Stair rail for toddlers |
| 08/01/1990 | EP0380198A1 A takedown staircase |
| 07/31/1990 | US4944126 Attic insulating system |
| 07/24/1990 | US4943180 Interlocking corner plug system |
| 07/10/1990 | US4939876 Position adjustable handrail for use along stairways |
| 06/28/1990 | WO1990007041A1 An adjustable fastener for mounting stair units |
| 06/21/1990 | DE3842163A1 Method of renewing the visible surface of a step, and parts therefor |
| 06/19/1990 | CA2005852A1 Apparatus for connecting strut and horizontal member |
| 06/13/1990 | EP0372743A1 Mobility aid |
| 06/05/1990 | US4930754 Security railing |
| 06/05/1990 | US4930273 Multilevel modular building with scissor stairs and method of assembly |
| 05/29/1990 | US4928930 Balustrade |
| 05/29/1990 | US4928441 Attic access stairway cover |
| 05/22/1990 | US4926590 Staging |
| 05/03/1990 | WO1990004692A1 A staircase and a staircase tread member |
| 05/01/1990 | US4920717 Ornamental handrail system |
| 04/24/1990 | US4919394 Railing construction |
| 04/12/1990 | DE3930792A1 Profiled cladding for staircase step - has flange of metal angle-section fitting flush in flat rear recess |
| 04/05/1990 | DE3833388A1 Collapsible stairway, in particular for a vertically adjustable stage podium |
| 04/04/1990 | EP0362153A2 A product enabling the application of a removable protective coating to floors and similar surfaces |
| 03/29/1990 | DE3832691A1 Connector for profiles |
| 03/13/1990 | US4907387 Patio deck sheath |
| 03/08/1990 | WO1990002291A1 Universal circular enclosure for standard strip fluorescent fixtures |
| 03/06/1990 | US4905431 Flooring edge finisher |
| 02/28/1990 | EP0355090A1 Structural element |
| 02/13/1990 | US4899989 Safety arrangement for stairs |
| 02/13/1990 | US4899504 Bolted steel staircase |
| 02/08/1990 | WO1990001093A1 Handrail support system using laterally adjustable handrail |
| 02/06/1990 | US4898365 Modular barrier |
| 01/31/1990 | CN2052016U Device for constructing balcony lip |
| 01/25/1990 | DE3824387A1 Balcony and/or winter-garden extruded section for multi-storey buildings, in particular for subsequent attachment |
| 01/16/1990 | US4893442 Stairway apparatus and method of manufacture |
| 01/11/1990 | DE3823358A1 Construction for a balcony railing having alignable corner posts |
| 01/11/1990 | DE3823357A1 Construction for a balcony railing having alignable posts and pilaster/handrail connection |
| 01/09/1990 | US4892292 Non-corrosive security railing |
| 12/12/1989 | US4886245 Interlocking pivot device for adjustable ballusters |
| 12/06/1989 | EP0345213A1 Baluster |
| 11/29/1989 | EP0343599A1 Spiral staircase |
| 11/21/1989 | US4881351 Self-supporting unit element staircase |
| 11/09/1989 | DE3814134A1 Device for closing an access opening |
| 11/09/1989 | DE3813052A1 Device for assembling hollow-profile portions with a base hollow-profile portion |
| 11/02/1989 | DE3704524A1 Stairway systems consisting of plastic (transparent) and designs adequate for the material |
| 10/26/1989 | DE3812196A1 Load-bearing structure for a steel staircase |
| 10/24/1989 | US4875315 Frame for supporting stairs or the like |
| 10/24/1989 | CA1262452A1 Apparatus for indirect lighting of stairs |
| 10/19/1989 | WO1989009856A1 A component system for the construction of ground-bearing stairways, platforms, terraces, and the like |
| 10/18/1989 | EP0337649A2 A component system for the construction of ground-bearing stairways, platforms, terraces, and the like |
| 10/18/1989 | EP0337392A2 Storey-high concrete staircase element with a U-section |
| 10/11/1989 | EP0336863A1 New type of open-riser stair |
| 10/11/1989 | EP0336601A2 Decorative lighting system |
| 10/11/1989 | EP0336315A1 Device for preventing non authorised persons from climbing a ladder |
| 10/03/1989 | US4870793 Support base system for architectural panels |
| 09/28/1989 | DE3808705A1 Process and installation for the continuous production of profiled bars, for example handrail profiles, from plastic |
| 09/27/1989 | EP0334104A1 Improvements in or relating to edge finishers |
| 09/26/1989 | US4869467 Internally supported retaining element and method of using |
| 09/26/1989 | US4869035 Non-linear stair |
| 09/26/1989 | US4869034 Sectional circular staircase |
| 09/19/1989 | US4866894 Stairway construction device |
| 08/22/1989 | US4858404 Cleat for finishing off the ceramic tiles on a step |
| 08/17/1989 | DE3803077A1 Covering for a stair |
| 08/15/1989 | US4858087 Universal circular enclosure for standard strip fluorescent fixture |
| 08/15/1989 | US4856761 Position adjustable handrail for use along stairways |
| 08/08/1989 | US4854549 Newel post fastener and rail attachment |
| 08/08/1989 | US4854548 Decorative posts for crowd control |
| 07/25/1989 | US4850164 Multi-unit stair construction and method |