| Patents for E04F 11 - Stairways, ramps, or like structures; Balustrades; Handrails (7,719) |
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| 08/18/1992 | CA1306339C Metal support bracket for a side rail for a deck |
| 08/13/1992 | DE4102814A1 Prefab. staircase - has acoustic insulation provided by ribbed double angle section |
| 08/11/1992 | US5137114 Stair track device |
| 08/11/1992 | US5136770 Corner modules and articulate connectors for balustrade handrail constructions and constructions incorporating the same, and methods for partial factory pre-fabrication and for on-site fabrication and installation of the same |
| 08/05/1992 | EP0496914A1 Covering element to cover stair treads which require renovation |
| 08/04/1992 | US5134820 Adjustable built-up stair |
| 07/23/1992 | DE4200731A1 Flower-box railing for terraces - is designed to save space and weight |
| 07/23/1992 | DE4101098A1 Inbuilt illumination for stairway steps - consists of lighting strips formed from light conductors set into ceramic tiling and cross=section shaped to ensure retention and provide side lighting |
| 07/22/1992 | EP0495577A1 Balustrades |
| 07/22/1992 | EP0494893A1 Dogleg stairs. |
| 07/21/1992 | US5131197 Mounted stairway |
| 07/16/1992 | DE4100921A1 Gangway from ship to quay - comprises hinging steps coupled to common adjusting member via levers |
| 07/13/1992 | CA2059064A1 Balustrades |
| 07/01/1992 | EP0493325A1 Fixing device for a post |
| 06/30/1992 | USRE33975 Method of installation of hardware |
| 06/24/1992 | EP0386101B1 Handrail |
| 06/23/1992 | US5123210 Flight of stairs |
| 06/10/1992 | EP0489251A1 Method for manufacturing stairs with stringers |
| 06/10/1992 | EP0411113B1 Staircase |
| 05/26/1992 | US5116025 Cantilevered, retractable handrail |
| 05/20/1992 | EP0485757A1 Construction kit for manufacture of handles, hand vails, guard barriers, small furniture and the like |
| 05/12/1992 | US5111908 Pipe step |
| 05/12/1992 | US5111906 Retractable ladder apparatus |
| 05/12/1992 | CA1300337C Modular support for staircase steps |
| 05/06/1992 | CN2103604U Adjustable stairway balustrades |
| 04/30/1992 | DE4034331A1 Staircase for use on building site - has individual steps supported on brackets nailed to wooden side members |
| 04/28/1992 | CA1299339C Returned stair tread having moisture compensated joint |
| 04/22/1992 | CN2102326U Adjustable staircase handle |
| 04/21/1992 | US5107408 Lighting system |
| 04/14/1992 | US5103934 Method and apparatus for providing a fire escape for a multi-story building |
| 04/14/1992 | US5103608 Non-slip luminescent device for surfaces such as stair treads |
| 03/31/1992 | US5100108 Guard fence system |
| 03/31/1992 | CA1298057C Post cover |
| 03/24/1992 | US5099402 Handrail illumination system |
| 03/17/1992 | US5095668 Newel post fastening system |
| 02/19/1992 | CN2096595U Structure improved stairs skid board |
| 02/18/1992 | US5088248 Stairtread with positioning and locking mechanism |
| 02/18/1992 | US5088247 Returned stair tread having moisture compensated joint |
| 02/17/1992 | WO1992003625A1 A self-supporting spiral stairway and a method of producing same |
| 02/17/1992 | CA2089546A1 Self-supporting spiral stairway and a method for producing same |
| 02/11/1992 | US5086595 Stair support system |
| 02/11/1992 | CA2048711A1 Ceiling ladder |
| 02/11/1992 | CA1295453C Self-supporting unit element staircase |
| 02/04/1992 | US5085020 Portable, assemblable-disassemblable staircase |
| 01/15/1992 | EP0466589A1 Handrail |
| 01/15/1992 | EP0466005A1 Supporting bracket for railing-tubes |
| 01/02/1992 | DE4019429A1 Stairway structure for building - comprises several cylindrical inflatable bodies of differing heights |
| 12/31/1991 | US5076547 Apparatus and method for collapsible handrail |
| 12/31/1991 | US5076545 Child's banister guard |
| 12/07/1991 | CA2038558A1 Adjustable stair rail |
| 11/26/1991 | CA1292354C Frame for supporting stairs or the like |
| 11/21/1991 | EP0457080A1 Dowel fixing for supporting members of steps or for similar heavy members |
| 11/19/1991 | US5065837 Handrail for aiding visually handicapped |
| 11/14/1991 | DE4014875A1 Prefabricated grid forming staircase step - has side plates in one piece bent inwards at top and slotted |
| 11/14/1991 | DE4014548A1 Illuminated ceramic tile for stairway - has formed slot to receive strip lighting element |
| 11/05/1991 | US5062732 Tubular welded railing system |
| 10/31/1991 | WO1991016513A1 Hand-rail for use in ships, buildings, etc. |
| 10/30/1991 | EP0454527A1 Wooden staircase with double central stringers |
| 10/29/1991 | US5060438 Method and apparatus for supporting a tile counter cap support strip |
| 10/24/1991 | DE4112923A1 Clamping device for fixing glass panels - has right-angled support web on one clamping jaw |
| 10/22/1991 | US5058339 Curved stairway and method |
| 10/22/1991 | CA1290962C Newel post fastener and rail attachment |
| 10/18/1991 | CA2080827A1 Hand-rail for use in ships, buildings, etc. |
| 10/17/1991 | WO1991015642A1 Improvements relating to scaffolding |
| 10/16/1991 | EP0452017A1 Stair aid |
| 10/15/1991 | US5056283 Adjustable stair rail |
| 10/02/1991 | EP0449091A1 Staircase well equipment for a folding loft ladder with lateral arms |
| 10/01/1991 | CA1289722C Cleat for finishing off the ceramic tiles on a step |
| 09/25/1991 | CN2085389U Adjustable protector for flowerpot on balcony |
| 09/24/1991 | US5051289 Preformed stair riser title product |
| 09/24/1991 | US5050706 Ceiling ladder |
| 09/17/1991 | US5048639 Portable cooler assembly |
| 09/05/1991 | WO1991013222A1 Improved balustrade anchorage assembly |
| 08/06/1991 | CA1287320C Device for transporting loads between various elevations |
| 07/30/1991 | US5035401 Wood railing with metal foundation |
| 07/09/1991 | US5029820 Wedge-adjustable base for rail posts and the like |
| 07/09/1991 | US5029818 Rail system for stairs, balconies and the like |
| 07/09/1991 | CA1285739C Post holder bracket |
| 06/25/1991 | US5026028 Apparatus for connecting strut and horizontal member |
| 06/25/1991 | CA1285162C Non-corrosive security railing |
| 06/22/1991 | CA2013664A1 Apparatus and method for collapsible handrail |
| 06/20/1991 | DE3940626A1 Balcony side panel attachment to supporting beam - involves several screws with ends of different dia. |
| 06/11/1991 | US5022198 Stair edge identifier |
| 06/11/1991 | US5022197 Stairway safety bars |
| 05/29/1991 | DE3939206A1 Staircase-step overhanging support - has parallel reinforcing bars protruding from step and grouted into wall |
| 05/23/1991 | DE4027932A1 Tubular banister post with screwed socket - has stud welded to tube outside, passing through horizontal, elongated hole in socket |
| 05/14/1991 | US5014475 Step module for use in constructing stairways |
| 04/30/1991 | US5010699 Modular stair support fixtures having alternate packaging usage |
| 04/23/1991 | US5009045 Plank structure for boat dock and the like |
| 04/18/1991 | WO1991005125A1 A railing assembly |
| 04/18/1991 | WO1991005123A1 Picket attachment |
| 04/10/1991 | EP0420978A1 Underwater stairs |
| 04/05/1991 | WO1991005122A1 Dogleg stairs |
| 04/05/1991 | CA2067369A1 Dogleg stairs |
| 03/29/1991 | CA2026464A1 Railing assembly |
| 03/27/1991 | CN1050244A Staircase hand rail with inorganic ersatz substituted for wood and its manufacturing method |
| 03/14/1991 | DE3930025A1 Entry ramp for cars; - has hump at bottom end of flat lengthwise recess in surface |
| 03/12/1991 | US4998391 Structural element |
| 02/26/1991 | US4995205 Precast stair system |
| 02/19/1991 | US4994944 Decorative lighting system |