Patents
Patents for E04F 11 - Stairways, ramps, or like structures; Balustrades; Handrails (7,719)
05/1985
05/14/1985US4516367 Modular support for stairway steps
05/14/1985CA1186865A1 Method for assembling two extrusions, related keying, and assembly thus made
04/1985
04/25/1985WO1985001769A1 Adjustable staircase
04/10/1985EP0136387A1 Technical barrier, especially for security enclosures
04/09/1985US4509881 Spindle mounting base
04/03/1985EP0135553A1 Fencing and like structures.
04/02/1985US4508321 Latticed tubular fence and method of making same
04/02/1985US4507844 T-assembly and method of obtaining same
03/1985
03/20/1985EP0134572A2 Method for putting together an assembly staircase, and a staircase realized according to this method
03/19/1985US4505456 Railing and baluster connection
03/05/1985CA1183317A1 Stair nosing
01/1985
01/29/1985CA1181566A1 Supporting tube for a tube construction and its manufacturing procedure
01/22/1985CA1181278A1 Handrail for toddlers
01/15/1985US4493579 Support tube for a tubular assembly and method for the manufacture thereof
12/1984
12/27/1984EP0129514A2 Ready-to-assemble staircase system featuring modular components
12/27/1984EP0128989A1 Underground shelter and method of constructing it
12/25/1984US4489807 Contractible escape ladder
12/19/1984EP0128880A2 Modular composable element for making stepladders
12/11/1984US4486987 Stair nosing
12/04/1984CA1178773A1 Stair structure for storage bins
11/1984
11/28/1984EP0126681A1 Prefabricated straight concrete stair
11/14/1984EP0124902A1 A method of and an apparatus for manufacturing stanchions
11/14/1984EP0124733A2 Dwelling house
11/07/1984EP0123764A1 Modular metal barriers to be set up by restraining
10/1984
10/16/1984US4477200 Multiple purpose pipe connecting brackets
10/16/1984CA1176026A1 Modular support for stairway steps
10/09/1984US4475840 Method and apparatus for connecting boat railings
10/03/1984EP0120816A2 A spiral staircase
10/02/1984CA1175273A1 Hand railing assembly
09/1984
09/19/1984EP0119118A1 Modular stairway
09/18/1984CA1174429A1 Elements to be assembled to form temporary stair
09/13/1984WO1984003532A1 Fencing and like structures
09/04/1984US4468901 Porch and stair assembly for mobile homes
08/1984
08/21/1984US4466600 Round pipe rail system
08/14/1984US4464870 For use between upper and lower levels of a structure
07/1984
07/24/1984US4461461 Non-corrosive security railing
07/17/1984CA1170879A1 Variable pitch rail system
07/11/1984EP0113329A1 Rescue device
07/05/1984WO1984002474A1 Emergency device
07/03/1984US4457398 Elements to be assembled to form temporary stair
06/1984
06/26/1984US4455797 For covering the tread nosing of a stair step
06/12/1984US4453910 Portable handrail splicing and repair apparatus
05/1984
05/29/1984US4451025 Hand railing assembly
05/29/1984CA1168073A1 Prefabricated adjustable handrail assembly
05/22/1984CA1167621A1 Modular stairway system for installation on structures having non-linear walls
05/15/1984CA1167307A1 Collapsible stair rail system
05/14/1984US4516368 Adjustable stairway element
04/1984
04/25/1984EP0106125A2 Stair assembly unit for a staircase
03/1984
03/27/1984US4438608 Stairtread for spiral staircase
01/1984
01/03/1984CA1159692A1 Press lock system for railing construction
12/1983
12/27/1983US4422270 Modular, self supporting flight of stairs
12/20/1983US4421302 Prefabricated adjustable handrail assembly
12/13/1983US4419851 Stair structure for storage bins
11/1983
11/29/1983US4417429 Freestanding stair assembly and riser therefor
11/15/1983US4415141 Wall bar
11/08/1983US4413460 Method of assembling a spiral stair case
11/02/1983EP0092568A1 Foldable or retractable ladder for mounting in a ceiling.
11/01/1983US4412407 Mounting arrangement for guard rail post
11/01/1983CA1156021A1 Stair construction element
10/1983
10/11/1983US4408749 Variable pitch railing and system
09/1983
09/27/1983US4406347 Modular staircase assembly
09/13/1983US4403767 Variable rack stair rail assembly
08/1983
08/31/1983EP0086998A1 Stepped supporting structure
08/16/1983CA1151833A1 Stairs and stair brackets
08/10/1983EP0085341A1 Variable pitch railing and system
08/09/1983US4397448 Fence post-top rail connector
08/03/1983EP0084725A1 Improvement in or relating to staircases
08/03/1983EP0084528A1 Spiral staircase
07/1983
07/20/1983EP0083770A1 Modular support for stairway steps
07/19/1983US4394718 Mounting brackets for handrail system
07/05/1983US4391031 Method of assembling two shaped sections with a cotter
06/1983
06/29/1983EP0082482A1 Stair nosing
06/28/1983US4390165 Decorative glass panel railing assembly
06/28/1983US4390164 Press lock system for railing construction
06/08/1983EP0040606B1 Element for the construction of a stair case
06/07/1983US4386761 Baluster
05/1983
05/31/1983CA1147183A1 Hand-rail element for staircases
05/25/1983EP0079476A1 Swivelling stairway, in particular for vehicles
05/17/1983US4383676 Railing system
05/17/1983CA1146623A1 Do-it-yourself assembly system
05/17/1983CA1146332A1 Stairtread for spiral staircases
05/11/1983WO1983001638A1 Foldable or retractable ladder for mounting in a ceiling
05/03/1983CA1145526A1 Self standing modular flight of stairs and related posts
04/1983
04/26/1983US4381160 Post support bracket assembly
04/26/1983CA1145110A1 Modular staircase assembly
03/1983
03/29/1983CA1143536A1 Spiral staircase
03/22/1983US4377275 Railing construction
02/1983
02/22/1983US4374584 Handrail
02/15/1983US4373609 Stairway stringers constructed of cast, readily-assembled units
02/15/1983US4373310 Staircase handrail construction
02/15/1983US4373309 Supporting bolt
02/03/1983WO1983000352A1 Spiral staircase
01/1983
01/26/1983EP0070281A1 Supporting tube for a tube construction and its manufacturing procedure.
01/19/1983EP0069797A1 Slab of natural stone for stairs, and method of manufacturing the same
01/11/1983US4367864 Newel post assembly
01/11/1983US4367613 Stairs and method of making the same
01/04/1983US4367517 Illuminated handrail arrangement
12/1982
12/21/1982CA1137733A1 Helical staircase support
12/14/1982US4363467 Fastening devices for guardrails
11/1982
11/30/1982US4361314 Device for attaching a second component to a first component in a secure but detachable manner
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