Patents
Sitemap › E04 - Building › E04F - Finishing work on buildings, e.g. stairs, floors › E04F 11 - Stairways, ramps, or like structures; Balustrades; Handrails
Patents for E04F 11 - Stairways, ramps, or like structures; Balustrades; Handrails (7,719)
11/1982
11/23/1982US4360557 Laminate with phosphorescent pigment particles
11/23/1982US4360285 Rail and post connector
11/23/1982US4359851 Deck apparatus
11/23/1982CA1135930A1 Self-supporting outer metallic stairway
11/02/1982CA1134589A1 Beveled lobe anti-skid grating and method of manufacturing same
10/1982
10/26/1982US4355700 Modular stairway system for installation on structures having non-linear walls
10/12/1982US4353529 Impact absorbing handrail and end cap
10/06/1982EP0061707A1 Prefabricated coverings for stair treads
10/05/1982US4352485 Variable rack stair rail assembly
09/1982
09/28/1982US4351469 Method of making railing
09/15/1982EP0060014A1 Modular, self-supporting flight of stairs
09/14/1982CA1131480A1 Balustrade construction
09/02/1982WO1982002918A1 Stairs and method of making same
09/01/1982EP0058722A1 Bracket and handrail combination
08/1982
08/31/1982US4346872 Balustrade construction
08/18/1982EP0057727A1 Handrail coping
08/17/1982US4344719 Internally expanding railing coupling
08/17/1982US4344604 Variable rake stair rail assembly
08/17/1982US4344505 Insulation cap for disappearing stairwells
08/10/1982US4343120 Stair structure for swimming pools
08/10/1982US4343119 Beveled lobe anti-skid grating
08/05/1982WO1982002569A1 Supporting tube for a tube construction and its manufacturing procedure
08/04/1982EP0057168A1 Assembling elements for provisional stairways
07/1982
07/27/1982CA1128351A1 Railing and method of making the same
07/13/1982US4338751 Knockdown spiral stairway
06/1982
06/29/1982CA1126584A1 Sectional construction strip, more particularly sectional strip for the production of window frames
06/16/1982EP0053926A1 Apparatus for use in the building of frameworks
06/15/1982US4334671 Guard-rails assembly
06/09/1982EP0053371A2 Stair step and method for its production
06/01/1982CA1124543A1 Externally reinforced concrete stairs
05/1982
05/11/1982US4328880 Circular ladder
04/1982
04/14/1982EP0049645A2 T-assembly and method to obtain it
04/13/1982CA1121569A1 Freestanding stair assembly and riser therefor
04/06/1982US4322927 Method of making staircases and staircase made thereby
03/1982
03/23/1982US4321294 Stair mat
03/23/1982US4321293 Stair mat
03/09/1982US4318951 Stair mat
03/09/1982CA1119442A1 Crash rail
02/1982
02/16/1982US4315389 Self-supporting outer metallic stairway
02/09/1982CA1117993A1 Handrail and crash rail
01/1982
01/27/1982EP0044584A1 Method of assembling two sections
01/26/1982US4312423 Packaging and energy saving devices and methods
01/06/1982EP0043120A1 Method of restoring used or deformed floor surfaces particularly of wood, such as stair steps
12/1981
12/22/1981USRE30830 Portable riser
12/02/1981EP0040606A1 Element for the construction of a stair case.
11/1981
11/12/1981WO1981003197A1 Bracket used for handrail coping
10/1981
10/29/1981WO1981003042A1 Handrail coping
10/28/1981EP0038428A2 Head mounting for ladders and collapsible loft stairs
10/27/1981US4296577 Helical staircase support
10/20/1981US4295638 Newal post assembly
10/06/1981US4293122 Pipe railing system
09/1981
09/15/1981US4289819 Step tread plate
09/15/1981US4289303 Hand-rail element for staircase
09/01/1981US4286508 Combination staircase and attic fan means
08/1981
08/25/1981US4285178 Self-supporting staircase with center post consisting of individual structural elements
08/25/1981US4285177 Reinforced tread assembly
08/12/1981EP0033502A1 Stairway step
08/05/1981EP0033045A1 Prefabricated straight stairway
08/04/1981US4281743 Insulating enclosure for disappearing stairway
08/04/1981US4281492 Sectional construction strip, e.g. for the production of window frames
06/1981
06/30/1981US4275492 Method of disassembly of jointed structure
06/11/1981WO1981001584A1 Element for the construction of a stair case
06/09/1981US4272061 Variable pitch rail system
05/1981
05/06/1981EP0028193A1 System for self-assembly of furniture or other objects, and panels, furniture and miscellaneous objects realized by this system
04/1981
04/21/1981US4263495 Method of splicing optical fibers by CO2 -laser
04/21/1981US4262883 Fence construction for livestock
04/14/1981US4261550 Foldable handrail structure
04/07/1981CA1098747A1 Jointed structure components therefor, and method of disassembly thereof
04/01/1981EP0026166A1 A device for attaching a second component to a first component in a secure but detachable manner
03/1981
03/24/1981CA1097878A1 Ship ladder
03/17/1981US4256287 Handrail and method of making the same
03/17/1981US4255913 Hollow sleeve brackets
03/03/1981US4253287 Step walker
02/1981
02/17/1981US4250672 Externally reinforced concrete stairs
02/03/1981US4248020 Precast concrete stairway module
01/1981
01/13/1981US4244154 Staircase and method of construction
01/13/1981CA1093335A1 Prefabricated stairway module
01/07/1981EP0021591A2 Anti-slip grating
01/06/1981US4243207 Free standing portable stairway railing device
12/1980
12/24/1980WO1980002856A1 Beveled lobe anti-skid grating and method of manufacturing same
12/09/1980US4238117 Railing and method of making the same
12/02/1980CA1090639A1 Guard-rails assembly
11/1980
11/26/1980EP0019266A1 Stair
10/1980
10/14/1980CA1087361A1 Stairs and method of making the same
10/07/1980US4226065 Stair construction and method for making same
09/1980
09/23/1980CA1086022A1 T-shaped structural joint
09/04/1980WO1980001819A1 Spiral staircase and process for assembling it
09/02/1980US4220316 Top rail for use on railing construction
08/1980
08/20/1980EP0014694A1 Self-supporting exterior metal stairway
08/20/1980EP0014571A2 Stair mat
07/1980
07/23/1980EP0013639A1 Connecting means for the ramp sections of a spiral staircase
07/09/1980EP0013184A1 Stair mat
05/1980
05/28/1980EP0011470A1 Stair mat
05/28/1980EP0011469A1 Stair mat
05/28/1980EP0011468A1 Stair mat
05/20/1980CA1077671A1 Modular stairway system for installation on structures having non-linear walls
05/13/1980US4202532 Jointed structure, combination of members therefor, and method of disassembly thereof
04/1980
04/29/1980US4200261 Handrail and crash rail
04/22/1980US4199040 Ship ladder
04/08/1980US4196552 Crash rail
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