| Patents for E04F 11 - Stairways, ramps, or like structures; Balustrades; Handrails (7,719) |
|---|
| 03/18/1980 | US4193586 Hand rail |
| 03/18/1980 | US4193585 Handrail assembly for curved staircase |
| 03/18/1980 | US4193229 Handrail for telescoping seating system with removable rails |
| 03/04/1980 | US4190992 Spiral staircase |
| 02/12/1980 | US4188019 Fencing construction |
| 02/06/1980 | EP0007431A1 Profile member, especially for the production of window frames, and process for the manufacture of this profiile member |
| 01/01/1980 | US4181293 Handrail support hardware |
| 12/25/1979 | US4180142 Emergency escape openable skylight |
| 12/25/1979 | CA1068467A Structural improvements for stairs or stairs with variable geometry |
| 11/27/1979 | CA1066933A1 Railing joint |
| 11/20/1979 | CA1066533A1 Stair nosing structure |
| 10/31/1979 | EP0004964A1 Post comprising a transversal top member |
| 10/17/1979 | EP0004604A1 Stair tread and method for its manufacture |
| 10/09/1979 | US4170342 Pivotal roof fence apparatus |
| 10/02/1979 | CA1063402A1 Stairway safety suspension support means |
| 09/25/1979 | US4168764 Level step stair walkway |
| 09/11/1979 | US4167085 Mounting assembly for gem blanks |
| 07/17/1979 | US4161769 Illuminated hand rail |
| 06/12/1979 | US4157742 Accommodation ladder arrangements |
| 05/29/1979 | US4156522 Jointing members of building structures |
| 05/22/1979 | US4155540 Suspended rail |
| 05/15/1979 | US4154032 Stairs and method of making the same |
| 05/08/1979 | US4153234 Wall supported handrail assembly |
| 05/01/1979 | CA1053629A1 Fire escape to be attached to the outside of a building |
| 04/24/1979 | US4151320 Flexible non-skid strip with upwardly projecting portion for stair edge |
| 04/24/1979 | US4150907 Stanchion connector assembly |
| 04/17/1979 | US4149701 Tubular fence |
| 03/27/1979 | US4146212 Metal railing |
| 03/13/1979 | US4143740 Modular stairway system for installation on structures having non-linear walls |
| 02/20/1979 | CA1048917A1 Folding handrails for telescoping seating sections |
| 02/13/1979 | CA1048436A1 Telescopic stairway with variable sloping__ |
| 02/06/1979 | US4138094 Adjustable railing assembly |
| 01/23/1979 | US4135508 Stairway stringers |
| 01/02/1979 | US4132391 Means for forming a structure of an optional curve |
| 12/19/1978 | CA1044669A1 Metallic ladder |
| 12/12/1978 | US4128976 Spiral stair kit |
| 12/05/1978 | CA1043526A1 Staircase with small base area |
| 11/14/1978 | US4125249 Railing joint |
| 11/14/1978 | US4125175 Staircase with small base area |
| 11/14/1978 | US4124957 Structural improvements for stairs or stairs with variable geometry |
| 11/14/1978 | CA1042335A1 Portable riser |
| 10/31/1978 | CA1041337A1 Tubular fence |
| 10/17/1978 | CA1040383A1 Self-adjusting stair |
| 10/10/1978 | US4118908 Spiral staircase |
| 09/19/1978 | CA1038672A1 Interlocking handrail construction for balustrades |
| 09/12/1978 | US4112641 Stair nosing structure |
| 09/12/1978 | CA1038129A1 Playing surface |
| 09/05/1978 | US4112195 Laminable convertible molding for hand rails and the like |
| 08/22/1978 | US4108422 Arrangement for supporting a railing and the like |
| 08/15/1978 | US4106591 Knock-down open riser stairway |
| 08/01/1978 | US4104000 Arrangement for supporting a railing and the like |
| 08/01/1978 | US4103874 Railing assembly |
| 07/25/1978 | US4102529 Railing system |
| 07/18/1978 | US4100995 Telescopic set of steps with variable slope |
| 06/27/1978 | US4096923 Fire escape to be attached to the outside of a building |
| 06/06/1978 | US4093499 Apparatus for producing flexible non-skid strip |
| 04/11/1978 | US4083641 T-Shaped structural joint |
| 04/11/1978 | US4083536 Adjustable railing |
| 03/14/1978 | US4078773 Hand rail and wall bumper structure |
| 03/07/1978 | US4077825 Method of producing a flexible non-skid strip |
| 02/28/1978 | US4076102 Trap door and folding ladder arrangement |
| 02/14/1978 | US4073478 Fence structure |
| 02/14/1978 | US4073477 Railing with interfitting rectangular and curved cross section members |
| 02/07/1978 | US4072294 Tubular fence |
| 01/10/1978 | US4067548 Railing |
| 12/06/1977 | US4060947 Flexible non-skid strip with reinforcing web member |
| 11/22/1977 | US4058942 Flexible non-skid strip with fluorescent surface portions |
| 10/18/1977 | US4054268 Glass panel railing |
| 10/11/1977 | US4053140 Fiber reinforced plastic handrail system |
| 10/11/1977 | US4053028 Apparatus suitable for use as stairways, stepladders and the like |
| 09/27/1977 | US4050828 Method of interlocking a lateral member and the end of a hollow post and the joint construction used therein |
| 09/27/1977 | US4050203 Stairs and railing system for multi-floored buildings and method of constructing same |
| 08/30/1977 | US4045003 Support devices for stanchions |
| 08/16/1977 | US4041662 Staircases |
| 08/02/1977 | US4038802 Tubular spindle cover |
| 07/26/1977 | US4037374 Stair nosing structure |
| 07/19/1977 | US4035978 Tubular spindle cover |
| 07/19/1977 | US4035970 Prefabricated modular helical escape structure for multiple story buildings |
| 07/12/1977 | US4034525 Stair structure |
| 06/21/1977 | US4030255 Folding handrail system for telescoping seating systems |
| 06/14/1977 | US4029352 Foldable hand rail |
| 06/07/1977 | US4027855 Guard rail |
| 04/19/1977 | US4018300 Stairs |
| 04/05/1977 | US4015826 Adjustable mounting assembly for railing |
| 04/05/1977 | US4015687 Step bracket |
| 03/29/1977 | US4014520 Railing assembly and method |
| 03/15/1977 | US4011700 Adjustable-height post assembly for ready installation on a window frame or the like |
| 02/15/1977 | US4007918 Prefabricated fence |
| 02/08/1977 | US4006885 Modular fence and hand rail |
| 01/25/1977 | US4004384 Stairway unit |
| 01/18/1977 | US4003450 Small structural building component |
| 01/11/1977 | US4002322 Interlocking handrail construction for balustrades |
| 01/11/1977 | US4001991 Stair nosing structure |
| 01/04/1977 | US4000883 Railing construction |
| 11/30/1976 | US3994113 Stairs and railing system for multi-floored buildings and method of constructing same |
| 11/23/1976 | US3992832 Stairway safety suspension support means |
| 11/16/1976 | US3991982 Balustrade with means for connection of balusters to a rail |
| 11/16/1976 | US3991981 Balustrade with adjustable supporting balusters |
| 11/09/1976 | US3990185 Hanger bars |
| 10/19/1976 | US3986579 Stairway construction |