| Patents for E04F 11 - Stairways, ramps, or like structures; Balustrades; Handrails (7,719) |
|---|
| 10/28/1987 | EP0243093A2 Non-linear stair |
| 10/01/1987 | DE3607638A1 Newel-type spiral staircase |
| 09/29/1987 | US4696372 Portable step and carrying device for stud walls |
| 09/24/1987 | DE3609776A1 Residential unit which can be assembled and dismantled using prefabricated, large-format structural elements |
| 09/24/1987 | DE3608850A1 Concrete coupling railings |
| 09/08/1987 | US4691897 Rail lock device for tubular fence |
| 09/01/1987 | US4690383 Panel rail system |
| 08/26/1987 | EP0233487A2 Profiled border associated with a floor layer and a front face for covering stair steps to be repaired |
| 08/25/1987 | US4688768 Extendable railing |
| 08/13/1987 | DE3604305A1 Handrail for spiral newel staircases and spiral staircases made entirely of wood |
| 08/13/1987 | DE3603717A1 Articulated connection for at least two tubes |
| 08/06/1987 | DE3603458A1 Set of structural elements for a fence, a grille, a railing or similar delimiting means |
| 07/07/1987 | US4677799 Multi-sectional raceway |
| 06/10/1987 | EP0224918A2 Method to renovate the visible faces of a worn wooden staircase, and metal slat for carrying out the method |
| 05/26/1987 | US4667935 Metal fencing, gratings and the like employing novel interconnecting means and method of assembly |
| 05/21/1987 | DE3539449A1 Connection of lightweight metal profiles with connecting elements |
| 05/20/1987 | EP0221976A1 Coating for the reconditioning of used stair steps. |
| 05/12/1987 | US4664227 To stabilize/assist a person entering/exiting the recreational vehicle |
| 05/07/1987 | DE3634636A1 Sleeve for releasably fitting together two pipes which are arranged at an angle with respect to one another |
| 04/28/1987 | US4660335 Spiral staircase arrangement |
| 04/23/1987 | DE3543535C1 Securing means for the wall-side ends of the tread boards of a stairway |
| 04/21/1987 | US4658555 Attic hatchway insulating cover |
| 04/16/1987 | DE3536901A1 Railing for industrial buildings |
| 04/07/1987 | US4655017 Wooden circular stair with balustrade and method for fabricating the same |
| 03/31/1987 | US4653952 Fabricated tee |
| 03/17/1987 | US4650164 Internally clamped handrail system |
| 03/03/1987 | US4646490 Top rail for use with handrails |
| 02/24/1987 | US4645037 Elevator escape structure |
| 02/17/1987 | US4642953 Moveable stair apparatus |
| 02/12/1987 | WO1987000881A1 Angular assembly of sections |
| 01/20/1987 | US4637589 Bi-section adjustable connector bridging an opened handrail |
| 01/13/1987 | US4635416 Metal channel apparatus and method for forming a stairway |
| 12/30/1986 | US4631880 Adjustable staircases |
| 12/30/1986 | EP0206986A2 Running-board, particularly light metal plank, and method of manufacture |
| 12/09/1986 | US4627200 Recessed mortise stair |
| 11/25/1986 | US4625266 Lightable nosing bar assembly for stairways |
| 11/25/1986 | US4624374 Universal connector |
| 11/20/1986 | WO1986006778A1 Coating for the reconditioning of used stair steps |
| 11/18/1986 | US4623128 Fencing and like structures |
| 11/18/1986 | US4623126 Perimeter fence for above-ground swimming pools |
| 11/18/1986 | CA1214074A1 Emergency exit apparatus |
| 11/12/1986 | CA1213767A1 Stairs and balcony railing |
| 10/28/1986 | US4619084 Articulating, self-supporting staircase |
| 10/15/1986 | EP0197309A2 Profiled listel for staircase edges and method for its production |
| 10/07/1986 | US4615275 Emergency exit apparatus |
| 10/07/1986 | US4615160 Adjustable staircase |
| 09/24/1986 | EP0195666A2 Spiral staircase |
| 09/16/1986 | US4612606 Apparatus for indirect lighting of stairs |
| 08/20/1986 | EP0191708A1 Adjustable spiral staircase |
| 07/29/1986 | US4602766 Top rail of a handrail |
| 07/29/1986 | US4602464 Residential building |
| 07/08/1986 | US4598524 Foundation of the handrail |
| 07/02/1986 | EP0186272A1 Joint structure for a structural bar assembly |
| 06/24/1986 | US4596104 Joint structure for a structural bar assembly |
| 06/10/1986 | US4593503 Adjustable stair guide and support |
| 05/28/1986 | EP0092568B1 Foldable or retractable ladder for mounting in a ceiling |
| 05/13/1986 | US4587780 Spiral staircase |
| 05/07/1986 | CN85202027U Electric arm rest for walking up the stairs |
| 05/06/1986 | US4586697 Balustrade construction |
| 05/06/1986 | US4586585 Longitudinally extensible stringer and stairway |
| 05/06/1986 | US4586310 Angled assembly of profiles for tongue and groove fitting and key locking |
| 04/29/1986 | US4585214 Decorative rails and method for assembling same |
| 04/22/1986 | US4583335 Ready-to-assemble staircase system featuring modular components |
| 04/22/1986 | US4583334 Modular carrier for stair tread |
| 04/09/1986 | EP0177379A1 Prefabricated element for the construction of a staircase and staircases so made |
| 04/09/1986 | EP0176958A2 Formwork element with a hollow block configuration |
| 03/26/1986 | EP0070281B1 Supporting tube for a tube construction and its manufacturing procedure |
| 01/29/1986 | EP0058722B1 Bracket and handrail combination |
| 01/28/1986 | US4567074 Lightweight, wooden |
| 01/14/1986 | CA1199158A1 Fixing mechanism for stair units facilitating adjustment of height |
| 12/10/1985 | US4557467 Elbow of staircase hand rail |
| 12/10/1985 | US4557085 Fixing mechanism for stair units facilitating adjustment of height |
| 12/04/1985 | EP0163363A1 Fitting for structural pipe |
| 12/04/1985 | EP0163205A2 Brick for ceiling or stair |
| 12/03/1985 | US4556201 Handrail for toddlers |
| 12/03/1985 | CA1197403A1 Variable pitch railing and system |
| 11/06/1985 | EP0160022A1 Adjustable staircase. |
| 11/05/1985 | US4550534 Attic staircase |
| 10/30/1985 | EP0159316A1 Emergency device |
| 10/01/1985 | CA1194294A1 Cove-key template |
| 09/17/1985 | US4541508 Foldable or retractable ladder for mounting in a ceiling |
| 09/17/1985 | US4541208 Insulating cover for pull down stairs |
| 09/10/1985 | US4540307 Fitting for structural pipe |
| 09/10/1985 | US4539781 Device for transporting loads between various elevations |
| 08/28/1985 | EP0152519A2 Stairway construction |
| 08/21/1985 | EP0152079A2 Illuminated stair nosing |
| 08/20/1985 | US4535963 Holder for railings, lists and the like |
| 08/20/1985 | US4535871 Unitary stairway |
| 08/06/1985 | US4533121 Variable pitch stair railing assembly |
| 07/30/1985 | EP0135553A4 Fencing and like structures. |
| 07/23/1985 | CA1190717A1 Reinforced plastic tread member having grit surface thereto and method of manufacture |
| 07/17/1985 | EP0148363A1 Method to manufacture a building staircase or a staircase element, shuttering for carrying out this method |
| 07/09/1985 | US4527367 Spiral staircase |
| 07/09/1985 | US4527366 Curvilinear stairway constructions |
| 07/03/1985 | EP0146677A2 Stairway of wood mounted of prefabricated parts |
| 06/19/1985 | EP0145062A2 Industrial process for the erection of masonry made of terracotta and cement and blocks for carrying out this process |
| 06/11/1985 | US4522861 Phosphorescent tread plate and composition |
| 06/04/1985 | US4520897 Portable steps |
| 05/29/1985 | EP0142851A1 Emergency exit apparatus |
| 05/21/1985 | CA1187264A1 Curvilinear stairway constructions |