| Patents for E04C 2 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels (28,204) |
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| 09/25/1991 | CN2085387U Precast concrete slab for building salina |
| 09/24/1991 | US5050653 Laminated wood process for using waste offcut strips and products thereof |
| 09/24/1991 | US5050362 Constructional panels |
| 09/23/1991 | CA2031462A1 Modular self-locking panels |
| 09/19/1991 | WO1991014058A1 Improved building panel |
| 09/19/1991 | DE4012140A1 Sandwiched building material for outer and inner use - has polygonal stone plates glued to thicker, fibre reinforced concrete base plate |
| 09/18/1991 | EP0447275A1 Panel produced by extrusion and process for welding such a panel |
| 09/18/1991 | EP0447199A2 Compound material and its manufacturing method |
| 09/18/1991 | CN2084955U Partition plate with core tubes within it |
| 09/17/1991 | US5048254 Prefabricated building panel |
| 09/17/1991 | US5048248 Non-directional composite foam panel side joint |
| 09/15/1991 | CA2038172A1 Compound material and its manufacturing method |
| 09/11/1991 | EP0445240A1 Construction board and its manufacturing method. |
| 09/11/1991 | EP0445213A1 Laminates, panels and means for joining them |
| 09/10/1991 | US5047280 High density corrugated wafer board panel product |
| 09/10/1991 | CA1288637C Fire resistant steel door |
| 09/09/1991 | WO1991014059A1 Method of producing an insulating layer, element for use in the method and method of producing such element |
| 09/09/1991 | CA2077530A1 Method of producing an insulating layer, element for use in the method and method of producing such element |
| 09/04/1991 | EP0444107A1 A method of joining stiff plate profile members into broad lamellae or panels and a lamella or panel element or product produced by that method. |
| 09/03/1991 | US5045262 Method of manufacturing an elongate cover profile |
| 08/29/1991 | DE4007926C1 Component prodn. e.g. window sills, etc. - involves mixing plastic waste material contg. glass fibres with thermoplastic material and hardening |
| 08/27/1991 | US5042210 Glass-block panels and method of fabrication thereof |
| 08/27/1991 | CA1287964C Wall panel with foam insulation |
| 08/22/1991 | WO1991012391A1 Method of manufacturing rigid foam-filled building panels |
| 08/21/1991 | EP0442597A1 Moisture-impervious panel capable of rapid/delayed hydration |
| 08/21/1991 | CN1013603B Decorating panels for buildings |
| 08/20/1991 | US5041333 Lightweight wallboard and insulating boards |
| 08/20/1991 | US5041323 Honeycomb noise attenuation structure |
| 08/20/1991 | US5041318 Composite structural member with integral load bearing joint-forming structure |
| 08/20/1991 | US5040966 Die for making a tetrahexagonal truss structure |
| 08/20/1991 | US5040352 Noise-protection elements of acrylic glass |
| 08/20/1991 | CA1287747C Self-supporting composite plate, especially double floor |
| 08/16/1991 | CA2034117A1 Moisture-impervious panel capable of rapid/delayed hydration |
| 08/14/1991 | EP0441474A2 Structural cladding members |
| 08/14/1991 | EP0441011A1 Façade panel and its use |
| 08/14/1991 | CN2082670U Steel wire reinforced wood-plastic press-formed plate material |
| 08/13/1991 | US5039567 Resilient panel having anisotropic flexing characteristics and method of making same |
| 08/13/1991 | US5039352 External wall element for buildings |
| 08/13/1991 | US5038541 Polymer building wall form construction |
| 08/08/1991 | WO1991011406A1 Molded inorganic plate and production thereof |
| 08/08/1991 | WO1991011323A1 Fire-resistant panel system |
| 08/08/1991 | WO1991011321A1 Improved cementitious construction panel |
| 08/08/1991 | DE4100914A1 Dividing wall - has mounting wall structure to support bathroom furniture with oscillation and acoustic insulation |
| 08/08/1991 | DE4003207A1 Lightweight framework constructions - are made from series of interlocking and preferably similar components which are made of FRP with fibres suitably disposed to transmit loads |
| 08/07/1991 | EP0439587A1 Construction element. |
| 08/07/1991 | EP0318537B1 Prefabricated panel for the construction particularly of burial vaults |
| 08/06/1991 | US5037498 Continuous honeycomb panel molding method |
| 08/06/1991 | US5036639 Plate for false floors |
| 08/01/1991 | DE4002601A1 Prefabricated transportable self-supporting wall - has thin adhesive mortar core containing reinforcing material between ceramic cladding slabs |
| 07/30/1991 | US5035189 Refuse recycling system |
| 07/25/1991 | WO1991010791A1 Insulating block form for constructing concrete wall structures |
| 07/25/1991 | DE4036944A1 Prefabricated concrete building component - is enclosed in sheet iron with protrusions and recesses forming shuttering for pouring |
| 07/25/1991 | DE4001712A1 Hollow wall section - has heater pipe and zigzag air passages between outer layers to top outlets |
| 07/24/1991 | EP0438002A1 Composite panel, especially for building movable position, and its method of manufacture |
| 07/24/1991 | EP0437810A1 Light panel for polyurethane foamed roof elements |
| 07/23/1991 | US5034256 Closeout configuration for honeycomb core composite sandwich panels |
| 07/23/1991 | US5034085 Method of making a composite wall structure and a building prefabricated therewith |
| 07/23/1991 | US5033529 Panel fabric fastening system |
| 07/17/1991 | EP0436842A1 Building kit consisting of light weight elements for walls, pillars, ceilings and the like building elements |
| 07/16/1991 | US5031377 Artificial beam |
| 07/16/1991 | CA1286080C Prefabricated insulated panels |
| 07/11/1991 | WO1991010023A1 Lightweight composite panels |
| 07/10/1991 | EP0252917B1 A room element, particularly a cabin or a berth in a ship |
| 07/10/1991 | CN1052917A Vermiculite composite for injection moulding |
| 07/10/1991 | CN1052817A Method for production of composite panels based on ornamental stone or equivalent material |
| 07/09/1991 | US5030502 Cementitious construction panel |
| 07/09/1991 | US5030488 Laminates, panels and means for joining them |
| 07/09/1991 | US5029424 Decorative quoin |
| 07/09/1991 | CA1285859C Laminated panel |
| 07/09/1991 | CA1285709C Above-ground swimming pool |
| 07/04/1991 | DE4031483A1 Two-panel wall cladding section - has heat insulating layer and heating pipe between panels |
| 07/03/1991 | EP0434869A1 Steel stud and precast panel |
| 07/03/1991 | EP0294423B1 Honeycomb facesheet material and honeycomb made therewith |
| 07/03/1991 | CN2080080U Plaster plate using reed weaving net as the sandwich layer |
| 07/02/1991 | US5028474 Cellular core structure providing gridlike bearing surfaces on opposing parallel planes of the formed core |
| 07/02/1991 | US5028469 Lightweight constructional element of sandwich structure |
| 06/30/1991 | WO1991009733A1 Methods for manufacturing composite surface elements |
| 06/30/1991 | CA2072601A1 Methods for manufacturing composite surface elements |
| 06/27/1991 | CA2014426A1 Wire grid subceiling panel |
| 06/26/1991 | EP0433298A1 Self-supporting interconnectable formwork elements for the casting of especially wall constructions and a method for the use of said formwork elements. |
| 06/26/1991 | CN2079636U Forming machine for hollow block of concrete |
| 06/25/1991 | US5026581 Invisible mullion assembly |
| 06/25/1991 | US5025603 Modular space dividing panels having wire management channels |
| 06/20/1991 | WO1991009187A1 Prefabricated panel for the construction of controlled fragility walls |
| 06/19/1991 | EP0433164A1 Insulating and fireproofed partitioning panel |
| 06/19/1991 | EP0432518A2 Profile made from form-pressed vegetable particles |
| 06/18/1991 | US5024033 Prefabricated construction unit with insulation |
| 06/13/1991 | WO1990015905A3 Construction system consisting of moulded bricks and light supporting frameworks |
| 06/12/1991 | CA2005201A1 Reinforced granite slab and method for reinforcing granite slabs |
| 06/11/1991 | US5022838 Multi-axis rotational distributing apparatus |
| 06/11/1991 | US5022208 Butt joints for panels and/or sections |
| 06/11/1991 | CA1284718C Moulding of construction products |
| 06/11/1991 | CA1284714C Wall construction |
| 06/11/1991 | CA1284711C Flooring panels for free cable laying |
| 06/06/1991 | DE4037697A1 Thermal insulation building panel - has edge surfaces which are oblique to plane of panel |
| 06/06/1991 | DE3935092C1 Method of mfg. insulating boards - uses foamed starch mixed with natural fibres, e.g. wood or hemp |
| 06/04/1991 | US5020287 Structural building components incorporating integrated hyperbolic paraboloid elements |
| 06/04/1991 | CA1284571C Rapid assembly building system |
| 05/31/1991 | WO1991008093A1 A method for the production of composite panels based on ornamental stone or an equivalent material |
| 05/30/1991 | WO1991007565A1 Production line for burglarproof grilles and grilles manufactured on said production line |