| 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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| 07/21/1981 | US4279679 Deforming edges of sheet |
| 07/21/1981 | US4279673 Hard-edge wallboard |
| 07/09/1981 | WO1981001807A1 Truss panel |
| 07/08/1981 | EP0031341A1 Method and apparatus for the manufacture of building blocks. |
| 07/07/1981 | US4277527 Wall construction material comprising a rigid support with a textile material facing laminated thereto |
| 07/07/1981 | US4276730 Building wall construction |
| 07/07/1981 | US4276728 Dirt removing grid system for floors |
| 07/07/1981 | CA1104436A1 Manufacture of articles made from a water-hardenable mass and a reinforcing element |
| 07/01/1981 | EP0031171A2 Method of constructing a building using insulating panels as shuttering |
| 06/30/1981 | US4275540 Plastic free standing brick wall section |
| 06/24/1981 | EP0030743A1 Wall and composite panels for producing it |
| 06/24/1981 | EP0030714A2 Process in the manufacture of a construction element |
| 06/23/1981 | US4275110 Self-supporting building elements and method of manufacture |
| 06/23/1981 | US4274236 High stiffness cellular plastic siding |
| 06/23/1981 | CA1103572A1 Plaster board panels |
| 06/23/1981 | CA1103421A1 Grille |
| 06/17/1981 | EP0030522A2 A self supporting panel of polyurethane resins or the like, a manufacturing method thereof and an apparatus used therewith |
| 06/16/1981 | US4273836 Core strip blank, core strip and method of making same |
| 06/16/1981 | CA1102983A2 Continuous rigid foam panel production |
| 06/16/1981 | CA1102982A2 Continuous rigid foam panel production |
| 06/16/1981 | CA1102981A2 Continuous rigid foam panel production |
| 06/10/1981 | EP0030129A2 Reinforcement board |
| 06/09/1981 | US4271876 Method and apparatus for filling honeycomb panels with fiber insulation |
| 06/09/1981 | US4271649 Structural panel |
| 06/03/1981 | EP0029430A1 Moulding of construction products. |
| 06/02/1981 | USRE30636 Products of converted lignocellulosic materials |
| 06/02/1981 | US4271219 Method of manufacturing an adhesive bonded acoustical attenuation structure and the resulting structure |
| 06/02/1981 | US4270333 Security screen |
| 06/02/1981 | US4270329 Insulated wall and wall part |
| 05/26/1981 | CA1101687A1 Simulated brick panel, composition and method |
| 05/26/1981 | CA1101627A1 Component type building construction system |
| 05/20/1981 | EP0028828A2 Building panel |
| 05/19/1981 | US4268574 Prefabricated self-supporting panels and manufacture process thereof |
| 05/19/1981 | US4267681 Resilient structures |
| 05/19/1981 | US4267679 Insulated building panel wall construction |
| 05/19/1981 | CA1101179A1 Structural panel |
| 05/14/1981 | WO1981001305A1 Corrugated,toothed web strip for construction elements |
| 05/13/1981 | EP0028594A1 Prefabricated reinforced concrete member and floor made of such a member |
| 05/12/1981 | US4267222 Rigid polyester resin binding porous scoria rock particles; insulation; construction materials; high strength |
| 05/12/1981 | US4267221 Architectural panel and method of making the same |
| 05/12/1981 | US4266382 Hardboard panel siding |
| 05/12/1981 | US4266381 Extruded nonskid treadway |
| 05/06/1981 | EP0027945A2 Composite panel |
| 05/05/1981 | US4265979 Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom |
| 05/05/1981 | US4265688 Method for producing sandwich type structural components |
| 05/05/1981 | CA1100325A1 Prefabricated wall designed in particular for the construction of dwelling houses |
| 05/05/1981 | CA1100274A1 Structural panel |
| 04/22/1981 | EP0027118A1 An improved rigidized resinous foam core sandwich structure |
| 04/22/1981 | EP0027114A1 Wall structure and method for making the same. |
| 04/14/1981 | US4261754 Polyolefin reinforced cement |
| 04/14/1981 | US4261150 Prefabricated construction elements provided with a reinforcement operating as a caisson, equipment for producing such elements and method of fabrication and application in building erection |
| 04/14/1981 | CA1099073A2 Siding structure |
| 04/08/1981 | EP0026726A1 Method of manufacturing insulating construction elements and construction elements manufactured by this method |
| 04/08/1981 | EP0026605A2 Improvements in and relating to building panels |
| 04/07/1981 | US4259824 Precast concrete modular building panel |
| 04/07/1981 | CA1098729A1 Process for producing prefabricated panels and tridimensional elements for building and products obtained from said process |
| 04/07/1981 | CA1098661A1 High strength corrugated metal plate and method of fabricating same |
| 03/31/1981 | US4258520 Multiple panel building closure |
| 03/25/1981 | EP0025439A1 A prefabricated floor unit. |
| 03/24/1981 | US4257710 Continuous process mixing of pulverized solids and liquids and mixing apparatus |
| 03/24/1981 | US4257150 Apparatus for assembling wall modules from a pair of stretched sheets of metal laterally spaced apart by a skeletal frame |
| 03/18/1981 | EP0025420A1 Prefabricated modular panels for the construction of walls of cottages or of buildings in general |
| 03/17/1981 | US4256446 Apparatus for manufacturing prefinished wallboard |
| 03/17/1981 | US4255915 Process for producing prefabricated panels and tridimensional elements for building and products obtained from said process |
| 03/11/1981 | EP0024658A1 Insulating pane of synthetic glass |
| 03/10/1981 | CA1097172A1 Packaging of phonograph records |
| 03/10/1981 | CA1097097A1 Manufacturing process for self-supporting elements, particularly roofing panels and panels for the constituent part of buildings |
| 03/05/1981 | WO1981000584A1 Double shell construction for flat structures |
| 03/03/1981 | US4254188 Metallic core panel and method of making same |
| 03/03/1981 | US4254178 Urea-formaldehyde resin, plaster, curing agent |
| 03/03/1981 | US4254171 Method of manufacture of honeycomb noise attenuation structure and the resulting structure produced thereby |
| 02/24/1981 | US4252947 Novel quinazolinone |
| 02/24/1981 | US4252767 Rigid foam encased in fiber reinforced cement |
| 02/24/1981 | US4251970 Thin sheet having punched-out adhesion projections for use in compound structures, and compound structures constructed therewith |
| 02/17/1981 | US4251598 Reflective insulative panel |
| 02/17/1981 | US4250728 Apparatus and method for forming steps in profiled sheets of material |
| 02/11/1981 | EP0023807A1 A method of constructing a panel assembly |
| 02/05/1981 | WO1981000272A1 Prefabricated covering element for roofing |
| 02/03/1981 | US4248325 Tackable sound absorptive panel |
| 02/03/1981 | US4248022 Exterior window shutter assembly |
| 02/03/1981 | CA1094773A1 Structural roofing and siding panel |
| 01/28/1981 | EP0023042A1 Prefabricated floor element for buildings |
| 01/27/1981 | US4247583 Insulating structure with polygonal cells |
| 01/22/1981 | WO1981000128A1 Thermal insulation material |
| 01/20/1981 | US4245766 Flying stitcher |
| 01/20/1981 | US4245451 Automatic method and apparatus for laying block units |
| 01/20/1981 | US4245439 Element for prefabricated building and building obtained with such an element |
| 01/13/1981 | US4244901 Foaming a polyurethane thermosetting resin to form wallboard |
| 01/13/1981 | US4244768 Method of manufacturing a grating constructed of resin bonded fibers |
| 01/13/1981 | CA1093364A1 Structural cellular materials |
| 01/08/1981 | WO1981000015A1 Building tile exhibiting antique pattern |
| 01/07/1981 | EP0022107A1 A light-weight wall element |
| 01/07/1981 | EP0021591A2 Anti-slip grating |
| 01/07/1981 | EP0021280A1 Stable floor |
| 01/07/1981 | EP0020830A1 Structural member and composite panel including same |
| 01/07/1981 | EP0020829A1 Production of load bearing panels |
| 01/07/1981 | EP0020345A1 Method for the production of glass fiber-reinforced gypsum sheets and gypsum board formed therefrom |
| 01/06/1981 | CA1092846A1 Foamed plastic concrete form and connectors therefor |
| 01/06/1981 | CA1092771A1 Method for flattening wood based panels and panels produced thereby |
| 12/30/1980 | US4242406 Fiber reinforced composite structural laminate composed of two layers tied to one another by embedded fibers bridging both layers |