| Patents for E04C 5 - Reinforcing elements, e.g. for concrete; Auxiliary elements therefor (12,657) |
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| 11/24/1981 | US4301638 Spacer for reinforced concrete structures |
| 11/24/1981 | CA1112884A1 Complex process and machine group for the support of underground cavities and cavity systems |
| 11/17/1981 | US4301356 Heating unit and method for production thereof |
| 11/03/1981 | US4298660 Steel fiber for reinforced concrete |
| 11/03/1981 | US4297820 Composite structural panel with multilayered reflective core |
| 10/27/1981 | US4297414 Reinforcing material for hydraulic substances and method for the production thereof |
| 10/27/1981 | CA1111212A1 Undulated metallic elements for the reinforcement of composite materials |
| 10/20/1981 | US4295501 Spacer bar and related method for concrete pipe manufacture |
| 10/20/1981 | US4295497 Variegated stirrup mat |
| 10/20/1981 | CA1110813A1 Impact-resisting composites |
| 09/23/1981 | EP0036125A2 Reinforcement spacer |
| 09/22/1981 | CA1109283A1 Set of adhesion projections on thin sheet for use in compound structures, and its application |
| 09/08/1981 | US4287919 Process in the manufacture of space frameworks, and a machine for the manufacture thereof |
| 09/01/1981 | CA1107981A1 Box beam building structure |
| 08/26/1981 | EP0034332A2 Construction element for heat insulation of buildings |
| 08/18/1981 | US4284667 Reinforcing member for castable material and process of mixing reinforcing elements with said material |
| 07/28/1981 | US4280310 Hinged reinforcement assembly and method |
| 07/22/1981 | EP0032421A1 Fiber-reinforced concrete |
| 07/15/1981 | EP0031838A1 Fiber-reinforced composite materials and shaped articles |
| 06/25/1981 | WO1981001722A1 Method of and apparatus for building construction |
| 06/09/1981 | US4272003 Butt welding and burr shearing machine for reinforce steel |
| 06/09/1981 | CA1102578A1 Building construction |
| 06/02/1981 | US4270583 Concrete pipe reinforcement spacer bar process |
| 05/26/1981 | CA1101689A1 Steel rods, especially reinforcing or tensioning rods |
| 05/20/1981 | EP0028867A2 Composites of water-hardening substance and organic film networks and method of producing these composites |
| 05/06/1981 | EP0027896A2 Rigid prefabricated panel element and method for its fabrication |
| 05/06/1981 | EP0027832A1 Three-dimensional lattice girder |
| 05/05/1981 | US4265981 Helically wrapped reinforcing filaments embedded in a matrix material |
| 04/21/1981 | CA1099530A1 Snap-tie |
| 04/16/1981 | WO1981001025A1 Lining device for connection irons of concrete construction parts |
| 04/15/1981 | EP0026803A1 Construction joint shuttering comprising a former for supporting connecting bars |
| 04/14/1981 | US4261754 Polyolefin reinforced cement |
| 04/07/1981 | US4260657 Graphite fibers |
| 04/01/1981 | EP0025856A2 Device for anchoring the end of at least one rod of fibrous composite material used as a tensioning member in prestressed concrete constructions |
| 03/25/1981 | EP0025439A1 A prefabricated floor unit. |
| 03/25/1981 | EP0025436A1 Reinforcement for reinforced concrete and process for the manufacture thereof. |
| 03/24/1981 | US4257993 Method of producing fibre-reinforced concrete and shaped parts produced by this method |
| 03/11/1981 | EP0024697A1 Apparatus for flashing reinforcement steel |
| 03/11/1981 | EP0024539A1 Polyolefine fibres or filaments, their production, their use as reinforcing fibres in building elements, and building element |
| 02/05/1981 | WO1981000252A1 Fiber-reinforced composite materials and shaped articles |
| 01/27/1981 | US4246937 Cable structure with cable sheath |
| 01/20/1981 | US4245926 Welded grid, primarily for securing underground cavities, cavity systems, as well as process for making the grid |
| 01/20/1981 | US4245923 Prestressing and prestressed road pavements |
| 01/07/1981 | EP0021960A2 Device to connect at least two linear elements |
| 01/07/1981 | EP0020342A1 Binding element for building elements of concrete or reinforced concrete cast the ones after the others |
| 12/30/1980 | US4241490 Method of applying metal sleeve to concrete reinforcing bar, metal sleeve and swaged connection |
| 12/16/1980 | CA1091458A1 Welded grid primarily for supporting underground cavities and cavity systems as well as a process |
| 12/09/1980 | US4237942 Apparatus to produce an anchor on a tendon twisted of several steel wires |
| 11/25/1980 | US4235055 System for anchoring stressed tension members in a concrete component |
| 11/18/1980 | US4234638 Composite graphite sheets |
| 11/18/1980 | US4234156 Snap-tie |
| 11/18/1980 | CA1089669A1 Method for producing fibre-reinforced concrete and articles produced by this method |
| 11/12/1980 | EP0018491A2 Fibrous reinforcement for cement or bitumen bonded building elements and coverings |
| 11/11/1980 | US4233364 Anchoring fibre for use in concrete |
| 10/28/1980 | CA1088341A1 Reinforcing bar support |
| 10/21/1980 | US4229501 Steel rods, especially reinforcing or tensioning rods |
| 10/15/1980 | EP0017548A1 Construction material, its application as a filler,a coating or a foundation mass to loose soil; process and apparatus for manufacturing this material |
| 10/14/1980 | US4227357 Construction blocks |
| 10/14/1980 | CA1087593A1 Macroporous microspheroids and a process for their manufacture |
| 10/14/1980 | CA1087416A1 Splicing device for overlapped rods |
| 10/07/1980 | US4226067 Structural panel |
| 09/23/1980 | US4224377 Reinforcing member for castable material and process of mixing reinforcing elements with said material |
| 09/23/1980 | US4223497 Coupling assembly |
| 09/16/1980 | CA1085643A1 Safety cap for the projecting ends of rebar, pipe and the like |
| 09/16/1980 | CA1085642A1 Shear reinforcement for concrete flat slabs |
| 09/09/1980 | US4221599 Fatty acid metal salt waterproofing agent |
| 09/09/1980 | CA1085145A1 Method of applying a metal sleeve to a concrete- reinforcing bar |
| 09/04/1980 | WO1980001818A1 Reinforcement for reinforced concrete and process for the manufacture thereof |
| 09/04/1980 | WO1980001817A1 Floor |
| 09/03/1980 | EP0015027A1 Reinforced asphalt layer |
| 08/26/1980 | CA1084294A1 Reinforcement bar securing device |
| 08/06/1980 | EP0013681A1 Load bearing construction element of high bending resistance realized by tension and method of manufacturing same |
| 07/24/1980 | WO1980001492A1 Means for disconnectably coupling together reinforcing bars |
| 07/23/1980 | EP0013305A1 Fibre-reinforced composite material having an inorganic binder matrix, reinforcing fibrillated tows and webs |
| 07/22/1980 | US4213281 Construction of roofs, floors and beams |
| 07/01/1980 | US4210009 Reinforcement fibres |
| 06/24/1980 | US4209560 Composite structure reinforced in the X, Y, and Z directions and method of making same |
| 06/24/1980 | CA1079928A1 Structural panel |
| 06/12/1980 | WO1980001179A1 Process for manufacturing asphaltic coating,coating and mixture to be heated for applying such process |
| 05/29/1980 | WO1980001088A1 Binding element for building elements of concrete or reinforced concrete cast the ones after the others |
| 05/28/1980 | EP0011555A1 Method of manufacturing prefabricated concrete beams |
| 05/15/1980 | WO1980000960A1 A fiber-reinforced composite material and a fibrillated tow and a reinforcing web for use therein |
| 05/13/1980 | CA1077292A1 Coupling assembly |
| 04/29/1980 | CA1076385A1 Spacer, more particularly for securing to reinforcements for reinforced concrete |
| 04/16/1980 | EP0009607A1 Closure for a pre-stress channel of a pre-stressed concrete element |
| 04/01/1980 | US4196234 Method of manufacturing sulfur-coated bamboo reinforcement member for concrete articles |
| 03/25/1980 | US4194873 Apparatus for making pultruded product |
| 03/18/1980 | US4193573 Clip-and-sleeve arrangement for use with paving form and tie bar |
| 03/11/1980 | US4192215 Tensioning apparatus and method of applying tension to a tendon |
| 03/11/1980 | US4192114 Arrangement for interconnecting bundles of prestressing tendons for prestressed concrete |
| 03/11/1980 | CA1073478A1 Method of mixing steel fiber reinforced concrete |
| 03/04/1980 | US4190999 Locator for vertical reinforcing bars |
| 03/04/1980 | CA1072894A1 Manually formable stirrup mat reinforcement and pipe reinforcing method based thereon |
| 02/20/1980 | EP0007962A1 Device for wire processing |
| 02/12/1980 | US4188424 Metal carrier for trim |
| 01/24/1980 | WO1980000090A1 Welded lattice for reinforced concrete |
| 01/24/1980 | WO1980000089A1 Elongated carrier reinforcement element |
| 01/22/1980 | US4184520 Manually formable stirrup mat reinforcement and pipe reinforcing method based thereon |
| 01/15/1980 | US4184002 Undulated metallic elements for the reinforcement of composite materials |
| 01/09/1980 | EP0006318A1 Reinforced shaped articles, the production thereof and novel fibres and filaments for use therein |