| Patents for E04C 3 - Structural elongated elements designed for load-supporting (14,327) |
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| 06/09/1991 | WO1991009252A1 Structural member |
| 06/09/1991 | CA2047224A1 Structural member |
| 06/06/1991 | DE4007055C1 Window lintel or bridging piece - has pattern of through-slots allowing easy adjustment of size of window opening |
| 06/04/1991 | CA2004545A1 Support means for structure formed of pvc material |
| 05/30/1991 | WO1991007081A1 Multifunction support for greenhouse framework |
| 05/28/1991 | CA2004067A1 Wooden structural member |
| 05/22/1991 | EP0428066A1 Extruded aluminium alloy tubular sections for floors and floor systems and slab structures formed therewith |
| 05/22/1991 | CN2077465U Laterally supported large concrete roofing beam reinforced with steel bar net |
| 05/14/1991 | US5014487 Rack beams and method of making same |
| 05/08/1991 | EP0426015A2 Multiply wood products such as beams, planks and glued boards and process for their manufacture |
| 05/08/1991 | EP0425952A1 Sheet metal profile with groove |
| 05/08/1991 | EP0425560A1 A beam intended for cooperation with concrete |
| 05/07/1991 | US5012626 Structural bar |
| 05/07/1991 | US5012622 Structural filler filled steel tube column |
| 05/02/1991 | CA2028923A1 Method for the production of multiply wood structures |
| 04/30/1991 | US5010709 Bendable channel construction element |
| 04/18/1991 | DE3934451A1 Multipurpose beam for multistorey building - has hollow interior equipped with heat exchanger |
| 04/18/1991 | DE3933362A1 Girder with web(s) and two flanges - has shorter shaped elements in web and straight connection between web and flanges |
| 04/17/1991 | EP0422875A2 Space frame |
| 04/17/1991 | CN1050699A Tetrahexagonal truss structure and method |
| 04/16/1991 | US5007218 Masonry block wall system and method |
| 04/16/1991 | CA1282932C Floor loaded platform truss |
| 04/16/1991 | CA1282931C Interlocking structure |
| 04/14/1991 | CA2027356A1 Wood unit |
| 04/12/1991 | WO1991005926A1 High strength structural members |
| 04/12/1991 | CA2069310A1 High strength structural members |
| 04/11/1991 | DE4030447A1 Prefab. lintel for sliding door - has rectangular cross=section made of concrete with U=shaped guide rail embedded in it |
| 04/11/1991 | DE3933198A1 Grid of solid or tubular sectional poles - has poles anchored in base pieces, and incorporates connecting uprights with plugs and sockets |
| 04/10/1991 | CN1050508A Cold roll-formed structures and method and apparatus for producing same |
| 04/09/1991 | US5005323 Apparatus for securing a roofing support spacer to underlying support structures |
| 04/09/1991 | CA1282572C Long span beam seating and anchoring system |
| 04/07/1991 | CA2026929A1 Chord truss roof structure |
| 04/04/1991 | WO1991004379A1 An individual stud for constructing a frame, the vertical and horizontal studs having the same cross section |
| 04/03/1991 | EP0420084A1 Box-girder for a crane girder |
| 03/27/1991 | EP0284609B1 Carrier-like structural element |
| 03/26/1991 | CA1281883C Structure for metal constructions in general, in particular for trestlework constructions, accomplished by means of section bars and jointing elements |
| 03/21/1991 | WO1991003611A1 Modular construction units and cast-in-place walls and beams employing such units |
| 03/20/1991 | EP0417517A1 Jointing means |
| 03/19/1991 | US4999959 Prestressed construction element of composite structure and method for element fabrication |
| 03/14/1991 | DE3925682A1 Telescopic tube for temporary street decoration - accommodates several hinging hooks and eyes unfolding on extension |
| 03/13/1991 | EP0415927A1 Tensioned structure |
| 03/07/1991 | WO1991002865A1 Beam |
| 03/06/1991 | EP0415597A1 Texrahexagonal truss structure and method |
| 03/02/1991 | CA2023572A1 Tetrahexagonal truss structure and method |
| 02/28/1991 | DE3928322A1 Square-section wooden beam - is produced from round tree trunk by cutting trunk longitudinally into four pieces |
| 02/27/1991 | CN1011807B Building truss and its assembling method |
| 02/27/1991 | CN1011806B Support and attachment system for long-span beams |
| 02/26/1991 | US4995214 Connecting element |
| 02/21/1991 | WO1991000944A3 An economical steel roof truss |
| 02/20/1991 | EP0413500A1 Building system |
| 02/19/1991 | US4993095 Splice for a structural member |
| 02/16/1991 | CA2014364A1 Sectional member with frame corners resistant to bending and its use |
| 02/13/1991 | EP0412910A1 Reinforcing element for existing wooden beam, its manufacturing method and arrangement, its use and reinforced beam obtained therefrom |
| 02/13/1991 | CN2071224U Multi-purpose support device |
| 02/12/1991 | US4991726 Support stand |
| 02/12/1991 | CA1279972C Wood-i beams and making of same |
| 02/07/1991 | WO1991001418A1 Furnace crown means and method |
| 02/05/1991 | US4989390 Fabricated structural tube |
| 02/05/1991 | CA1279771C Steel stud and precast panel therefor |
| 01/31/1991 | DE4022962A1 Roof truss constructed from hollow steel sections - which are connected by joints which permit relative rotation |
| 01/31/1991 | DE4021720A1 Ceiling spars with decorative rustic appearance - a beam has two angled rails along the sides to suport ceiling panels and a U=shaped foam profile with wood finish is bonded on |
| 01/29/1991 | US4988232 A fishplate for connecting two I-section beams |
| 01/24/1991 | WO1991000944A2 An economical steel roof truss |
| 01/24/1991 | DE3924088A1 Prodn. of large wooden beam - by cutting longitudinally in four pieces from single tree trunk |
| 01/24/1991 | DE3923471A1 Wooden structure with laminated members - has joints formed from metal plates between laminations of wood |
| 01/23/1991 | EP0409626A2 Wall parapet construction |
| 01/22/1991 | US4986051 Structural |
| 01/16/1991 | EP0408091A2 Connecting element |
| 01/16/1991 | EP0407998A2 Bidimensional truss structure, particularly support for overhead electric energy transmission lines |
| 01/15/1991 | US4984407 Framework |
| 01/08/1991 | US4982549 Method for end to end coupling prefabricated elements of reinforced concrete |
| 01/08/1991 | US4982545 Economical steel roof truss |
| 01/02/1991 | CA1278535C Prestressed concrete articles |
| 01/02/1991 | CA1278413C Plate web girder |
| 01/01/1991 | US4981004 Bar-type constructional element of high flexural strength and application of same |
| 12/27/1990 | WO1990015907A1 Improvements in and relating to composite beams |
| 12/25/1990 | US4980214 Structural member with heat shrinkable outer support covering |
| 12/25/1990 | US4979992 Compact reinforced composite |
| 12/12/1990 | EP0402099A2 Reinforcing woven fabric and preformed material, fiber reinforced composite material and beam using it |
| 12/04/1990 | US4974389 Wooden structural member |
| 11/29/1990 | WO1990014522A1 Bearer joint |
| 11/27/1990 | US4972635 Cant vent and rim guard air and moisture stops |
| 11/22/1990 | EP0398068A1 Connection for beams |
| 11/21/1990 | CN2066046U Precision casting early disassembling column capital |
| 11/20/1990 | US4970833 Arched tubular frame building construction |
| 11/15/1990 | WO1990013715A1 Lift arch building system |
| 11/15/1990 | DE3915504A1 Method of laminating boards - involves formation of grooves lengthwise along meeting surfaces and filling with rapid setting glued strips |
| 11/14/1990 | EP0487518A4 Anchorages in composite steel and concrete structural members. |
| 11/06/1990 | US4967581 Process for producing a rolled section having a corrugated part and installation intended for this purpose |
| 11/06/1990 | US4967534 Wood I-beams and methods of making same |
| 11/06/1990 | US4967533 Tetrahexagonal truss structure |
| 10/31/1990 | CN1010238B Trussed girder, roof framing using the trussed girder and method of constructing the roof framing of a building using the trussed girder |
| 10/30/1990 | US4965973 Devices for load carrying structures |
| 10/24/1990 | CN1010111B Window for installation in an inclined roof and comprising a frame with a flashing |
| 10/23/1990 | US4965740 Apparatus and method for selecting and positioning truss connector plates |
| 10/23/1990 | US4964256 Beam member for concrete forming system |
| 10/18/1990 | WO1990012174A1 Improvements in or relating to composite columns and a method of manufacturing the same |
| 10/17/1990 | EP0392142A1 Construction element for buildings or similar and method for their manufacture |
| 10/14/1990 | WO1990012173A1 A fire-resistant prefabricated steel beam |
| 10/11/1990 | DE3903770A1 Connection-type support for erecting container housings and/or prefabricated three-dimensional bodies |