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Class Information
Number: 52/223.9
Name: Static structures (e.g., buildings) > With component having discrete prestressing means > Beam, girder, or truss construction > Composed of abutting sections
Description: Beam, girder, or truss which is made up of a plurality of preformed sections.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8621797 Steel structure including pre-stressing brackets for improving load-carrying capacity and serviceability Jan. 7, 2014
8429877 Method for reinforcement of concreted plates in the region of support elements Apr. 30, 2013
7941983 Apparatus and methods of forming a curved structure May. 17, 2011
7862675 Slip method for prestressing beams with bonded tendons Jan. 4, 2011
7797888 Pre-fabricated storm shelter Sep. 21, 2010
7695021 Gasketed coupler apparatus for use with concrete segments Apr. 13, 2010
7686347 Couplers for use with ducts of concrete segmental construction Mar. 30, 2010
7654059 Truss connector Feb. 2, 2010
7634874 Collapsible structural members Dec. 22, 2009
7416769 Friction stir welding member Aug. 26, 2008
7370452 Mat assembly for heavy equipment transit and support May. 13, 2008
7147197 Concrete home building Dec. 12, 2006
7051918 Dual-biasing weld-attaching of end components to an elongate element May. 30, 2006
7051917 Beam end weld preparation May. 30, 2006
7003921 Expansion joint and reinforcement connection method using the expansion joint Feb. 28, 2006
6763635 Boom with mast assembly Jul. 20, 2004
6698153 Friction stir welding method, and hollow shape member for friction stir welding Mar. 2, 2004
6647678 Device for connecting prefabricated beams to pillars or similar load-bearing structural elements Nov. 18, 2003
6581343 Prefabricated girder in two halves and roof structure Jun. 24, 2003
6532712 Structural body and method of manufacture thereof Mar. 18, 2003
6425220 Continuity tie Jul. 30, 2002
6354056 Apparatus and method for providing a reinforced roof truss Mar. 12, 2002
6256949 Supporting wooden panel element for constructing ceilings or bridges and use of a screw for connecting boards to form a panel element Jul. 10, 2001
6250031 Double slope beam in two halves Jun. 26, 2001
6243994 Joint for pre-cast concrete twin-leaf arch sections Jun. 12, 2001
6170209 Prestressing system for wood structures and elements Jan. 9, 2001
6145268 Apparatus and method for providing a reinforced roof truss Nov. 14, 2000
6112486 Continuity tie Sep. 5, 2000
6105321 Prestressed wood composite laminate Aug. 22, 2000
5964068 Modular truss system Oct. 12, 1999
5924250 Sealing arrangement in a bundled tension member for prestressed concrete Jul. 20, 1999
5921042 Continuity tie Jul. 13, 1999
5867954 Multi-axis prestressed double-tee beam and method of construction Feb. 9, 1999
5852905 Method for manufacturing a composite girder and so manufactured girder Dec. 29, 1998
5826384 Modular truss system Oct. 27, 1998
5813181 Continuity tie Sep. 29, 1998
5809713 Structural elements Sep. 22, 1998
5675943 Lateral load-resisting structure having self-righting feature Oct. 14, 1997
5491941 Slippage controlled threaded rebar joint in reinforced concrete Feb. 20, 1996
5291704 Modular construction joist made up of a high-strength plastic material, particularly suitable for realizing grids, and closure members subjected to pedestrian and vehicle traffic Mar. 8, 1994
5218801 Roof truss and decking system Jun. 15, 1993
4910940 Modular structural arrays Mar. 27, 1990
4890437 Segmented arch structure Jan. 2, 1990
4757656 Lintel system Jul. 19, 1988
4694622 Concrete structural elements, process and device for manufacturing these elements Sep. 22, 1987
4620400 Prestressed concrete structure, a method of producing this structure, and elements for implementing the method Nov. 4, 1986
4243385 End block Jan. 6, 1981
4223495 Prestressed steel support structure and method of erecting the same Sep. 23, 1980
4144687 Self-supporting girder structure Mar. 20, 1979
4073102 Premanufactured modular town house building construction Feb. 14, 1978

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