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Class Information
Number: 52/731.2
Name: Static structures (e.g., buildings) > Shaft (i.e., elongated rigid structure) > Longitudinally related striplike sections > Structural support > Forms hollow enclosure (e.g., box beam)
Description: Structure wherein the elongated members are joined together at their longitudinal edges to form a hollow enclosure.


Sub-classes under this class:

Class Number Class Name Patents
52/731.6 For vehicle 96
52/731.3 Having interlocking feature 81
52/731.4 Upright 48


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7251919 Lightweight building component Aug. 7, 2007
7155874 Tubular structure and modular building assembly using the same Jan. 2, 2007
7111745 Boom for a load handling machine Sep. 26, 2006
6957519 Construct for buildings and a method for manufacturing the same Oct. 25, 2005
6955023 Unitary metal structural member with internal reinforcement Oct. 18, 2005
6941719 Structural reinforcement Sep. 13, 2005
6915616 Frame member for electrical distribution cabinets Jul. 12, 2005
6907706 Tower for wind power installations Jun. 21, 2005
6893594 Extruded window and door composite frames May. 17, 2005
6826885 System for reinforcing extruded beams Dec. 7, 2004
6807790 Ring beam/lintel system Oct. 26, 2004
6802170 Box beam and method for fabricating same Oct. 12, 2004
6772572 Fabricated OSB stud Aug. 10, 2004
6763635 Boom with mast assembly Jul. 20, 2004
6698155 Building elements and building element assemblies formed therewith Mar. 2, 2004
6698153 Friction stir welding method, and hollow shape member for friction stir welding Mar. 2, 2004
6682814 Fiber-polymeric composite siding unit and method of manufacture Jan. 27, 2004
6658808 Interlocking building module system Dec. 9, 2003
6647692 Support and connecting profile Nov. 18, 2003
6647693 Three-dimensional structures of sheet material Nov. 18, 2003
6615564 For a connector for joining adjacent flat roof panels coplanarly together Sep. 9, 2003
6598360 Basement water drainage conduit and methods of use thereof Jul. 29, 2003
6591576 Structural member having closed sections, and apparatus and method for producing the structural member Jul. 15, 2003
6553738 Hollow profile bar Apr. 29, 2003
6503589 Elongated structural member Jan. 7, 2003
6494012 Acoustical composite steel member Dec. 17, 2002
6494011 Hollow extruded frame member for friction stir welding Dec. 17, 2002
6446412 Glulam wood beams and method of making same Sep. 10, 2002
6427395 Elongated covering member of extruded plastic suitable for flooring, decking, seating, and like uses Aug. 6, 2002
6412247 Composite structural member and wall assembly method Jul. 2, 2002
6383610 Self-sealing partition May. 7, 2002
6349521 Vehicle bumper beam with non-uniform cross section Feb. 26, 2002
6325431 Roll-formed product and vehicle bumper using the same Dec. 4, 2001
6311452 Structural reinforcements Nov. 6, 2001
6286287 Converted wood articles Sep. 11, 2001
6283456 Section bar Sep. 4, 2001
6253524 Reinforcing member with thermally expansible structural reinforcing material and directional shelf Jul. 3, 2001
6250037 Structure body and hollow shape extruded frame member Jun. 26, 2001
6216400 Prefabricated headers Apr. 17, 2001
6195953 Beam, that is rectangular in cross-section, in particular made from a hollow section of an extruded light metal alloy, and a construction unit made up of such beams Mar. 6, 2001
6189285 Pultruded FRP structural assembly for water cooling towers Feb. 20, 2001
6158190 Insulated composite steel member Dec. 12, 2000
6145271 Transverse beam and method of manufacturing a transverse beam Nov. 14, 2000
6141935 Structural member Nov. 7, 2000
6131362 Sheet metal beam Oct. 17, 2000
6131897 Structural reinforcements Oct. 17, 2000
6125603 Construction system of corrugated edge sections and engaging connecting devices Oct. 3, 2000
6122884 Selective metal matrix composite reinforcement by laser deposition Sep. 26, 2000
6109329 Modular panel structure Aug. 29, 2000
6094881 Box shaped structural member with pultruded flanges and connecting webs Aug. 1, 2000

1 2 3


 
 
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