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Class Information
Number: 52/724.1
Name: Static structures (e.g., buildings) > Shaft (i.e., elongated rigid structure) > Stone-like component (e.g., concrete, etc.) > Having feature resisting transverse loading (e.g., beam)
Description: Structure comprising an elongated, rigid construction of great length compared to its width and depth which includes a nonuniform or eccentric reinforcement, or is particularly shaped in cross-section to add rigidity and resist force applied transversely to its longitudinal axis (e.g., girder, joist, etc.).

Sub-classes under this class:

Class Number Class Name Patents
52/724.4 Having arch feature 8
52/724.5 Having outer layer or shell 34
52/724.3 Lattice-type structure 5
52/724.2 Tension member having attached projection 13

Patents under this class:

Patent Number Title Of Patent Date Issued
7284358 Methods of manufacturing bearing brace apparatus Oct. 23, 2007
7213379 Engineered structural members and methods for constructing same May. 8, 2007
7174680 Bearing brace apparatus Feb. 13, 2007
7147197 Concrete home building Dec. 12, 2006
6966159 Flat soffit, doubly prestressed, composite, roof-ceiling construction for large span industrial buildings Nov. 22, 2005
6910305 Reinforced concrete element Jun. 28, 2005
6851232 Reinforcement device for supporting structures Feb. 8, 2005
6807789 Steel-concrete composite beam using asymmetric section steel beam Oct. 26, 2004
6799406 Bolted metal joist and method of manufacturing the same Oct. 5, 2004
6763646 Method and element for introducing shear forces into a concrete body, and concrete body Jul. 20, 2004
6684596 Structural elements Feb. 3, 2004
6584745 Floor construction comprising joists provided with level adjusting spacer screws, joists and spacer screws therefor Jul. 1, 2003
6581343 Prefabricated girder in two halves and roof structure Jun. 24, 2003
6560938 Box lintel May. 13, 2003
6420014 Z-shaped sheet piling Jul. 16, 2002
6385940 Method and apparatus for strengthening/restoring a reinforced/prestressed concrete structure May. 14, 2002
6370833 Structural elements Apr. 16, 2002
6363682 Lumber structural enhancer Apr. 2, 2002
6341456 Long-span in-situ concrete structures and method for constructing the same Jan. 29, 2002
6219988 Wrapping system for strengthening structural columns or walls Apr. 24, 2001
6112410 Methods for fabricating a structural beam Sep. 5, 2000
6101781 Beam structure and constructions using the same Aug. 15, 2000
6054197 Structural elements Apr. 25, 2000
6052962 Dowel support for bent-up reinforcement bars and process for the production thereof Apr. 25, 2000
5867960 Dowel member for reinforcing concrete structures Feb. 9, 1999
5770276 Composite filled hollow structure Jun. 23, 1998
5655349 Stud-through reinforcing system for structural concrete Aug. 12, 1997
5617685 Method and apparatus for increasing the shear strength of a construction structure Apr. 8, 1997
5560176 Prefabricated steel-concrete composite beam Oct. 1, 1996
5471812 Method for fabricating pretensioned concrete structures Dec. 5, 1995
5317856 Composite structure of wood and reinforced concrete, a composite girder and a dome shaped load bearing structure including such composite structure Jun. 7, 1994
5184439 Prestressed ligthweight panel Feb. 9, 1993
5152112 Composite girder construction and method of making same Oct. 6, 1992
5125200 Built-up support member Jun. 30, 1992
4951438 Building construction Aug. 28, 1990
4612751 Dapped end reinforcement assembly for precast prestressed concrete members Sep. 23, 1986
4571913 Prefabricated fireproof steel and concrete beam Feb. 25, 1986
4566240 Composite floor system Jan. 28, 1986
4341051 Building structure and process of beam assembly therein Jul. 27, 1982
4196558 Fire-resistant concrete and steel structural element Apr. 8, 1980
4079165 Composite materials Mar. 14, 1978
4030265 Arch beams and plates Jun. 21, 1977

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