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Class Information
Number: 52/651.01
Name: Static structures (e.g., buildings) > Openwork; e.g., truss, trellis, grille, screen, frame, or rebar chair > Three-dimensional space-defining > Vertically oriented (e.g., tower, etc.)
Description: Subject matter comprising a structure having imposing vertical dimensions.










Sub-classes under this class:

Class Number Class Name Patents
52/651.07 Column, mast, etc. 49
52/651.02 For electrical conductor (e.g., line-pole, line-tower, etc.) 37
52/651.05 For supporting hoisting or boring equipment (e.g., derrick, gantry) 27
52/651.1 Scaffolding 37


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
6907706 Tower for wind power installations Jun. 21, 2005
6902149 Vulnerable target protection system Jun. 7, 2005
6871469 Triangulation of a lattice girder, in particular of a jib element for a tower crane Mar. 29, 2005
6745539 Lattice tower Jun. 8, 2004
6668498 System and method for supporting guyed towers having increased load capacity and stability Dec. 30, 2003
6578339 Sectional tower with intermediate legs Jun. 17, 2003
6523319 Mobile rig Feb. 25, 2003
6463709 Modular deployable antenna Oct. 15, 2002
6408587 Structural members and associated parts Jun. 25, 2002
6379085 Method and apparatus for relocating a structure from a first elevation to a second elevation Apr. 30, 2002
6250025 Assembleable columbarium tower Jun. 26, 2001
6237297 Modular structural members for constructing buildings, and buildings constructed of such members May. 29, 2001
6108996 Apparatus and method for retrofitting towers exchanger Aug. 29, 2000
5980160 Apparatus and method for a modular lifting and shoring system Nov. 9, 1999
5956915 Tubular drill mast Sep. 28, 1999
5904022 Aesthetic post and beam construction having modular parts May. 18, 1999
5894703 Fiber glass-reinforced plastic mast Apr. 20, 1999
5881504 Temporary frame system for construction Mar. 16, 1999
5832688 Lightweight, prestressed tower Nov. 10, 1998
5802772 Releaseable joint for joining two construction elements and transportable construction comprising same Sep. 8, 1998
5644888 Heavy construction system using composite members Jul. 8, 1997
5327700 Collapsible modular display tower assembly Jul. 12, 1994
5285613 Pultruded joint system and tower structure made therewith Feb. 15, 1994
5155961 Lightweight cooling tower with cruciform columns Oct. 20, 1992
4965974 Steel utility structure and method for assembly thereof Oct. 30, 1990
4745412 Lightweight tower assemblies for antennas and the like May. 17, 1988
4743141 Offshore truss work type tower structure May. 10, 1988
4696135 Method and apparatus for constructing towers Sep. 29, 1987
4694630 Tower and method of constructing a tower Sep. 22, 1987
4503645 Tower base assembly Mar. 12, 1985
3968602 Protective workman and equipment covers Jul. 13, 1976

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