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Class Information
Number: 52/220.3
Name: Static structures (e.g., buildings) > Wall, ceiling, or floor designed for utilities > Multiple passageway or multicellular load-bearing units (e.g., grid or two parallel pipes in a slab)
Description: Unit containing (1) two parallel duct-type paths or (2) a network of uniformly arranged horizontal and perpendicular spaces.










Sub-classes under this class:

Class Number Class Name Patents
52/220.4 Corrugated type 67


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8689502 Preformed duct system Apr. 8, 2014
8674238 Guideway mechanism Mar. 18, 2014
8640407 Masonry building block and interlocking wall system incorporating such blocks Feb. 4, 2014
8590263 Method of making unitized building integrated photovoltaic conversion module Nov. 26, 2013
8555585 Pre-insulated structural building panels Oct. 15, 2013
8468760 Blast-resistant foundations Jun. 25, 2013
8453399 Roof batten Jun. 4, 2013
8387329 Rebar cage stiffener ring Mar. 5, 2013
8336833 Modular grid system Dec. 25, 2012
8333041 Method of assembling UL compliant building integrated photovoltaic conversion system Dec. 18, 2012
8316612 Pre-insulated structural building panels Nov. 27, 2012
8302357 Blast-resistant foundations Nov. 6, 2012
8240095 Deck assembly with liner panel Aug. 14, 2012
8240108 Modular building block system and method of manufacture Aug. 14, 2012
8201369 System and method for passing conduits through structural members with minimal adverse effect Jun. 19, 2012
8191324 Modular pre-cast composite flooring panel and floor system Jun. 5, 2012
8171679 Integrated electrical conduit for solar PV system May. 8, 2012
8171680 Building integrated photovoltaic conversion system implemented in both vision and spandrel areas May. 8, 2012
8091300 Modular building blocks system and method of manufacture Jan. 10, 2012
8077457 Modularization of data center functions Dec. 13, 2011
8051613 Combined wall panel Nov. 8, 2011
8028483 Panel Oct. 4, 2011
8011161 Homes and home construction Sep. 6, 2011
8004831 Orthogonally system arrangements for data center facility Aug. 23, 2011
7975436 Utility trench cover and manufacturing method Jul. 12, 2011
7968805 Cable conduit system Jun. 28, 2011
7941982 Integrated curtain wall and wireway distribution system May. 17, 2011
7918061 Modular basement air circulation and finishing system Apr. 5, 2011
7856773 All-in-one modular construction system Dec. 28, 2010
7832159 Radiant in-floor heating system Nov. 16, 2010
7743565 Modular building block system and method of manufacture Jun. 29, 2010
7726080 Under-floor storage Jun. 1, 2010
7724518 Orthogonally system arrangements for data center facility May. 25, 2010
7696433 Cable outlet element, cable outlet device, cable outlet arrangement, method for producing a cable element and the use of a cable outlet element in an aircraft Apr. 13, 2010
7690170 Homes and home construction Apr. 6, 2010
7673422 Modular buildings Mar. 9, 2010
7658005 Method for producing heat exchanger elements, heat exchanger elements and method for assembling such elements Feb. 9, 2010
7640699 Air conditioning line flashing panel Jan. 5, 2010
7640702 Floor support systems and methods Jan. 5, 2010
7596913 Multi-passage guide system Oct. 6, 2009
7518060 Prefabricated structural member having a wire routing system Apr. 14, 2009
7490443 Modular flooring system Feb. 17, 2009
7476801 Wire basket pathway system Jan. 13, 2009
7470861 Power module for an electrical busway Dec. 30, 2008
7468488 Connection mechanism for coupling a power module to an electrical busway Dec. 23, 2008
7408113 Corner duct with co-extruded hinges Aug. 5, 2008
7281356 Modular bracket with selectable radius for supporting passage cores for concrete structures Oct. 16, 2007
7216462 Insulated concrete panel billets May. 15, 2007
7208676 Adjustable mid-panel spillover fitting Apr. 24, 2007
7150584 Steel-pipe sheet pile and coupling structure of steel-pipe sheet piles Dec. 19, 2006

1 2 3 4










 
 
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