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Class Information
Number: 404/3
Name: Road structure, process, or apparatus > Drain or gutter > With conduit support means
Description: Drain or gutter structure with provision for holding or protecting pipe, cable, electrical wiring and the like.

Patents under this class:

Patent Number Title Of Patent Date Issued
8523477 Press-fit restrictor plate Sep. 3, 2013
8475079 Drainage apparatus including a support device and a wedge Jul. 2, 2013
8457808 Automated infrastructure delivery system Jun. 4, 2013
8240946 Water drainage system Aug. 14, 2012
7632042 Method, apparatus and system for forming drainage and trench forming systems Dec. 15, 2009
7413372 Trench drain frame and grate assembly Aug. 19, 2008
7150131 Utility trenching and sidewalk system Dec. 19, 2006
7146295 Computerized design method and apparatus for drainage systems Dec. 5, 2006
6860678 Method and apparatus for aligning channel sections with an adjustable alignment key Mar. 1, 2005
6702510 Utility sidewalk Mar. 9, 2004
6663317 Drainage channel Dec. 16, 2003
6286874 Hose coupling protector Sep. 11, 2001
6220784 Method and apparatus for forming a trench Apr. 24, 2001
5755527 Roadway water ramp apparatus May. 26, 1998
5735637 Method and apparatus for supporting and anchoring drainage channel sections Apr. 7, 1998
5645367 Drainage system having an embedded conduit connector Jul. 8, 1997
5522675 Method and apparatus for aligning drainage channel sections Jun. 4, 1996
5518336 Drainage gutter and method of installing May. 21, 1996
5501547 Modular channel section assembly for providing a drainage system Mar. 26, 1996
5437516 Surface drainage apparatus Aug. 1, 1995
5375940 Water permeable landscape ditch cover Dec. 27, 1994
5372457 Method and apparatus for installing drainage channels Dec. 13, 1994
5320445 Grate riser assembly for use with catch basins and the like Jun. 14, 1994
5282691 Structural material and drain Feb. 1, 1994
5267367 Safety ramp and method for protecting hoses and conduits Dec. 7, 1993
4898494 Subsurface water drainage system Feb. 6, 1990
4806043 Method and device for drainage of borders of all stabilized civil engineering areas or of adjacent borders of a structure Feb. 21, 1989
4793728 Subsurface water drainage system Dec. 27, 1988
4508470 Manhole/access cover and frame assemblies Apr. 2, 1985
4181448 Combination roadway and pipeline way in permafrost regions Jan. 1, 1980
4124324 Modular cable trench system Nov. 7, 1978

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