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Class Information
Number: 404/2
Name: Road structure, process, or apparatus > Drain or gutter
Description: Subject matter relating to a depression, swale or channel extending along a road, often at the juncture of a roadway and a curb, at the road surface, within the road or beneath the road for the purpose of guiding or limiting water flow.










Sub-classes under this class:

Class Number Class Name Patents
404/4 Street or curb inlet for surface drainage 308
404/3 With conduit support means 31


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8523477 Press-fit restrictor plate Sep. 3, 2013
8512556 Water resistant hatch and hood Aug. 20, 2013
8505131 Trench drain system and method of installation on level floor surface, paticulary for shower rooms Aug. 13, 2013
8469625 Water permeable traffic bearing system, method and drainage joint for use with same Jun. 25, 2013
8419311 Surface drainage system Apr. 16, 2013
8353640 Load supporting panel having impact absorbing structure Jan. 15, 2013
8322944 Trench drain with sloping rails Dec. 4, 2012
8292541 Trench grate assembly with debris chute Oct. 23, 2012
8272807 Surface drainage system Sep. 25, 2012
8240946 Water drainage system Aug. 14, 2012
8235624 Restrictor plate with securing system Aug. 7, 2012
8211298 Cast metal article and a method of its manufacture Jul. 3, 2012
8122674 Grating system forvehicular and pedestrian traffic Feb. 28, 2012
8075220 Curb covering device Dec. 13, 2011
8075219 Grates Dec. 13, 2011
7993072 Restrictor plate with securing system Aug. 9, 2011
7967523 Trench drain assembly Jun. 28, 2011
7959372 Molded sectional curb constructions in combination with paved roadways and method Jun. 14, 2011
7946784 Grating system May. 24, 2011
7931421 Grating Apr. 26, 2011
7909531 Surface drainage system Mar. 22, 2011
7887257 Drain sealing device Feb. 15, 2011
7866911 Slotted drain Jan. 11, 2011
7810291 Connectable drainage device Oct. 12, 2010
7780372 Flow restricting member Aug. 24, 2010
7736092 Trench drain with sloping rails Jun. 15, 2010
7699557 Aquifer replenishment system Apr. 20, 2010
7682104 Culvert inlet protection device Mar. 23, 2010
7651293 Aquifer replenishment system Jan. 26, 2010
7651297 Catch basin having selectable port position Jan. 26, 2010
7637694 Adjustable drain for stone decking Dec. 29, 2009
7637695 Heavy duty trench frame and grate assembly Dec. 29, 2009
7637687 Tree grille system Dec. 29, 2009
7632042 Method, apparatus and system for forming drainage and trench forming systems Dec. 15, 2009
7575394 Aquifer replenishment system Aug. 18, 2009
7559720 Culvert bundle for stream crossings and flow-through bridge abutments Jul. 14, 2009
7556450 Water collecting structure and drainage structure using the same Jul. 7, 2009
7513712 Device and a method for drainage of water from rock caves Apr. 7, 2009
7507054 Pre-sloped trench drain system Mar. 24, 2009
7491017 Surface drainage system Feb. 17, 2009
7458745 Drainage channel Dec. 2, 2008
7455473 Method of manufacturing, installing, and exchanging rubber seal for expansion joint Nov. 25, 2008
7425105 Overside drain system for roadways and like surface areas Sep. 16, 2008
7413372 Trench drain frame and grate assembly Aug. 19, 2008
7393153 Grating system Jul. 1, 2008
7341400 Sustainable surface water disposal system Mar. 11, 2008
7303357 Catch basin having selectable port position Dec. 4, 2007
7293937 Cover arrangement Nov. 13, 2007
7264418 Modular slotted drain assembly Sep. 4, 2007
7246968 Storm sewer inlet grate system Jul. 24, 2007

1 2 3 4 5










 
 
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