Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 405/48
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway > Open seam or shielded outlet
Description: Method or apparatus wherein (a) the water-conducting member is a generally closed channel which has longitudinally extending juncture formed therein in which an exit or entrance passage is provided, or (b) the exit or entrance passage is provided with means overhanging the passage to preclude the entry of dirt, soil, or like clogging material.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8562250 Method for injecting surface water into the ground Oct. 22, 2013
8479815 Desalination subsurface feedwater supply and brine disposal Jul. 9, 2013
8192109 Subsurface irrigation system Jun. 5, 2012
8056629 Slant well desalination feedwater supply system and method for constructing same Nov. 15, 2011
7458749 Wastewater effluent shield Dec. 2, 2008
7451784 Corrugated pipe with perforation protecting cover Nov. 18, 2008
7246472 Drain and a building structure having a drain Jul. 24, 2007
7160059 Adjustable angle coupler for leaching chamber systems Jan. 9, 2007
7052207 Sediment control drain and method of construction May. 30, 2006
7008137 Cover for a drainage arrangement and a method of producing such an arrangement Mar. 7, 2006
6749367 Orifice shield for a drainage conduit in a wastewater treatment drain field Jun. 15, 2004
6739800 Self-flushing gutter pipe May. 25, 2004
6691472 Foundation wall protector Feb. 17, 2004
6666621 Temporary trench cover and rail Dec. 23, 2003
6663317 Drainage channel Dec. 16, 2003
6612777 Stormwater dispensing chamber Sep. 2, 2003
6609852 Sediment control drain and method of construction Aug. 26, 2003
6602023 Leaching chamber endplate Aug. 5, 2003
6592293 Adjustable angle coupler for leaching chamber systems Jul. 15, 2003
6467995 Self-flushing pipe Oct. 22, 2002
6361248 Stormwater dispensing chamber Mar. 26, 2002
6167914 Orifice protector Jan. 2, 2001
6129482 Reversible interlocking field drain panel Oct. 10, 2000
5839844 Leaching chamber endplate Nov. 24, 1998
5669733 Angled adapter for a leaching chamber system Sep. 23, 1997
5588778 Leaching chamber with angled end Dec. 31, 1996
5556231 Severable leaching chamber with end cap Sep. 17, 1996
5401116 Leaching system conduit with cantilevered leg joint Mar. 28, 1995
5360556 Method of feeding wastewater effluent to filter bed through parallel conduits Nov. 1, 1994
5340234 Trench drain system and installation method Aug. 23, 1994
5156488 Leaching system conduit with sub-arch Oct. 20, 1992
5135334 Method and apparatus of water-saving irrigation system Aug. 4, 1992
5129758 System and method for distribution of greywater to a soil bed Jul. 14, 1992
5102259 Sub-surface irrigation systems Apr. 7, 1992
5087151 Drainage system Feb. 11, 1992
5024555 Sub-surface irrigation system Jun. 18, 1991
5017041 Leaching system conduit with high rigidity joint May. 21, 1991
4923330 Storm water injection well May. 8, 1990
4824288 Culvert drainpipe system and method of use Apr. 25, 1989
4759661 Leaching system conduit Jul. 26, 1988
4721408 Water distribution system Jan. 26, 1988
4421810 Perforated drainpipe and method of making same Dec. 20, 1983
4402631 Subsurface irrigation Sep. 6, 1983
4389138 Drain pipe Jun. 21, 1983
4330222 Irrigation means and method May. 18, 1982
4309855 Wall drainage system Jan. 12, 1982
4183696 Underground drainage pipe Jan. 15, 1980
4182583 Underground percolation head and watering system Jan. 8, 1980
4145157 Modular drain field section Mar. 20, 1979
4016727 Drain trough member and its connector Apr. 12, 1977

1 2










 
 
  Recently Added Patents
Signal processor and signal processing method
Automatic actuator for breakers or switches
Active pulse blood constituent monitoring
Configurable memory controller/memory module communication system
Image processing apparatus
Optoelectronic component and method for producing an optoelectronic component
Method and structure for image local contrast enhancement
  Randomly Featured Patents
Scanning electron microscope for observing and measuring minute pattern of sample
Remote browsing and searching
Aqueous based solvent free cleaning degreaser compositions containing alcohol alkoxylates, polyoxyalkylene block copolymers, and fatty alcohols having oxyethylate moieties
Alkanedicarboxylic diester compounds
Method for correcting differential output mismatch in a passive CMOS mixer circuit
Method of playing a card game
Process for extraction of naphthenic acids from crudes
Long travel damper with low lag dynamic spring retainers
Training bat
Wax-flux composition containing a diester of sulfomaleic acid for soldering