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Class Information
Number: 405/38
Name: Hydraulic and earth engineering > Drainage or irrigation > Including subsurface moisture barrier
Description: Method or apparatus wherein an artificial layer of water impermeable material is provided below the soil surface and is positioned to prevent the passage of water from a region above the layer to a region therebelow.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7287932 |
Ballasting system for on-site sewage treatment and disposal system |
Oct. 30, 2007 |
| 7144609 |
Artificial turf system |
Dec. 5, 2006 |
| 7132467 |
Stabilization of polyolefins in permanent contact with chlorinated water |
Nov. 7, 2006 |
| 7008137 |
Cover for a drainage arrangement and a method of producing such an arrangement |
Mar. 7, 2006 |
| 6988852 |
Drainage element for walls and septic tank systems |
Jan. 24, 2006 |
| 6877932 |
Drainage system and method for artificial grass using spacing grid |
Apr. 12, 2005 |
| 6857818 |
Drainage element for walls and septic tank systems |
Feb. 22, 2005 |
| 6712552 |
Geosynthetic material irrigation system |
Mar. 30, 2004 |
| 6691472 |
Foundation wall protector |
Feb. 17, 2004 |
| 6672016 |
Wall and sub-floor water drain barrier panel for basement water-control systems |
Jan. 6, 2004 |
| 6634144 |
Home waterproofing system |
Oct. 21, 2003 |
| 6558080 |
Methods and compact apparatus for covering landfill |
May. 6, 2003 |
| 6539681 |
Spacer plate for a hollow floor and a hollow floor made therewith |
Apr. 1, 2003 |
| 6467991 |
Process and material for preventing contamination and erosion of golf course sand traps |
Oct. 22, 2002 |
| 6431793 |
Containment system for spills |
Aug. 13, 2002 |
| 6372310 |
Combined and stabilized turf for an athletic field |
Apr. 16, 2002 |
| 6309139 |
Manhole with extension wings |
Oct. 30, 2001 |
| 6287049 |
Layered foundation for play surface |
Sep. 11, 2001 |
| 6242062 |
Combined turf |
Jun. 5, 2001 |
| 6238137 |
Containment system for spills |
May. 29, 2001 |
| 6227763 |
Waterway |
May. 8, 2001 |
| 6221445 |
Composite artificial turf structure with shock absorption and drainage |
Apr. 24, 2001 |
| 6146051 |
Paving system for spillage and flood management |
Nov. 14, 2000 |
| 5938372 |
Subsurface irrigation apparatus and method |
Aug. 17, 1999 |
| 5915878 |
Silt fence machine |
Jun. 29, 1999 |
| 5860772 |
High shear strength clay liner, method and apparatus for its production |
Jan. 19, 1999 |
| 5836115 |
Foundation waterproofing and drainage system |
Nov. 17, 1998 |
| 5752784 |
Low profile drainage network for athletic field drainage system |
May. 19, 1998 |
| 5662983 |
Stabilized containment facility liner |
Sep. 2, 1997 |
| 5529438 |
Geosynthetic clay liner with modified edges for improved sealing |
Jun. 25, 1996 |
| 5489462 |
Distance plate building component with a protective, ventilating, heat-insulating and drainage function |
Feb. 6, 1996 |
| 5460867 |
Separation layer for laying grass-surfaces on sand-and/or gravel base |
Oct. 24, 1995 |
| 5431553 |
Manhole seal molding apparatus |
Jul. 11, 1995 |
| 5429453 |
Means for resurfacing tennis courts and the like |
Jul. 4, 1995 |
| 5428877 |
Sealing sheeting of swellable clay impervious to water and/or oil |
Jul. 4, 1995 |
| 5374138 |
Subsurface irrigation apparatus and method |
Dec. 20, 1994 |
| 5362182 |
Waste disposal landfill having subsurface impermeable sheets which can be monitored with respect to their impermeability |
Nov. 8, 1994 |
| 5348422 |
Methods for the formation and operation of an in situ process reactor |
Sep. 20, 1994 |
| 5316410 |
Foundation drainage system |
May. 31, 1994 |
| 5310280 |
Subsoil structure for sodded ground |
May. 10, 1994 |
| 5249885 |
Method or use of composite drywell |
Oct. 5, 1993 |
| 5248225 |
Insulating drainage method and diverter for building foundations |
Sep. 28, 1993 |
| 5237945 |
Water barrier formed from a clay-fiber mat |
Aug. 24, 1993 |
| 5221568 |
Water and/or oil-permeable sealing mat consisting substantially of a substrate layer, a layer of swellable clay and a cover layer |
Jun. 22, 1993 |
| 5174231 |
Water-barrier of water-swellable clay sandwiched between interconnected layers of flexible fabric needled together using a lubricant |
Dec. 29, 1992 |
| 5120157 |
Tennis court irrigation |
Jun. 9, 1992 |
| 5092709 |
Landfill site with leachate collection |
Mar. 3, 1992 |
| 5082397 |
Method of and apparatus for controlling fluid leakage through soil |
Jan. 21, 1992 |
| 5080528 |
Method and apparatus for impounding fluids |
Jan. 14, 1992 |
| 5076726 |
Recreational area construction |
Dec. 31, 1991 |
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