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Class Information
Number: 405/109
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Artificial water barrier (e.g., dam, levee, etc.) > Having impervious core
Description: Method or apparatus in which an impermeable center is placed in the barrier to prevent seepage.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6691472 |
Foundation wall protector |
Feb. 17, 2004 |
| 6053662 |
Panel assembly for RCC dam and construction method |
Apr. 25, 2000 |
| 5720576 |
Underwater construction of impermeable protective sheathings for hydraulic structures |
Feb. 24, 1998 |
| 5662983 |
Stabilized containment facility liner |
Sep. 2, 1997 |
| 5609438 |
Flood barrier and a method for forming a flood barrier |
Mar. 11, 1997 |
| 5454668 |
Flood barrier and a method for forming a flood barrier |
Oct. 3, 1995 |
| 5403125 |
Method and apparatus for providing underground barrier |
Apr. 4, 1995 |
| 5389166 |
Water barrier formed from a clay-fiber mat |
Feb. 14, 1995 |
| 5346565 |
Water barrier of water-swellable clay sandwiched between interconnected layers of flexible fabric needled together using a lubricant |
Sep. 13, 1994 |
| 5346566 |
Water barrier of water-swellable clay or other abrasive material sandwiched between interconnected layers of flexible fabric sewn or needled together using a lubricant and/or a liquid adhesive |
Sep. 13, 1994 |
| 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 |
| 5143480 |
Method for protecting dams, with pressureless dehydration by condensation and drainage of the water in the dam body |
Sep. 1, 1992 |
| 5041330 |
Water and/or oil-impermeable sealing mat consisting substantially of a substrate layer, a layer of swellable clay and a cover layer |
Aug. 20, 1991 |
| 4834579 |
Waterproofing dams and the like |
May. 30, 1989 |
| 4832528 |
Watertight walls for hydraulic structures in compacted concrete and methods for constructing said walls |
May. 23, 1989 |
| 4664560 |
Profile to form a watertight screen in the ground and method of disposing the same |
May. 12, 1987 |
| 4659252 |
RCC dam construction and method |
Apr. 21, 1987 |
| 4508471 |
Method and machine for the layered placing of core material and of the adjacent transitional material for dams |
Apr. 2, 1985 |
| 4266885 |
Method of constructing a continuous cut-off wall and a core of a fill-type dam |
May. 12, 1981 |
| 4090363 |
Dam of earth or rock fill having impervious core |
May. 23, 1978 |
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