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Class Information
Number: 405/90
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Removable
Description: Method or apparatus relating to a water gate which opens and closes by removing and replacing the entire gate structure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7281879 |
Portable flood-barriers system |
Oct. 16, 2007 |
| 7033112 |
Water-retaining structure |
Apr. 25, 2006 |
| 6840711 |
Flood control panel system |
Jan. 11, 2005 |
| 6837655 |
Submersible canal bypass |
Jan. 4, 2005 |
| 6604889 |
Sluice gate wall thimble |
Aug. 12, 2003 |
| 6543968 |
Submersible canal bypass |
Apr. 8, 2003 |
| 6540437 |
End dam assembly for drainage channel |
Apr. 1, 2003 |
| 6409427 |
Soil erosion collector |
Jun. 25, 2002 |
| 6287051 |
Fixable seal sluice gate |
Sep. 11, 2001 |
| 6213683 |
Flexible film weir |
Apr. 10, 2001 |
| 6132140 |
Method for the fabrication of a dam or barrier |
Oct. 17, 2000 |
| 5997213 |
Ditch check |
Dec. 7, 1999 |
| 5895579 |
Adjustable inlet for waste water treatment apparatus |
Apr. 20, 1999 |
| 5882144 |
Device and method for triggering the destruction of a selected part of a hydraulic structure, such as a levee, a dike or a backfilled dam, and hydraulic structure comprising such a device |
Mar. 16, 1999 |
| 5795467 |
Adjustable inlet for waste water treatment apparatus |
Aug. 18, 1998 |
| 5791817 |
Ditch dam |
Aug. 11, 1998 |
| 5720575 |
Water control and diversion headgate and method of manufacture |
Feb. 24, 1998 |
| 5680989 |
Adjustable weir for liquid distribution systems |
Oct. 28, 1997 |
| 5195846 |
Spillway for discharging extraordinary floods at dams having at least two flood discharge structures |
Mar. 23, 1993 |
| 5156489 |
Adjustable flume |
Oct. 20, 1992 |
| 5077945 |
Doorway flood barrier |
Jan. 7, 1992 |
| 5032038 |
Overflow spillway for dams, weirs and similar structures |
Jul. 16, 1991 |
| 4881847 |
Artificial water lagoons |
Nov. 21, 1989 |
| 4729692 |
Apparatus and method for quieting flowing waters |
Mar. 8, 1988 |
| 4467645 |
Weir |
Aug. 28, 1984 |
| 4330224 |
Collapsible rubber dam installation |
May. 18, 1982 |
| 4147451 |
Apparatus for valve installation in a flume |
Apr. 3, 1979 |
| 4024717 |
Folding aluminum rice and irrigation box |
May. 24, 1977 |
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