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Class Information
Number: 405/106
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Sliding > Vertical > With lift mechanism or latch
Description: Method or apparatus including means (a) to provide a mechanical advantage to raise the gate, or (b) to hold the gate in a predetermined position.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7244078 |
Control gates |
Jul. 17, 2007 |
| 7094002 |
Holding apparatus for a dam unit of a dam installation and a method for holding and raising or lowering such a dam unit |
Aug. 22, 2006 |
| 7083359 |
Control gates |
Aug. 1, 2006 |
| 6698766 |
Slide gate sealing system |
Mar. 2, 2004 |
| 6623210 |
Guidance method and guidance system of flood water |
Sep. 23, 2003 |
| 6287051 |
Fixable seal sluice gate |
Sep. 11, 2001 |
| 6176493 |
Slide gate and seal therefor |
Jan. 23, 2001 |
| 5842118 |
Communication system including diversity antenna queuing |
Nov. 24, 1998 |
| 5642534 |
Spa weir gate |
Jul. 1, 1997 |
| 5361916 |
Gate-handling crane |
Nov. 8, 1994 |
| 5141361 |
Door seal for water slide gates |
Aug. 25, 1992 |
| 5125766 |
Mechanical automatic tilting weir with selfadjusting lowering of the weir-level during larger discharges |
Jun. 30, 1992 |
| 4911313 |
Linkage lifting apparatus |
Mar. 27, 1990 |
| 4877352 |
Method and apparatus for control of an upstream water level |
Oct. 31, 1989 |
| 4848962 |
Slide gate and seals therefor |
Jul. 18, 1989 |
| 4729692 |
Apparatus and method for quieting flowing waters |
Mar. 8, 1988 |
| 4726709 |
Sealing assemblies |
Feb. 23, 1988 |
| 4582296 |
Composite blade for dampers for ducts of large cross sectional areas |
Apr. 15, 1986 |
| 4549837 |
Penstock |
Oct. 29, 1985 |
| 4524950 |
Open channel gate valve |
Jun. 25, 1985 |
| 4478534 |
Flood control system |
Oct. 23, 1984 |
| 4439061 |
Aluminum stoplogs |
Mar. 27, 1984 |
| 4288059 |
Sluice gate |
Sep. 8, 1981 |
| 4226553 |
Slide gates for water and sewage treatment plants |
Oct. 7, 1980 |
| 4147451 |
Apparatus for valve installation in a flume |
Apr. 3, 1979 |
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