Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 405/88
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Center flow
Description: Method or apparatus wherein a hollow flow regulating member is movably mounted on a submerged takeoff whereby liquid flows in a controllable fashion across the perimeter of and through the hollow member into the takeoff.

Patents under this class:

Patent Number Title Of Patent Date Issued
6604889 Sluice gate wall thimble Aug. 12, 2003
6474361 Floating weir assembly and fluid flow management system comprising same Nov. 5, 2002
5680989 Adjustable weir for liquid distribution systems Oct. 28, 1997
4669914 Hydrologic discharge control assembly and method Jun. 2, 1987
4146346 Apparatus and method for controlling tide waters Mar. 27, 1979

  Recently Added Patents
Moving structure and micro-mirror device using the same
Silicone hydrogel, lens for eye and contact lens
Method of fabricating solid electrolytic capacitor and solid electrolytic capacitor
Economic filtering system for delivery of permission based, targeted, incentivized advertising
Workflow-enabled client
System and method of interfacing co-processors and input/output devices via a main memory system
People engine optimization
  Randomly Featured Patents
Stretch resistant embolic coil delivery system with mechanical release mechanism
Articularly mounted battery-powered walk-behind reel lawnmower
Domestic electric appliance
Light source device and projection type display unit to which the device is applied
Process for the preparation of human monoclonal antibodies and their use
Semiconductor chip removing and conveying method and device
Log-periodic longitudinal slot antenna array excited by a waveguide with a conductive ridge
Superconducting tapes
Security seals
Self-orienting loader bucket mechanism