Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 405/95
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Condition responsive > To pressure on pivoted water gate > With latch for closed position
Description: Method or apparatus including a restraining means to retain the water gate in its closed position, wherein the water gate is opened by the pressure of the liquid only after the restraining means is released.

Patents under this class:

Patent Number Title Of Patent Date Issued
8590560 Opening/closing device Nov. 26, 2013
7467911 Storm drain basin gate system Dec. 23, 2008
6779947 Gate systems and methods for regulating tidal flows Aug. 24, 2004
6692187 Flood gate for door Feb. 17, 2004
6485231 Foundation flood gate with ventilation Nov. 26, 2002
5678956 Navigational bypass, gate and pump device for use in water Oct. 21, 1997

  Recently Added Patents
Intelligent sensor network
Scanning optical positioning system with spatially triangulating receivers
Particulate filter with hydrogen sulphide block function
Visual indicator of online backup
Real-time RSL monitoring in a web-based application
Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus
Clostridium chauvoei polypeptide, DNA encoding the polypeptide and a vaccine comprising the polypeptide
  Randomly Featured Patents
Cathodically protected polyolefin coated pipelines
Method and apparatus for managing power in a processing system with multiple partitions
Instruments and techniques for guiding instruments to a spinal column
Device for collecting honey and comb honey package
Optical low-pass filter
Fas peptide mimetics and uses thereof
Fluid pressure regulating valve
Communication control unit and communication control method applied for multicast-supporting LAN
Object supporting structure
Doppler navigation antenna having automatic land-sea error correction