Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 405/105
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Sliding > Vertical > Gate unseating
Description: Method or apparatus wherein (a) means are provided for shifting the movable member out of contact with a cooperating sealing surface prior to or at the moment vertical movement begins, or (b) the movable member and the cooperating sealing surface are so configured that as the member is moved vertically from its sealing position, the member moves entirely off the sealing surface.

Patents under this class:

Patent Number Title Of Patent Date Issued
8651767 Rotatable wheel box service panel door and equalizer Feb. 18, 2014
8622652 Overflow and underflow doors Jan. 7, 2014
8425150 Rotatable wheel box service panel door and equalizer Apr. 23, 2013
8393827 Box service panel door and equalizer Mar. 12, 2013
8246272 Actuated spill barrier Aug. 21, 2012
7972081 Sea wall system with displaceable and water level actuating components Jul. 5, 2011
6287051 Fixable seal sluice gate Sep. 11, 2001
4832527 Vertically reciprocable gates for the control of a liquid media May. 23, 1989
4582451 Floodgate panel and sealing means therefor Apr. 15, 1986
4288059 Sluice gate Sep. 8, 1981
4265564 Sluice gate assembly May. 5, 1981
4070863 Sluice gate assembly with extrudable seal Jan. 31, 1978

  Recently Added Patents
Compositions substantially free of sodium chloride and methods for the storage of red blood cells
Image pickup device with a plurality of pixels and an AD conversion circuit
Data distribution apparatus, data distribution method, and distribution control program
Methods and systems for adapting a user environment
Systems and methods for processing telephone calls
Calibration device and related method for phase difference between data and clock
Solution based precursors
  Randomly Featured Patents
Center opening treatment tank for use with metal tank flanges
Apparatus for examining carcasses with an ultrasound transducer
Personal stimulating wiping systems
Dispensed guided submunition
Rotary cutting cylinder blade height setting gauge
Adjustably mountable display frame
Method of making transistor having a gate dielectric which is substantially resistant to drain-side hot carrier injection
Apparatus and method for remote monitoring and servicing material application systems
Method and system for removing solutes from a fluid using magnetically conditioned coagulation
System and method for privilege delegation and control