Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Method of transmitting data using spatial multiplexing
Method and apparatus for sharing virtual workspaces
Solid-state imaging device and method for manufacturing the same
Device and implantation system for electrical stimulation of biological systems
Rotation angle detecting device
Image heating device
TRPM8 antagonists and their use in treatments
  Randomly Featured Patents
Coating compositions containing polyester resin, epoxy resins and an anticorrosion pigment
Image display apparatus having a reflecting surface that bends light rays
Semiconductor substrate and method of manufacturing the same
Neural network with weight adjustment based on prior history of input signals
Electromagnetic contactor
Razor
Thermal energy transfer apparatus and method
Heat hugger
Immersion optical system and optical apparatus having the same
Safety latch system