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Class Information
Number: 137/172
Name: Fluid handling > Diverse fluid containing pressure systems > Fluid separating traps or vents > Liquids separated from liquid
Description: Separating traps wherein the diverse fluids are liquids of different specific gravity.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8668105 Buoyant plug for emergency drain in floating roof tank Mar. 11, 2014
8404123 Fabrication of enclosed nanochannels using silica nanoparticles Mar. 26, 2013
8356618 Water separator for small boat fuel systems Jan. 22, 2013
8356616 Fuel tank valve Jan. 22, 2013
7993426 Moisture separator Aug. 9, 2011
7650902 Liquid thermal management purging system Jan. 26, 2010
7644723 Transmix prevention lock Jan. 12, 2010
7357146 Inflatable flow control apparatus and associated method Apr. 15, 2008
7314509 Gas liquid phase separator with improved pressure control Jan. 1, 2008
7216664 Device for blocking the water outlet of a light liquid separator May. 15, 2007
7067064 Decanting device for use on vessels with spill rails Jun. 27, 2006
7019541 Electric conductivity water probe Mar. 28, 2006
6926022 Condensate removal system Aug. 9, 2005
6368498 Liquid separator Apr. 9, 2002
6192915 Sewerage inlet Feb. 27, 2001
6083381 Fuel filter with sediment drain valve and level indicator Jul. 4, 2000
5918622 Separation valve Jul. 6, 1999
5725011 Apparatus for drainage of oil and water from a surface, especially from the deck of a tanker Mar. 10, 1998
5348041 Separator valve Sep. 20, 1994
5305779 Method, system, and apparatus for operating large power generating stations with improved environmental protection measures Apr. 26, 1994
5234012 Petroleum stream control system and method Aug. 10, 1993
5205310 System and method for flow control for high watercut oil production Apr. 27, 1993
5195587 Vapor recovery system Mar. 23, 1993
5184609 Divers first stage adjustable regulator Feb. 9, 1993
5161564 Automatic separator valve Nov. 10, 1992
5147534 Waste water treatment system Sep. 15, 1992
5101164 Petroleum stream monitoring system and method with sample verification Mar. 31, 1992
5095836 Emergency bulk liquid handling system for vessels Mar. 17, 1992
5070896 Portable apparatus for containing and regulating flow of a liquid into a drainage inlet Dec. 10, 1991
5042582 Horizontal heater/treater and/or vapor tight oil battery Aug. 27, 1991
5034102 Column for distillation of charge products having a tendency for two-phase formation in sump Jul. 23, 1991
4957214 Modification to floating roof tank design Sep. 18, 1990
4938878 Immiscible separating device Jul. 3, 1990
4865070 Flow regulating device Sep. 12, 1989
4799504 Tank constructions for containing fuel, and water separators for fuel feed systems Jan. 24, 1989
4790447 Modification to floating roof tank design Dec. 13, 1988
4779677 Oil well fluid processing system Oct. 25, 1988
4751939 Immersed hydraulic unit for controlling an underwater oil working station Jun. 21, 1988
4748999 Flow regulating device Jun. 7, 1988
4745942 Flow regulating device May. 24, 1988
4742842 Hydro-pneumatic pressure vessels May. 10, 1988
4723565 Flow regulating device Feb. 9, 1988
4676265 Vacuum pump drain device Jun. 30, 1987
4649281 Oil content monitor/control system Mar. 10, 1987
4647371 Oil/water disperser device for use in an oil content monitor/control system Mar. 3, 1987
4632139 Flow regulating device Dec. 30, 1986
4630628 Flow control apparatus Dec. 23, 1986
4628170 EDM using two separate dielectric fluids and a system for maintaining segregation of the fluids Dec. 9, 1986
4624278 Flow regulating device Nov. 25, 1986
4596266 Safety valve and system for hydrocarbon storage tanks Jun. 24, 1986

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