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Class Information
Number: 138/42
Name: Pipes and tubular conduits > With flow regulators and/or baffles > Restrictors > Tortuous path
Description: Devices in which the path of flow of the fluid is tortuous.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7584665 |
Combustion transducer apparatus employing pressure restriction means |
Sep. 8, 2009 |
| 7546999 |
Solenoid valve for controlling water supply |
Jun. 16, 2009 |
| 7540955 |
Photocatalytic water treatment apparatus |
Jun. 2, 2009 |
| 7520661 |
Static mixer |
Apr. 21, 2009 |
| 7517392 |
Breather system and method of using the same |
Apr. 14, 2009 |
| 7509979 |
Method and a device for slowing down and disintegrating a plug of liquid plunging forward in a duct |
Mar. 31, 2009 |
| 7472720 |
High flow nozzle system for flow control in bladder surge tanks |
Jan. 6, 2009 |
| 7469720 |
High energy dissipative and erosion resistant fluid flow enhancer |
Dec. 30, 2008 |
| 7449159 |
Liquid processing device and method of manufacturing processed liquid |
Nov. 11, 2008 |
| 7431045 |
Flow restrictor |
Oct. 7, 2008 |
| 7399412 |
Guide means for centrifugal force separators, especially cyclone separators |
Jul. 15, 2008 |
| 7380572 |
Energy attenuation apparatus for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit |
Jun. 3, 2008 |
| 7357619 |
Cross over flow diverter for noise reduction |
Apr. 15, 2008 |
| 7325572 |
Flow restrictor device for a medical apparatus |
Feb. 5, 2008 |
| 7325570 |
Method and apparatus for noise suppression in a fluid line |
Feb. 5, 2008 |
| 7320340 |
Fluid pressure reduction devices |
Jan. 22, 2008 |
| 7291194 |
Intermittent mixer with low pressure drop |
Nov. 6, 2007 |
| 7288128 |
Intermittent mixer with low pressure drop |
Oct. 30, 2007 |
| 7270280 |
Disc shape dripper |
Sep. 18, 2007 |
| 7258640 |
Apparatus for compensating viscous characteristics of hydraulic fluid in a hydraulic pressure line |
Aug. 21, 2007 |
| 7195034 |
Fluid trim apparatus and method |
Mar. 27, 2007 |
| 7185678 |
Orifice plate diffuser |
Mar. 6, 2007 |
| 7159602 |
Flow-measuring valve device and method |
Jan. 9, 2007 |
| 7150558 |
Device for producing emulsions, suspensions and the like |
Dec. 19, 2006 |
| 7140394 |
Thermostatic control valve with fluid mixing |
Nov. 28, 2006 |
| 7117894 |
Ball valve with high damping of the noise due to fluid passage |
Oct. 10, 2006 |
| 7108015 |
In-line flow through diaphragm tank |
Sep. 19, 2006 |
| 7073534 |
Silencer for perforated plate flow conditioner |
Jul. 11, 2006 |
| 7069950 |
Noise abatement module using Herschel-Quincke tubes |
Jul. 4, 2006 |
| 7066409 |
Fluid delivery tube structural body |
Jun. 27, 2006 |
| 7044437 |
Flexible size sparger for air cooled condensors |
May. 16, 2006 |
| 7007718 |
Energy attenuation apparatus for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit |
Mar. 7, 2006 |
| 6997205 |
Inlet protection apparatus and method |
Feb. 14, 2006 |
| 6971409 |
Method and apparatus for the treatment of fluids |
Dec. 6, 2005 |
| 6941973 |
Industrial vapor conveyance and deposition |
Sep. 13, 2005 |
| 6935370 |
Fluid pressure reduction device |
Aug. 30, 2005 |
| 6924056 |
Cascade fuel inlet manifold for fuel cells |
Aug. 2, 2005 |
| 6886600 |
Piping device and cutting oil coater using the same |
May. 3, 2005 |
| 6877714 |
Flow control valve having differently configured labyrinths to select closing speed |
Apr. 12, 2005 |
| 6866067 |
Micro channel unit |
Mar. 15, 2005 |
| 6860296 |
High flow nozzle system for flow control in bladder surge tanks |
Mar. 1, 2005 |
| 6840281 |
Liquid flow pressure reducer and method |
Jan. 11, 2005 |
| 6810904 |
Lavatory flush tank silent-operating fill device |
Nov. 2, 2004 |
| 6755209 |
Fill valve assembly for a flush tank |
Jun. 29, 2004 |
| 6756151 |
Unidirectional draining device |
Jun. 29, 2004 |
| 6742924 |
Fractal device for mixing and reactor applications |
Jun. 1, 2004 |
| 6722780 |
Preparation of liquid dispersions |
Apr. 20, 2004 |
| 6718633 |
Process for manufacturing valve trim assemblies |
Apr. 13, 2004 |
| 6708727 |
Pipe structure of branch pipe line |
Mar. 23, 2004 |
| 6701957 |
Fluid pressure reduction device |
Mar. 9, 2004 |
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