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Class Information
Number: 239/500
Name: Fluid sprinkling, spraying, and diffusing > Flow deflecting or rotation controlling means > Serially arranged deflecting surfaces
Description: Apparatus in which there is provided either (1) a plurality of redirecting or dispersing surfaces spaced in the direction of the flowing stream, or (2) a single such redirecting or dispersing means having a plurality of surfaces also spaced in the direction of flow so that in either case at least part of the fluid leaving the egress opening impinges on two or more of such surfaces.


Sub-classes under this class:

Class Number Class Name Patents
239/501 Surfaces of spiral or helical form 16


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7562715 Fire protection systems and components thereof with reduced friction Jul. 21, 2009
7472843 Air induction liquid spray nozzle assembly Jan. 6, 2009
7469710 Supersonic diffuser Dec. 30, 2008
7438241 Low pressure fuel injector nozzle Oct. 21, 2008
7328856 Airless dispenser for dispensing low doses of liquid products, in particular cosmetic or pharmaceutical products Feb. 12, 2008
7309030 Injection nozzle Dec. 18, 2007
7234654 Fuel injector Jun. 26, 2007
7188789 Atomising nozzle Mar. 13, 2007
7185832 Fuel injection nozzle for an internal combustion engine with direct fuel injection Mar. 6, 2007
7168412 Injection nozzle Jan. 30, 2007
7036748 Method and apparatus for the drying of cemented carbide powder and the like May. 2, 2006
7032843 Mixing nozzle Apr. 25, 2006
6978942 Shockwave injector nozzle Dec. 27, 2005
6916174 Gas burner Jul. 12, 2005
6837448 Nozzle device for spraying defined areas Jan. 4, 2005
6827292 Watering system and fertilizer dispenser Dec. 7, 2004
6745847 Fire extinguishing spray nozzle Jun. 8, 2004
6634568 Method and means for drying cemented carbide and similar Oct. 21, 2003
6550693 Coating apparatus and method of use Apr. 22, 2003
6481644 Device by sprinkler nozzle Nov. 19, 2002
6450266 Sprinkler arrangement for document storage Sep. 17, 2002
6450265 Large orifice ESFR sprinkler arrangement Sep. 17, 2002
6405944 Spraying attachment and appliance Jun. 18, 2002
6360970 Water diffuser Mar. 26, 2002
6354514 Method and apparatus for treating material having poor thermal conductivity Mar. 12, 2002
6322001 Ejector device Nov. 27, 2001
6302142 Supersonic gas flow device incorporating a compact supersonic diffuser Oct. 16, 2001
6276927 Nozzle assembly for a gas burner Aug. 21, 2001
6257504 Orifice plate feed nozzle and atomization process Jul. 10, 2001
6145708 Low volume flowable solids distributor Nov. 14, 2000
6119965 Hollow-core nozzle Sep. 19, 2000
6105516 Burner nozzle for pulverized coal Aug. 22, 2000
6098897 Low pressure dual fluid atomizer Aug. 8, 2000
6082465 Thrust reverser sprinkler head Jul. 4, 2000
5893521 Hot water safety discharge nozzle Apr. 13, 1999
5649599 Fast attack penetrating nozzle which minimizes potential formation of backdraft conditions during fire suppression Jul. 22, 1997
5636755 Storage rack system with fire extinguishing device Jun. 10, 1997
5409672 Plug flow reaction apparatus with high shear Apr. 25, 1995
5366160 Foamer nozzle with looped rib flow disrupters Nov. 22, 1994
5350117 Discriminating humidification system Sep. 27, 1994
5314117 Fuel nozzle generating acoustic vibrations May. 24, 1994
5297737 Sprinkler frost clip Mar. 29, 1994
5183206 Spray nozzle Feb. 2, 1993
5152458 Automatically adjustable fluid distributor Oct. 6, 1992
5143657 Fluid distributor Sep. 1, 1992
5137214 Method and apparatus for creating artificial rain Aug. 11, 1992
RE33717 Liquid atomizing device and method Oct. 15, 1991
4971228 Grain stream damper device Nov. 20, 1990
4886122 Dry chemical wand Dec. 12, 1989
4884497 One piece air diffuser Dec. 5, 1989

1 2


 
 
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