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Class Information
Number: 239/101
Name: Fluid sprinkling, spraying, and diffusing > With means for fluctuating flow or pressure of fluid supplied to distributor means
Description: Apparatus having in addition to the necessary fluid supply and/or handling elements for spraying and the like, means to vary continuously and cyclically the total rate of flow of fluid to the entire terminal outlet means and/or to change cyclically the pressure of the fluid supplied to said entire terminal outlet means.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8678645 Device for monitoring the flow of water vapor Mar. 25, 2014
8678299 Hollow actuator-driven droplet dispensing apparatus Mar. 25, 2014
8615329 Control system for regulating liquid flow Dec. 24, 2013
8550873 Method and apparatus for prepping surfaces with a high-frequency forced pulsed waterjet Oct. 8, 2013
8434473 Method or transporting a liquid for atomization and a method and devices for atomizing the same May. 7, 2013
8387894 Ultrasonic waterjet apparatus Mar. 5, 2013
8360337 Ultrasonic waterjet apparatus Jan. 29, 2013
8286895 High bandwidth micro-actuators for active flow control Oct. 16, 2012
8241562 Enhanced toxic cloud knockdown spray system for decontamination applications Aug. 14, 2012
8186607 Hybrid irrigation system May. 29, 2012
8006915 Ultrasonic waterjet apparatus Aug. 30, 2011
7938713 Device for water-jet cutting or abrasive water-jet cutting units May. 10, 2011
7905432 Casting nozzle Mar. 15, 2011
7886989 Liquid material dispensing apparatus and method utilizing pulsed pressurized air Feb. 15, 2011
7775459 Liquid atomizing device with reduced settling of atomized liquid droplets Aug. 17, 2010
7621463 Fluid nozzle system using self-propelling toroidal vortices for long-range jet impact Nov. 24, 2009
7594614 Ultrasonic waterjet apparatus Sep. 29, 2009
7595487 Confining/focusing vortex flow transmission structure, mass spectrometry systems, and methods of transmitting particles, droplets, and ions Sep. 29, 2009
7559489 High-pressure pulse nozzle assembly Jul. 14, 2009
7514048 Controlled odor generator Apr. 7, 2009
7494070 Accurate horticultural sprinkler system and sprinkler head Feb. 24, 2009
7481379 Fuel combustion catalyst delivery apparatus Jan. 27, 2009
7472848 Cold-performance fluidic oscillator Jan. 6, 2009
7384006 Power sprayer Jun. 10, 2008
7350721 Aromatic fragrance dispenser Apr. 1, 2008
7326302 Apparatus and method for processing a substrate Feb. 5, 2008
7267290 Cold-performance fluidic oscillator Sep. 11, 2007
7244471 Method for surface treatment of metal pipes Jul. 17, 2007
7129619 Ultrasonic nebulizer for producing high-volume sub-micron droplets Oct. 31, 2006
7104465 Water spray retort system suitable for paperboard packages Sep. 12, 2006
7093774 Device for injecting a pulsed supersonic gas stream Aug. 22, 2006
7021555 Spraying/misting for plants and animals Apr. 4, 2006
7017830 Method and apparatus for separating sample Mar. 28, 2006
7014131 Multiple spray devices for automotive and other applications Mar. 21, 2006
7007866 Metering device for the conveyance of small substance quantities Mar. 7, 2006
6837445 Integral pump for high frequency atomizer Jan. 4, 2005
6796273 Switching current water director (SCWD) for aquariums Sep. 28, 2004
6764023 Bi-direction pumping droplet mist ejection apparatus Jul. 20, 2004
6712288 Method and apparatus for separating sample Mar. 30, 2004
6679436 Sprayer Jan. 20, 2004
6669103 Multiple horn atomizer with high frequency capability Dec. 30, 2003
6660092 Device for applying a coating agent Dec. 9, 2003
6641056 Miniature fountain Nov. 4, 2003
6584774 High frequency pulsed fuel injector Jul. 1, 2003
6571805 Multi-container pressure washer and related product selecting valve Jun. 3, 2003
6550691 Reagent dispenser head Apr. 22, 2003
6497375 Fluidic nozzle with multiple operating modes Dec. 24, 2002
6478199 Automatic valve Nov. 12, 2002
6471143 Injector Oct. 29, 2002
6457658 Two-level nozzles with integrated or built-in filters and method Oct. 1, 2002

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