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Class Information
Number: 261/121.1
Name: Gas and liquid contact apparatus > Contact devices > Liquid tank > Submerged blast
Description: Apparatus having means to discharge gas beneath the surface of the liquid.










Sub-classes under this class:

Class Number Class Name Patents
261/121.3 Carburetor vented nozzle 58
261/121.2 Minnow bucket 49
261/124 Multiple jet 392
261/123 Submerged baffle 308
261/122.1 Submerged screen 446


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8702070 Mixing systems and methods of mixing Apr. 22, 2014
8690129 Disposable mixing vessel Apr. 8, 2014
8668187 Integrated aeration system Mar. 11, 2014
8662481 System and method for preventing scaling in a flue gas desulphurization system Mar. 4, 2014
8657925 Method for flue gas scrubbing Feb. 25, 2014
8646759 Microbubble therapy method and generating apparatus Feb. 11, 2014
8646757 Submersible aeration pump Feb. 11, 2014
8623174 Liquid evaporation system with heated liquid Jan. 7, 2014
8622371 Anchored aerator Jan. 7, 2014
8596620 Device for dispensing a gas into a liquid Dec. 3, 2013
8585869 Multi-stage wastewater treatment system Nov. 19, 2013
8579266 Microbubble therapy method and generating apparatus Nov. 12, 2013
8557112 Fine bubble diffusing pipe, fine bubble diffusing apparatus, and submerged membrane separation apparatus Oct. 15, 2013
8550439 Mixing bag with integral sparger and sensor receiver Oct. 8, 2013
8540219 System and method for preventing scaling in a flue gas desulphurization system Sep. 24, 2013
8523984 Water circulation systems with air stripping arrangements for municipal water tanks, ponds, and other potable bodies of water Sep. 3, 2013
8511651 Heater unit humidification chamber monitor Aug. 20, 2013
8505881 Mixing systems and methods of mixing Aug. 13, 2013
8500104 Pressurized liquid stream with dissolved gas Aug. 6, 2013
8440006 System and method for flue gas scrubbing May. 14, 2013
8413966 Water aeration system using renewable energy source Apr. 9, 2013
8413968 Water aeration capsules Apr. 9, 2013
8382071 Raw material supply device Feb. 26, 2013
8377225 Submerged membrane separation apparatus, cleaning method for diffusing apparatus, and method for membrane separation Feb. 19, 2013
8328168 Submerged aerator Dec. 11, 2012
8317165 Nanobubble-containing liquid producing apparatus and nanobubble-containing liquid producing method Nov. 27, 2012
8235034 Systems moving air through a conduit within a solar heat collector having overtemperature protection Aug. 7, 2012
8235364 Reagent dispensing apparatuses and delivery methods Aug. 7, 2012
8201811 Microbubble therapy method and generating apparatus Jun. 19, 2012
8182237 Rotary system for submerged pumps May. 22, 2012
8167282 Aerosol generator May. 1, 2012
8162296 Splashguard for high flow vacuum bubbler vessel Apr. 24, 2012
8146896 Chemical precursor ampoule for vapor deposition processes Apr. 3, 2012
8079572 Device for gassing a liquid Dec. 20, 2011
8047510 Evaporation supply apparatus for raw material and automatic pressure regulating device used therewith Nov. 1, 2011
8002247 Cross purge valve and container assembly Aug. 23, 2011
7874548 Floatatable aerator system Jan. 25, 2011
7850152 Methods and devices for moisturizing hyperpolarized noble gases and associated moisturized pharmaceutical grade inhalable hyperpolarized gas products Dec. 14, 2010
7802775 Method and apparatus for mixing of two fluids Sep. 28, 2010
7789553 Water circulation systems for ponds, lakes, and other bodies of water Sep. 7, 2010
7699295 Ampoule splash guard apparatus Apr. 20, 2010
7654507 Water spike system Feb. 2, 2010
7513994 Aeration vessel and aerator assembly for use in a wastewater treatment system Apr. 7, 2009
7510130 Fluid device having an orifice aperture and method of changing the aperture size of such an orifice aperture Mar. 31, 2009
7464917 Ampoule splash guard apparatus Dec. 16, 2008
7461834 Waste liquid treatment system Dec. 9, 2008
7448601 Gas distributor for a reactor Nov. 11, 2008
7448603 Feedstream inlet sparger for reaction vessel used in hydroconversion of fossil fuels Nov. 11, 2008
7427351 Water preconditioning system Sep. 23, 2008
7377493 Fragrancing system and method May. 27, 2008

1 2 3 4 5 6 7










 
 
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