Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
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
4313897 Gas and liquid admixing system Feb. 2, 1982
4304740 Liquid aeration apparatus Dec. 8, 1981
4304665 Process for treatment of wastewater Dec. 8, 1981
4304741 Gas injection apparatus Dec. 8, 1981
4302406 Apparatus for heating water in a reservoir Nov. 24, 1981
4301007 Two zone apparatus for biological treatment of waste water Nov. 17, 1981
4298551 Appliance for making an aerated beverage Nov. 3, 1981
4290886 Flotator Sep. 22, 1981
4287062 Apparatus for biological purification of sewage Sep. 1, 1981
4276243 Vapor delivery control system and method Jun. 30, 1981
4271097 Gas and liquid ad-mixing system Jun. 2, 1981
4268398 Sludge agitating method May. 19, 1981
4266950 Bubbling type dissolved gas separator May. 12, 1981
4251485 Apparatus for cleansing noxious constituents from gas streams Feb. 17, 1981
4251486 Method and apparatus for decomposing injurious substances Feb. 17, 1981
4251365 Low energy gas transfer system Feb. 17, 1981
4251473 Aerating apparatus Feb. 17, 1981
4250126 Chlorine generator and method Feb. 10, 1981
4246890 Passive solar heater fluid pump system Jan. 27, 1981
4235829 Vapor delivery system and method of maintaining a constant level of liquid therein Nov. 25, 1980
4230569 Method and apparatus for supplying dissolved chemicals into water Oct. 28, 1980
4222972 Method and means for carbonating liquids in situ Sep. 16, 1980
4220460 Vapor delivery system and method Sep. 2, 1980
4218407 Valved or progressively opening sparger with rigid upper seat Aug. 19, 1980
4197265 Water vapor supply unit for fossil fuel burner Apr. 8, 1980
4191479 Sludge agitating apparatus Mar. 4, 1980
4179375 Aeration of waste in septic tank Dec. 18, 1979
4169873 Fluid circulating device Oct. 2, 1979
4156712 Gas-liquid contacting method May. 29, 1979
4152378 Container closure having automatic opening means May. 1, 1979
4149556 Tubular connector having audible relief valve Apr. 17, 1979
4147808 Beverage carbonation device and process Apr. 3, 1979
4139413 Blow-off device for limiting excess pressure in nuclear power plants, especially in boiling water nuclear power plants Feb. 13, 1979
4131435 Automatic control apparatus for oil gas machine operation Dec. 26, 1978
4117044 Aerator Sep. 26, 1978
4110255 Beverage carbonation device Aug. 29, 1978
4099939 Spill-proof gas sampler Jul. 11, 1978
4099925 Apparatus for desulfurization of flue gas Jul. 11, 1978
4096714 Self-contained garment treating apparatus Jun. 27, 1978
4096215 Device for applying gas to a liquid Jun. 20, 1978
4094643 Ammonium nitrate neutralizer Jun. 13, 1978
4072613 Ozone reactor for liquids Feb. 7, 1978
4069701 Portable agent generator Jan. 24, 1978
4062654 Apparatus for continuous liquid-phase oxidation reaction Dec. 13, 1977
4040975 Foam generator for foaming liquids Aug. 9, 1977
4039439 Method for destratifying bodies of water Aug. 2, 1977
4039639 Liquid entraining system of the humidifier and nebulizer type Aug. 2, 1977
4022655 Device for limiting accidental pressure overloads in a nuclear reactor confinement structure May. 10, 1977
4021348 Aerated sewerwage effluent disposal system May. 3, 1977
4014637 Catalyst generator Mar. 29, 1977

1 2 3 4 5 6 7










 
 
  Recently Added Patents
Medicament container
Systems and methods for advertising on content-screened web pages
Method and device for peer arrangement in single substream upload P2P overlay networks
Method, system and computer program product for verifying floating point divide operation results
Antenna for an automobile
3,7-diamino-10H-phenothiazine salts and their use
Display apparatus
  Randomly Featured Patents
Synchronous motor starting means
Reduction inhibitory agent for active-oxygen eliminating activity
Video camera
Watch
Locking handle apparatus
Electrostatic discharge protection clamp for nominal-voltage power supply or I/O with high-voltage reference
Window fan
Mowing device
Methods and compositions for use in treating cancer
Filter coalescer cartridge