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Class Information
Number: 210/188
Name: Liquid purification or separation > With gas separator
Description: Apparatus combined with a gas or vapor separator, which is more than a mere vent and must (1) remove gases evolved during a treating operation or (2) treat gas removed from a Class 210 separator.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
4350502 Method and apparatus for decontaminating gas vented from land fill and fugitive sources Sep. 21, 1982
4348280 Proportioning dialysis machine Sep. 7, 1982
4347143 Apparatus and process for purifying polluted water contained in natural or artificial pools by direct injection of oxygen Aug. 31, 1982
4345999 Apparatus for preventing the entry of air into an artificial organ Aug. 24, 1982
4336037 Continuous deaeration system for a fluid pump system Jun. 22, 1982
4330306 Gas-liquid separator May. 18, 1982
4323452 Pumpless flow system for a corrosive liquid Apr. 6, 1982
4319996 Filter with initially flat membrane and curved membrane support Mar. 16, 1982
4317731 Gas absorber Mar. 2, 1982
4298357 Degassing system Nov. 3, 1981
4293409 Artificial kidney dialysate preparation system Oct. 6, 1981
4293413 Dialyzer blood circuit and bubble traps Oct. 6, 1981
4287059 Dialyzer apparatus in an artificial kidney system Sep. 1, 1981
4267040 Hemodialysis apparatus May. 12, 1981
4256582 Continuous separation system Mar. 17, 1981
4256837 Gas collection apparatus Mar. 17, 1981
4255170 Venting device for the housing of a rotary machine Mar. 10, 1981
4253956 Apparatus for the anaerobic purification of waste water Mar. 3, 1981
4251365 Low energy gas transfer system Feb. 17, 1981
4243531 Cardiotomy reservoir Jan. 6, 1981
4238337 Methane gas producer using biological decomposition of waste matter Dec. 9, 1980
4229299 Peristaltic dialysate solution pump Oct. 21, 1980
4217222 Apparatus for processing municipal solid waste and sewage sludge Aug. 12, 1980
4209391 Apparatus and method for automatically controlling hemodialysis at a pre-selected ultrafiltration rate Jun. 24, 1980
4176057 Method and apparatus for recovering liquid and solid constituents of water solutions containing sparingly soluble solids Nov. 27, 1979
4175041 Apparatus for degassing floating sludge Nov. 20, 1979
4172791 Multiple cell filter having a gas discharge Oct. 30, 1979
4169048 Anaerobic fermentation of excreta in a collapsible bag Sep. 25, 1979
4166791 Sewage gas collection reservoir Sep. 4, 1979
4162147 Apparatus for treating effluents Jul. 24, 1979
4157958 Inverted vessel processing method for the production of methane gas Jun. 12, 1979
4154644 Pulp washer May. 15, 1979
4151088 Membrane diffusion device with integral heat exchanger and reservoir Apr. 24, 1979
4140635 Purification device Feb. 20, 1979
4137160 Device for separating low density material such as gas bubbles from a liquid, and the use thereof in a dialysis delivery system Jan. 30, 1979
4102655 Bubble trap Jul. 25, 1978
4096065 Apparatus for aerobic treatment of activated sludge Jun. 20, 1978
4094789 Sulfur gas removing and solid particle filter for well water Jun. 13, 1978
4085047 Blood leak detector Apr. 18, 1978
4061031 Combination of flow meter and bubble trap Dec. 6, 1977
4059517 Liquid separation apparatus and method Nov. 22, 1977
4054522 Apparatus for exposing a fluid to a negative pressure Oct. 18, 1977
4054523 Cardiotomy reservoir with integral filter Oct. 18, 1977
4014790 Apparatus for recycling filtration media Mar. 29, 1977
3992297 Oil separator device Nov. 16, 1976
3976574 Negative pressure control system Aug. 24, 1976
3966537 Device for waste heat recovery and sand removal in the Bayer process Jun. 29, 1976
3958963 Filter for liquids capable of containing a gas May. 25, 1976

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