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Class Information
Number: 55/424
Name: Gas separation > With concentrate backflow or re-entrainment preventing means
Description: Apparatus comprising means associated with a gas separating device for averting (1) remixing of a system fluid constituent, after substantial separation, with the clean outflow gas or (2) the flowing of a separated system fluid constituent toward the gas outflow path.










Sub-classes under this class:

Class Number Class Name Patents
55/426 Baffle intermediate concentrate collector zone and gas outlet conduit 216
55/425 Closure between separating and collecting zones 15


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8657911 Moisture separator/heater Feb. 25, 2014
8657927 Filtration device for use with a fuel vapor recovery system Feb. 25, 2014
8657904 Cyclonic separation apparatus for a vacuum cleaner Feb. 25, 2014
8591618 Air cleaner Nov. 26, 2013
8444731 Handheld cleaning appliance May. 21, 2013
8409315 Muffler Apr. 2, 2013
8409335 Separating apparatus Apr. 2, 2013
8398751 Direct stripping cyclone Mar. 19, 2013
8394161 HEPA filter cartridge for canister vacuums Mar. 12, 2013
8394164 Separator arrangement for gas/liquid separation; apparatus; and, methods Mar. 12, 2013
RE43941 Spherical sand separators Jan. 29, 2013
8313566 Systems and methods for particulate filtration Nov. 20, 2012
8298309 Liquid separator and tank system comprising a liquid separator Oct. 30, 2012
8292979 Vacuum cleaner with a removable screen Oct. 23, 2012
8287612 Filter element and filter system Oct. 16, 2012
8287613 Gas-solids separator Oct. 16, 2012
8262763 Bagless dustcup Sep. 11, 2012
8257457 Separating apparatus Sep. 4, 2012
8246704 Contained vorticies device Aug. 21, 2012
8236077 Handheld cleaning appliance Aug. 7, 2012
8206491 Apparatus for water separation in the vacuum system of a paper machine and method for utilizing the same Jun. 26, 2012
8202072 Lubricant-tight vane rotary vacuum pump Jun. 19, 2012
8182563 Separating apparatus May. 22, 2012
8182569 Separator arrangement for gas/liquid separation; apparatus; and, methods May. 22, 2012
8176596 Vacuum cleaner May. 15, 2012
8176597 Vacuum cleaner with cyclonic dirt separation May. 15, 2012
8123831 Liquid separator, particularly oil separator for compressed air systems Feb. 28, 2012
8110025 Dust collector chip separation baffle Feb. 7, 2012
8101001 Cyclone separating device of a cleaner Jan. 24, 2012
8097057 Particle separator Jan. 17, 2012
8062398 Vacuum cleaner and cyclone module therefor Nov. 22, 2011
8048183 Vacuum cleaner with a divider Nov. 1, 2011
8043396 Integrated plastic liner for propellant tanks for micro G conditions Oct. 25, 2011
8034140 Configuration of a cyclone assembly and surface cleaning apparatus having same Oct. 11, 2011
8025708 Liquid separator, particularly oil separator for compressed air systems Sep. 27, 2011
8016902 Cyclonic utility vacuum Sep. 13, 2011
8012230 Structure of an impurities collecting bucket for an air separator and purifier Sep. 6, 2011
8002865 Separator assembly Aug. 23, 2011
7998260 Cyclone silencer of cleaner and dust removing device having the same Aug. 16, 2011
7993426 Moisture separator Aug. 9, 2011
7985282 Apparatus and method for separating solids from gas streams Jul. 26, 2011
7981180 Dust filter Jul. 19, 2011
7976597 Cyclonic separation apparatus Jul. 12, 2011
7967883 Extractor for vacuum cleaning system Jun. 28, 2011
7955404 Dust collector Jun. 7, 2011
7951216 Dust separating apparatus of vacuum cleaner May. 31, 2011
7931716 Handheld cleaning appliance Apr. 26, 2011
7927395 Centrifugal separator Apr. 19, 2011
7918909 Cyclone separator with fine particle separation member Apr. 5, 2011
7896939 Debris receiver Mar. 1, 2011

1 2 3 4










 
 
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