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Class Information
Number: 55/467
Name: Gas separation > With gas flow effecting means
Description: Apparatus having means to positively force system fluid gas through, or to pass relative to, a separating media.










Sub-classes under this class:

Class Number Class Name Patents
55/473 Impeller upstream of separating media 364
55/471 Impeller within or proximate to space encompassed by separating media 357
55/468 Injector or jet pump type 55
55/469 Manual, weight, or traction operated gas pump 9
55/470 Plurality of impellers arranged in parallel or performing diverse functions 53
55/472 Upright or multichambered casing 344
55/467.1 With heating or cooling means 67


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

Patent Number Title Of Patent Date Issued
8690979 Dust collection device for concrete cutter Apr. 8, 2014
8657913 Gas cleaning separator Feb. 25, 2014
8657919 System and method for separating high molecular weight gases from a combustion source Feb. 25, 2014
8657928 Versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner Feb. 25, 2014
8657935 Combination of expansion and cooling to enhance separation Feb. 25, 2014
8652234 Method for separating high molecular weight gases from a combustion source Feb. 18, 2014
8652242 Dust collection device Feb. 18, 2014
8641792 Air intake system Feb. 4, 2014
8636832 Method of reducing silicosis caused by inhalation of silica-containing proppant, such as silica sand and resin-coated silica sand, and apparatus therefor Jan. 28, 2014
8603217 Recirculating filtration systems for material processing systems and associated methods of use and manufacture Dec. 10, 2013
8596396 Air intake configuration for an agricultural harvesting machine Dec. 3, 2013
8597389 Filtration lighting system Dec. 3, 2013
8591617 Powder coating apparatus and method Nov. 26, 2013
8562720 Method of reducing silicosis caused by inhalation of silica-containing proppant, such as silica sand and resin-coated sand, and apparatus therefor Oct. 22, 2013
8562704 Integral vacuum fan housing Oct. 22, 2013
8528160 Suction motor and fan assembly housing construction for a surface cleaning apparatus Sep. 10, 2013
8529655 Dust collector structure Sep. 10, 2013
8523970 Portable air filter Sep. 3, 2013
8518138 Image forming apparatus Aug. 27, 2013
8496719 Cyclonic dust collector with flame arrester feature Jul. 30, 2013
8491685 Cyclonic dust collector with variable speed drive and constant load current Jul. 23, 2013
8491686 Cyclonic dust collector with clamp-raised dust barrel Jul. 23, 2013
8480775 Self cleaning fan assembly Jul. 9, 2013
8470063 Chimney filter system Jun. 25, 2013
8470064 Device, method, and system to separate liquid and particulate matter from the air stream of a centrifugal fan Jun. 25, 2013
8470083 Portable canister vacuum Jun. 25, 2013
8465576 Mobile laminar flow hood for use in podiatry Jun. 18, 2013
8460441 Method and apparatus for operating ducted fumehoods with increased energy efficiency Jun. 11, 2013
8454716 Variable flow particle separating structure Jun. 4, 2013
8435337 Variable intake-type air cleaner May. 7, 2013
8430941 Filter element arrangement and portable air cleaner incorporating same Apr. 30, 2013
8425670 Plant for separating oil from a gas mixture, and a method for separating oil from a gas mixture Apr. 23, 2013
8419845 Air filter Apr. 16, 2013
8419837 Air filtration system with quick connect Apr. 16, 2013
8414670 Dust-sucking and air-cleaning composite structure Apr. 9, 2013
8414671 Personal air filtration device for use with bedding structure Apr. 9, 2013
8394270 Fluid treatment and method and use of same Mar. 12, 2013
8388715 Modular apparatus for processing air, particularly for classified environments and food article making processes in general Mar. 5, 2013
8388746 Filtration system for a compressor station Mar. 5, 2013
8382887 System for decontaminating industrial output gases Feb. 26, 2013
8377160 Cyclonic dust collector with vee-shaped cyclone Feb. 19, 2013
8372182 Multi-layered support system Feb. 12, 2013
8366810 Pneumatic particulates and/or rock processing Feb. 5, 2013
8357232 System and method for gas separation Jan. 22, 2013
8337580 Debris separator Dec. 25, 2012
8337602 Deodorizing device and kit, and methods for odor removal Dec. 25, 2012
8333816 Multi-use personal ventilation/filtration system Dec. 18, 2012
8328894 Dust prevention and removal device Dec. 11, 2012
8317889 Installation structure for dustproof net Nov. 27, 2012
8292979 Vacuum cleaner with a removable screen Oct. 23, 2012

1 2 3 4 5 6 7 8 9 10 11










 
 
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