Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
04/1978
04/04/1978US4082524 Self-cleaning filter
04/04/1978US4082523 Dust collecting by vibrating the filter bags
03/1978
03/28/1978US4081255 Air pollution control apparatus
03/21/1978US4080431 Groups 3-6 borides, carbides, or nitrides, filtration
03/21/1978US4080185 Composite filter set for gas flow ducts
03/21/1978US4080184 Engine air intake system
03/14/1978US4078965 Composite coalescing filter tube and method of manufacture thereof
03/07/1978US4078112 Coating modification process for ultrafiltration systems
03/07/1978US4077787 Air cleaner for automotive vehicle
03/07/1978US4077786 Liquid-gas separation apparatus
03/07/1978US4077781 Dust filter
02/1978
02/28/1978US4076057 Methods for filling filter cells with adsorbent material
02/28/1978US4076044 Lock chamber for discharging dust
02/21/1978US4075092 High surface area permeable material
02/21/1978US4074986 Valved water container with seal
02/21/1978US4074985 Air filter
02/14/1978US4073632 Filter bag assembly
02/14/1978US4073631 Stationary drum filtration device and method
02/07/1978US4072616 Filter cartridge
02/07/1978US4072484 Bag filter
02/07/1978US4072483 Fail-safe type for picking up asbestos fibers
02/07/1978US4071937 Filter cartridge with folded filter sheath
01/1978
01/31/1978US4071337 Filter unit having a constant rate purging cycle
01/10/1978US4067708 Bag filter for cleaning dust-laden gases
01/10/1978US4067705 Apparatus for high-volume sampling of gases at constant mass flow rate
01/10/1978US4067704 Gases, backwashing
01/03/1978US4066425 Kitchen hood
12/1977
12/27/1977US4065276 For internal combustion engines
12/27/1977US4065262 Filter and air freshener apparatus
12/27/1977US4065110 Method and apparatus for purifying blister furnace effluent
12/20/1977US4063913 Bacteria filters with transparent housings
12/13/1977US4062781 Disposable filter with interchangeable end elements
12/06/1977US4061480 Vacuum cleaner for radioactively contaminated particles
11/1977
11/15/1977US4058456 External supported filter
11/15/1977US4058379 Filtering apparatus
11/08/1977US4057406 Apparatus for removing gas filter
11/01/1977US4056376 Air filter
11/01/1977US4056375 Gas filter element
11/01/1977US4056374 Tubular gas filter
10/1977
10/25/1977US4055125 Incinerator, especially for burning waste material
10/25/1977US4055075 Method and apparatus for the leak testing of filters
10/18/1977US4054521 Indexing mechanism
10/11/1977US4053290 Fiber bed separator
10/04/1977US4052316 Composite coalescing filter tube
10/04/1977US4052179 Portable, pocket size ash tray
09/1977
09/27/1977US4051042 Fluid flow filtering arrangement
09/27/1977US4051037 Device for assembling stacked annular filtering elements, under constant pressure
09/27/1977US4050291 Filter condition responsive device compensated for changes in medium flow
09/27/1977US4050237 Demister assembly for removing liquids from gases
09/20/1977US4049555 Reusable filter apparatus
09/20/1977US4049406 Fluid filter housing and assembly
09/20/1977US4049403 Device for suspension of air filter bags
09/20/1977US4049401 Apparatus for separating suspensions of liquids in gas
09/20/1977US4048693 Apparatus for regeneration of filters for antidust respirators
09/13/1977US4048074 Apparatus for separating solids from liquids or gas
09/13/1977US4048073 Filter bed assembly
09/13/1977US4047914 Internally supported multi-stage sleeve filter
09/06/1977US4046526 Bag collector for dirt with selective half-bag cleaning
08/1977
08/30/1977US4045194 Apparatus for cleaning air
08/23/1977US4044102 Method for treating exhaust gases
08/23/1977US4043776 Smoke sorbing device
08/23/1977US4043775 Filter backwashing
08/16/1977US4042358 Air filter
08/16/1977US4042357 Air filter unit for sliding sash windows
08/16/1977US4042356 Bag house cell plate and filter bag attachment thereto
08/16/1977US4042352 Fixed packed beds
08/02/1977US4039308 Air filter
07/1977
07/26/1977US4038190 Fluid fractionation apparatus and method of manufacturing the same
07/26/1977US4038058 Internal combustion engines
07/19/1977US4036616 Bacteria filter and method of assembling same
07/19/1977US4036614 Pressure relief means for industrial vacuum
07/19/1977US4036613 Vacuums
07/12/1977US4035170 Granular filter
07/05/1977US4033733 Air filter gauge
07/05/1977US4033732 Method and apparatus for cleaning fabric filters of bag type or the like
06/1977
06/28/1977US4032454 Permselective membrane apparatus with porous support
06/28/1977US4032442 By-pass and synchronized blow system and method for rotary vacuum filters
06/28/1977US4032311 Tank filter
06/28/1977US4032308 Filtering a gas stream
06/28/1977US4032307 Dust control
06/21/1977US4030639 Charcoal adsorber filter fill system
06/14/1977US4029487 Apparatus for protecting vacuum sources including valve which alternately communicates with vacuum and atmosphere
06/07/1977US4028074 Vacuum cleaner filter bag
06/07/1977US4028073 Container for air treating material
05/1977
05/31/1977US4026799 Commercial cleaning detergents
05/31/1977US4026688 Exhaust vent filter
05/31/1977US4026687 Dust separator arrangement
05/31/1977US4026686 Vacuum filter for the purification of gaseous materials
05/31/1977US4026685 Flow reversing regenerative air dryer
05/17/1977US4023944 Filter unit
05/17/1977US4023943 Filter system
05/10/1977US4022596 Porous packing and separator medium
05/10/1977US4022595 Self-cleaning filter arrangement
05/10/1977US4022593 Mist elimination
05/03/1977US4021212 C fan and filter assemblydual flow air-flow system, air conditioners
05/03/1977US4020783 Air cleaner with restriction indicator
04/1977
04/19/1977US4018580 Separator for separating liquid droplets from a stream of gas
04/12/1977US4017281 Industrial vacuum loader with dust removal means for bag house filtration system
04/12/1977US4017278 Method and apparatus for removing finely divided solids from gas
04/12/1977US4017100 Fluid supply, filter pack used therein and method of assembly