Patents
Patents for B01D 46 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (42,125)
01/1982
01/19/1982US4311493 Vacuum cleaner bag assembly
01/19/1982US4311492 Vacuum tube filter cover
01/13/1982EP0043694A1 Particulate filter and material for producing the same
01/13/1982EP0043417A2 Method for the purification of filter cloths by impulses of pressurised gas in the separation of particles from gases
01/12/1982US4310336 Gas separation
01/12/1982CA1116100A1 Air purification system and process
01/05/1982US4309200 For cleaning particle-entrained gas
12/1981
12/29/1981US4308041 Air filter cartridge
12/29/1981US4308036 Filter apparatus and method for collecting fly ash and fine dust
12/23/1981EP0042342A1 Process and apparatus for separating dust from gases by filtration with cleaning of the filter by aspiration, and application to combustion gases
12/23/1981EP0042302A1 Method for producing ceramic honeycomb filters
12/23/1981EP0042301A1 Ceramic honeycomb filters and the production thereof
12/23/1981EP0042300A1 Ceramic honeycomb filters and the production thereof
12/22/1981US4306896 Filter bag anchoring arrangement
12/22/1981US4306895 Coal stacking tower dust control system
12/22/1981US4306893 Snap-in assembly for bag filter
12/22/1981US4306890 Compressed air
12/22/1981US4306888 Method for filtering dust
12/15/1981US4305740 For adding gas treatment material
12/15/1981US4305507 Disposable diaper reclaiming apparatus
12/15/1981CA1114302A1 Collapse-resistant corrugated filter element
12/10/1981WO1981003435A1 Air inducer and backwasher for an air cleaner
12/08/1981US4304580 Air cleaner with suspended cartridge
12/08/1981US4304579 Extended area bag filter
12/08/1981US4304492 Method and apparatus for detecting leaks in filter bags of a baghouse
12/08/1981US4304230 Liquid barrier filter and method of operation
12/08/1981CA1113868A1 Fluidized bed particulate collectors
12/01/1981US4303472 Filter elements for gas or liquid and methods of making such filters
12/01/1981US4303426 Automobile air filter having replaceable and readily disposable filter element
12/01/1981US4303425 Filter bag assembly
12/01/1981US4303424 Filter bag apparatus having an improved fabric filter bag tensioning apparatus
12/01/1981US4303423 Engine air cleaner
12/01/1981US4303420 Air treatment apparatus
12/01/1981US4303417 Spray booth with reconditioning filter system
11/1981
11/26/1981WO1981003287A1 Rotary drum filter stripper nozzle mounting
11/26/1981WO1981003286A1 Filter bag cleaning system
11/26/1981WO1981003266A1 Disposable surgical face mask and method of producing it
11/24/1981US4302228 Bag filter apparatus for air cleaners
11/24/1981CA1113023A1 Air filter
11/18/1981EP0039965A1 Gas flow arrangement
11/17/1981US4300928 Structure for supporting air filter
11/17/1981US4300927 Air deduster
11/17/1981US4300926 Separation apparatus
11/17/1981US4300925 Gas purifying filter
11/17/1981US4300921 Apparatus and method for removing finely divided solids from gases
11/17/1981US4300918 Method for removing moisture particles
11/11/1981EP0039380A2 Gas sampling system
11/10/1981US4299605 Collecting filter bag
11/10/1981US4299604 Air inducer and backwasher for an air cleaner
11/10/1981US4299603 On tractors
11/10/1981US4299598 Panel gas filter for limestone dust
11/10/1981US4299597 Process and filter control system for the cyclic counter-scavenging of diaphragm-activated filter hoses
11/03/1981US4298474 Multiple filter vessel
11/03/1981US4298362 Filter cleaning device
11/03/1981US4298361 Rotary drum filter stripper nozzle mounting
11/03/1981US4298360 Pulsed air filter cleaning system
10/1981
10/28/1981EP0038340A1 A housing for mounting hepa filters.
10/27/1981US4297116 Apparatus for separating foreign matter from a gas stream
10/27/1981US4297115 Bag-type filter with air diffuser tubes of helical construction
10/27/1981US4297114 Vacuum cleaner having bag cleaning apparatus
10/27/1981US4297113 Gas filtration apparatus
10/27/1981US4296767 Method and apparatus for cleaning a continuous web of material
10/27/1981CA1111403A1 Discharge valve assembly for multiple-stage dust collector
10/20/1981US4295868 Filter for cleaning hot gases
10/20/1981US4295867 Apparatus for separating carbon black from carbon-black aerosol
10/15/1981WO1981002847A1 Nesting air filters
10/14/1981EP0037498A2 Apparatus for a bag filter
10/13/1981US4294599 Air cleaner
10/13/1981US4294597 Lint collecting system and apparatus
10/13/1981US4294596 Air-filter apparatus in combination with a turbine engine
10/13/1981CA1110537A1 Gas cleaning
10/06/1981US4293438 Plastics
10/06/1981US4293357 Method for producing ceramic honeycomb filters
10/06/1981US4293321 Fastening device for filter bags in dust-laden gas filters
10/06/1981US4293320 High energy reverse air dust collector
10/06/1981US4293111 Bag filter support cage
10/01/1981WO1981002686A1 Engine exhaust particulate filter
09/1981
09/29/1981US4292061 Without separate canister or housing
09/29/1981US4292060 For exhaust gas emission cleaning system
09/29/1981US4292057 Top removal support for dust collector bags
09/29/1981US4292055 Turbine, rotary disks
09/29/1981US4292053 Declogging process for filtration installation and improved filtration installation
09/29/1981US4292052 Air pollution control device and method
09/29/1981US4291904 Filter holder
09/23/1981EP0036321A1 Ceramic filter
09/23/1981EP0036031A1 Process for the separation of oil or oily substances from gases like air
09/22/1981US4290889 Support for backflushable filter media
09/22/1981US4290790 Filter apparatus and filter support frames
09/22/1981US4290785 Dust collector and method of operation
09/22/1981US4290783 Urea entrained in air
09/16/1981EP0035973A1 Apparatus for the discontinuous cleaning of dust-charged raw gas
09/15/1981US4289511 Bag-type filter apparatus with venturi-supported air diffuser
09/15/1981US4289510 Internal loading cylindrical filter with unsupported tubular filter fabric
09/15/1981CA1109007A1 Method of fabricating air filters
09/15/1981CA1109006A1 Air filter fabrication method
09/15/1981CA1109004A1 Fin structure for air pre-cleaner
09/09/1981EP0035053A1 Catalytic filter for the purification of Diesel exhaust gas
09/08/1981US4288278 Apparatus for continuously producing pleated semipermeable membrane elements
09/08/1981CA1108379A1 Apparatus for cleaning gaseous fluids
09/02/1981EP0034732A1 Replaceable grease filter for vapour extraction and filtration hoods