SE424266B - Luftrenare med utbytbart filterelement - Google Patents
Luftrenare med utbytbart filterelementInfo
- Publication number
- SE424266B SE424266B SE7910555A SE7910555A SE424266B SE 424266 B SE424266 B SE 424266B SE 7910555 A SE7910555 A SE 7910555A SE 7910555 A SE7910555 A SE 7910555A SE 424266 B SE424266 B SE 424266B
- Authority
- SE
- Sweden
- Prior art keywords
- filter
- filter element
- unit
- insert
- filter medium
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 8
- 239000013618 particulate matter Substances 0.000 claims description 7
- 238000004887 air purification Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 48
- 238000000034 method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
- B01D46/2414—End caps including additional functions or special forms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0004—Details of removable closures, lids, caps or filter heads
-
- B01D46/008—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
- B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02475—Air cleaners using filters, e.g. moistened characterised by the shape of the filter element
- F02M35/02483—Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/06—Details of supporting structures for filtering material, e.g. cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2271/02—Gaskets, sealings
- B01D2271/022—Axial sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/20—Shape of filtering material
- B01D2275/201—Conical shape
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/898,906 US4211543A (en) | 1978-04-24 | 1978-04-24 | Air cleaner with replaceable filter element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7910555L SE7910555L (hu) | 1979-12-20 |
| SE424266B true SE424266B (sv) | 1982-07-12 |
Family
ID=25410195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7910555A SE424266B (sv) | 1978-04-24 | 1979-12-20 | Luftrenare med utbytbart filterelement |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4211543A (hu) |
| JP (1) | JPS55500278A (hu) |
| BE (1) | BE875825A (hu) |
| CA (1) | CA1122544A (hu) |
| CH (1) | CH646344A5 (hu) |
| DE (1) | DE2948781T5 (hu) |
| FR (1) | FR2432331B1 (hu) |
| GB (1) | GB2036593B (hu) |
| IT (1) | IT1192646B (hu) |
| NL (1) | NL7903225A (hu) |
| PL (1) | PL128956B1 (hu) |
| SE (1) | SE424266B (hu) |
| SU (1) | SU1074389A3 (hu) |
| WO (1) | WO1979000978A1 (hu) |
| ZA (1) | ZA791940B (hu) |
Families Citing this family (94)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304580A (en) * | 1980-08-04 | 1981-12-08 | Donaldson Company, Inc. | Air cleaner with suspended cartridge |
| US4464263A (en) * | 1980-09-02 | 1984-08-07 | Fram Corporation | Pleated filter element and integral shield and method for making same |
| US4704144A (en) * | 1986-02-24 | 1987-11-03 | Donaldson Company, Inc. | Air filtering apparatus |
| US4720292B1 (en) * | 1986-07-14 | 1991-09-10 | Cylindrical air filter with lightweight housing and radially directed seal | |
| US4950317A (en) * | 1989-01-09 | 1990-08-21 | Donaldson Company, Inc. | Air filter assembly and method of putting filter element in same |
| SE8902441L (sv) * | 1989-07-05 | 1991-01-06 | Volvo Ab | Filteranordning, i synnerhet insugningsfilter foer foerbraenningsmotorer |
| US5152890A (en) * | 1989-10-27 | 1992-10-06 | Pall Corporation | Filter device |
| US5238474A (en) * | 1990-10-19 | 1993-08-24 | Donaldson Company, Inc. | Filtration arrangement |
| US5198113A (en) * | 1990-10-23 | 1993-03-30 | Daniels Byron C | Septic system filtering arrangement, filter material and method of using |
| US5427679A (en) * | 1990-10-23 | 1995-06-27 | Daniels; Byron C. | Septic system filter assembly, filter arrangement |
| FR2671492B1 (fr) * | 1991-01-11 | 1994-07-22 | Benzaria Jacques | Conteneur pour materiaux solides granulaires, sa fabrication et ses applications notamment en catalyse et en adsorption. |
| US6251227B1 (en) | 1991-11-13 | 2001-06-26 | Jacques Raphael Benzaria | Catalytic and adsorptive-processes using containers for solid granular materials |
| US5328612A (en) * | 1992-11-16 | 1994-07-12 | Allied-Signal Inc. | Thimble-shaped liquid filter |
| US5476585A (en) * | 1993-02-24 | 1995-12-19 | Pall Corporation | Removably mounted hollow filter element and core |
| US5415676A (en) * | 1993-08-16 | 1995-05-16 | Donaldson Company, Inc. | Mist collector cartridge |
| US5368621A (en) * | 1993-08-31 | 1994-11-29 | Pool; Stephen R. | Filtering air cleaner cover for internal combustion engine |
| BR9407599A (pt) * | 1993-09-24 | 1997-01-07 | Donaldson Co Inc | Conjunto para proporcionar uma cedação radial entre dois elementos de conduto de ar |
| DE4403634A1 (de) * | 1994-02-05 | 1995-08-10 | Heinen Maschf Gmbh | Filter zum Zurückhalten von Partikeln |
| US5556440A (en) * | 1994-10-20 | 1996-09-17 | Fleetguard, Inc. | Pressure-actuated radial air filter seal |
| US6004366A (en) * | 1994-11-23 | 1999-12-21 | Donaldson Company, Inc. | Reverse flow air filter arrangement and method |
| CA2209489C (en) * | 1995-01-12 | 2006-05-30 | Donaldson Company, Inc. | Filter element |
| GB9500743D0 (en) * | 1995-01-14 | 1995-03-08 | Foseco Int | Filtration |
| US5669949A (en) * | 1995-04-21 | 1997-09-23 | Donaldson Company, Inc. | Air filtration arrangement |
| CN1068795C (zh) * | 1995-04-21 | 2001-07-25 | 唐纳森公司 | 褶皱式过滤器制造方法 |
| EP0779832A1 (en) * | 1995-07-05 | 1997-06-25 | Air-Maze Corporation | Air cleaner having removable end cap |
| US5984109A (en) * | 1995-07-10 | 1999-11-16 | Western Filter Corporation | Filter assembly including a disposable coreless filter element |
| DE19527843B4 (de) * | 1995-07-29 | 2008-05-08 | Mahle Filtersysteme Gmbh | Öl- oder Kraftstofffiltereinrichtung eines Verbrennungsmotors |
| US5632792A (en) * | 1995-08-16 | 1997-05-27 | Purolator Products Company | Air induction filter hose assembly |
| DE19547575A1 (de) * | 1995-12-20 | 1997-06-26 | Mann & Hummel Filter | Luftfilterelement |
| US6099729A (en) * | 1996-03-01 | 2000-08-08 | Parker-Hannifin Corporation | Coreless non-metallic filter element |
| US5830250A (en) * | 1996-03-06 | 1998-11-03 | Minnesota Mining And Manufacturing Company | Stepped hot gas filter cartridge |
| USD404807S (en) * | 1996-07-11 | 1999-01-26 | Donaldson Company, Inc. | Filter sleeve |
| US5858044A (en) * | 1996-07-11 | 1999-01-12 | Donaldson Company, Inc. | Filter arrangement including removable filter with first and second media secured together |
| US6066254A (en) * | 1996-10-10 | 2000-05-23 | The Dow Chemical Company | Fluid filter assemblies with integral fluid seals |
| US6299772B1 (en) | 1996-10-10 | 2001-10-09 | The Dow Chemical Company | Fluid filter assemblies with integral fluid seals |
| ATE202004T1 (de) * | 1997-08-25 | 2001-06-15 | Hydac Filtertechnik Gmbh | Filterelement mit kunststoff-filtermantel |
| US6051042A (en) * | 1997-09-12 | 2000-04-18 | Donaldson Company, Inc. | Air cleaner assembly |
| AU9312298A (en) * | 1997-09-12 | 1999-04-05 | Donaldson Company Inc. | Air cleaner assembly and method |
| DE19756247A1 (de) * | 1997-12-17 | 1999-06-24 | Bosch Gmbh Robert | Luftfilter |
| US6007608A (en) * | 1998-07-10 | 1999-12-28 | Donaldson Company, Inc. | Mist collector and method |
| US6059851A (en) | 1998-09-03 | 2000-05-09 | Donaldson Company, Inc. | Air cleaner; method and use |
| US5958096A (en) * | 1998-10-30 | 1999-09-28 | Yee; Clinton C. | Air filter for vehicle |
| US6383244B1 (en) * | 2000-10-20 | 2002-05-07 | Nelson Industries, Inc. | Filter with retained safety element |
| US6991112B2 (en) | 2002-03-05 | 2006-01-31 | Romanow Enterprises, Inc. | Disposable filter cartridge |
| US7473360B2 (en) * | 2002-03-26 | 2009-01-06 | Pall Corporation | Length-adjustable filter cartridge end caps, filter cartridges employing, and methods of making, the same |
| US6986799B2 (en) * | 2002-08-21 | 2006-01-17 | Romanow Enterprises, Inc. | Recyclable air filter |
| US7070642B2 (en) | 2002-10-28 | 2006-07-04 | Donaldson Company, Inc. | Air cleaner; replaceable filter cartridges; and, methods |
| US7537631B2 (en) * | 2002-10-28 | 2009-05-26 | Donaldson Company, Inc. | Filter cartridges; air cleaners; and methods |
| US6875346B2 (en) * | 2002-12-26 | 2005-04-05 | Diane N. Fox | Filter |
| US7217361B2 (en) * | 2003-07-29 | 2007-05-15 | Fleetguard, Inc. | Filter with support columns |
| US6991665B1 (en) | 2004-02-06 | 2006-01-31 | Graver Technologies, Inc. | Evertible filter wrap with straps |
| US7311748B2 (en) * | 2004-03-02 | 2007-12-25 | Parker-Hannifin Corporation | Air filter assembly system and method |
| US20050210846A1 (en) * | 2004-03-24 | 2005-09-29 | Advanced Flow Engineering, Inc. | High flow air filtration system |
| EP1789159B1 (en) | 2004-08-25 | 2010-12-22 | Donaldson Company, Inc. | Air cleaner and replaceable filter cartridges |
| US7828870B1 (en) | 2004-11-24 | 2010-11-09 | Cummins Filtration Ip, Inc. | Filter assembly with cost effective seal |
| US7413588B2 (en) * | 2004-11-24 | 2008-08-19 | Fleetguard, Inc. | High efficiency, low restriction, cost effective filter |
| BRPI0611297B1 (pt) | 2005-05-03 | 2017-06-27 | Donaldson Company, Inc | Air filter cartridge and air purifier using the same |
| US7524349B2 (en) | 2005-05-03 | 2009-04-28 | Donaldson Company, Inc. | Air cleaner; air filter cartridge and method of manufacturing |
| EP2086663B2 (en) † | 2006-10-06 | 2018-04-11 | Donaldson Company, Inc. | Air cleaner |
| WO2008124437A2 (en) * | 2007-04-03 | 2008-10-16 | Donaldson Company, Inc. | Air cleaner; air filter cartridge and method of manufacturing |
| US7615148B1 (en) * | 2007-04-18 | 2009-11-10 | Gentry David W | Seawall filter |
| US8066791B2 (en) | 2007-07-20 | 2011-11-29 | Donaldson Company, Inc. | Air cleaner arrangements with internal and external support for cartridge; components; and, methods |
| US8292984B2 (en) * | 2007-07-20 | 2012-10-23 | Donaldson Company, Inc. | Air cleaner arrangments with end support for cartridge; components; and, methods |
| DE202007011097U1 (de) * | 2007-08-08 | 2008-12-18 | Mann+Hummel Gmbh | Filterelement |
| EP2219757A4 (en) * | 2007-11-09 | 2011-04-06 | United Air Specialists | FILTER ELEMENT ASSEMBLY AND PORTABLE AIR CLEANER THEREFOR |
| USD646368S1 (en) | 2008-06-06 | 2011-10-04 | Donaldson Company, Inc. | Filter cartridge |
| US8361181B2 (en) * | 2008-06-06 | 2013-01-29 | Donaldson Company, Inc. | Air cleaner assemblies; filter cartridges therefor; features; and, methods |
| US8281575B2 (en) * | 2008-07-31 | 2012-10-09 | Caterpillar Inc. | Emissions control filter assembly and system |
| CA2743928C (en) | 2008-11-24 | 2017-12-05 | Camfil Ab | Truncated cone-shaped pleated filter medium having distance elements |
| US8061530B2 (en) | 2009-04-09 | 2011-11-22 | Cummins Filtration Ip, Inc. | Filtration sealing system |
| US8864913B2 (en) | 2009-08-03 | 2014-10-21 | United Air Specialists, Inc. | Filter cleaning system and method |
| DE202009016500U1 (de) * | 2009-12-07 | 2010-02-25 | Mahle International Gmbh | Filterelement und Luftfilter |
| US20110265438A1 (en) * | 2010-04-29 | 2011-11-03 | Ryan William R | Turbine engine with enhanced fluid flow strainer system |
| EP2678091A1 (en) | 2011-02-25 | 2014-01-01 | Donaldson Company, Inc. | Air filter cartridges; components thereof; and, air cleaner assemblies |
| US20130315713A1 (en) * | 2012-05-22 | 2013-11-28 | General Electric Company | Device for filtering fluid in a power generating system |
| GB2507728A (en) * | 2012-11-02 | 2014-05-14 | Rigdeluge Global Ltd | A trap for collecting debris |
| DE102013002057B4 (de) * | 2013-02-07 | 2014-07-03 | Mann + Hummel Gmbh | Filtereinrichtung, insbesondere Luftfilter |
| US20150267657A1 (en) * | 2014-03-24 | 2015-09-24 | Caterpillar Inc. | Quick Twist Disconnect Device and System |
| DE102015004965A1 (de) * | 2015-04-20 | 2016-10-20 | Mann + Hummel Gmbh | Sekundärelement für ein Filtersystem sowie Filtersystem mit einem Sekundärelement |
| BR112017026485B1 (pt) * | 2015-06-08 | 2022-04-05 | Saint-Gobain Performance Plastics Corporation | Filtro resistente à alta pressão |
| CN108367214B (zh) | 2015-12-11 | 2021-04-16 | 康明斯过滤Ip公司 | 具有可变横截面轴向密封的过滤器 |
| CN108778447B (zh) | 2016-03-18 | 2022-02-11 | 康明斯过滤Ip公司 | 互锁稳定的过滤器组件 |
| DE112017001554T5 (de) | 2016-05-02 | 2018-12-13 | Cummins Filtration Ip, Inc. | Filter mit verriegelbarer gehäuseschnittstelle |
| DE102016005354A1 (de) * | 2016-05-03 | 2017-11-09 | Mann+Hummel Gmbh | Filtereinrichtung, insbesondere Gasfilter |
| DE102016005353A1 (de) * | 2016-05-03 | 2017-11-09 | Mann+Hummel Gmbh | Hohlfilterelement, insbesondere zur Gasfiltration |
| US10744440B2 (en) | 2016-09-26 | 2020-08-18 | K&N Engineering, Inc. | Flangeless air filter |
| EP3311902B1 (en) * | 2016-10-24 | 2020-06-24 | Donaldson Company, Inc. | Air filter element and method for producing same |
| DE112018000527T5 (de) | 2017-01-25 | 2019-10-10 | Cummins Filtration Ip, Inc. | Erweiterbarer gewindeadapter für gewindelosen mantel |
| CN110382075A (zh) | 2017-02-21 | 2019-10-25 | 康明斯滤清系统知识产权公司 | 波状互锁壳体-端板界面几何结构 |
| CN115155166B (zh) | 2017-03-16 | 2024-01-26 | 康明斯滤清系统知识产权公司 | 过滤密封系统 |
| EP3401000A1 (en) | 2017-05-09 | 2018-11-14 | Donaldson Company, Inc. | Adapter and air filter cartridge being adapted for use with such an adapter |
| CN111530179A (zh) * | 2020-05-08 | 2020-08-14 | 雷锋 | 一种工业粉尘的空气过滤装置 |
| US11980835B2 (en) * | 2020-07-27 | 2024-05-14 | Foley Products Company, Llc | Double-filter basket for stormwater retention system drain |
| DE102022119709A1 (de) | 2022-08-05 | 2024-02-08 | Mann+Hummel Gmbh | Sekundärelement und filtersystem |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US299706A (en) * | 1884-06-03 | Coffee-pot | ||
| US956450A (en) * | 1909-03-03 | 1910-04-26 | John S Thurman | Dust-receptacle. |
| US948082A (en) * | 1909-06-28 | 1910-02-01 | Charles C Wickwire | Dust-separator. |
| US2537992A (en) * | 1939-03-18 | 1951-01-16 | William E Gross | Gas mask canister |
| US2296359A (en) * | 1939-05-15 | 1942-09-22 | P A Geier Co | Suction cleaner motor mounting and filter construction |
| US2413991A (en) * | 1943-10-13 | 1947-01-07 | Marvel Eng Co | Filter |
| US2550070A (en) * | 1945-06-29 | 1951-04-24 | Hilliard Corp | Method of making filter units |
| US2586078A (en) * | 1946-06-19 | 1952-02-19 | American Viscose Corp | Method and means for packaging |
| US2717148A (en) * | 1953-11-19 | 1955-09-06 | Hall Michael Frank | Air cleaner and humidifier |
| US2865511A (en) * | 1955-12-28 | 1958-12-23 | Gand A Lab Inc | Filter apparatus |
| GB880469A (en) * | 1959-04-17 | 1961-10-25 | Purolator Products Inc | A filter and method of making a filter |
| FR1260157A (fr) * | 1960-03-24 | 1961-05-05 | Ets A Guiot | Perfectionnements apportés aux filtres à air |
| US3199275A (en) * | 1962-02-27 | 1965-08-10 | Studley Paper Company Inc | Conical filter |
| US3498464A (en) * | 1968-08-28 | 1970-03-03 | Daniel R Enosolone | Knock-down filter |
| US3458050A (en) * | 1968-09-10 | 1969-07-29 | Pall Corp | Frustoconical filter fittings |
| US3870495A (en) * | 1972-12-22 | 1975-03-11 | Air Purification Systems Inc | Particulate and/or gas filters and associated filtering equipment to purify air to be breathed by persons in vehicles and/or buildings, and manufacture and installation of these filters |
| US3937015A (en) * | 1973-05-03 | 1976-02-10 | Nippondenso Co., Ltd. | Pleated filter in the exhaust manifold |
| US3918942A (en) * | 1974-05-03 | 1975-11-11 | Purdue Research Foundation | Aseptic storage system for bulk materials and improved microbiological filter therefor |
| US4006000A (en) * | 1974-06-06 | 1977-02-01 | United Filtration Corporation | All dry air cleaner |
| CA1069001A (en) * | 1976-09-03 | 1980-01-01 | Frederick E. Schuler | Air cleaner with integral louvered precleaner |
| AR214922A1 (es) * | 1977-05-25 | 1979-08-15 | Donaldson Co Inc | Un purificador de dos etapas de aire |
| US4135899A (en) * | 1977-05-25 | 1979-01-23 | Donaldson Company, Inc. | Safety filter for air cleaner |
-
1978
- 1978-04-24 US US05/898,906 patent/US4211543A/en not_active Expired - Lifetime
-
1979
- 1979-04-20 CA CA325,959A patent/CA1122544A/en not_active Expired
- 1979-04-23 FR FR7910176A patent/FR2432331B1/fr not_active Expired
- 1979-04-23 DE DE19792948781 patent/DE2948781T5/de not_active Ceased
- 1979-04-23 CH CH1153979A patent/CH646344A5/de not_active IP Right Cessation
- 1979-04-23 GB GB7943398A patent/GB2036593B/en not_active Expired
- 1979-04-23 WO PCT/US1979/000257 patent/WO1979000978A1/en unknown
- 1979-04-23 JP JP50069079A patent/JPS55500278A/ja active Pending
- 1979-04-24 NL NL7903225A patent/NL7903225A/xx not_active Application Discontinuation
- 1979-04-24 IT IT22155/79A patent/IT1192646B/it active
- 1979-04-24 ZA ZA791940A patent/ZA791940B/xx unknown
- 1979-04-24 PL PL1979215118A patent/PL128956B1/pl unknown
- 1979-04-24 BE BE194814A patent/BE875825A/xx not_active IP Right Cessation
- 1979-12-20 SE SE7910555A patent/SE424266B/sv not_active IP Right Cessation
- 1979-12-21 SU SU792858655A patent/SU1074389A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| ZA791940B (en) | 1980-07-30 |
| GB2036593A (en) | 1980-07-02 |
| IT7922155A0 (it) | 1979-04-24 |
| JPS55500278A (hu) | 1980-05-08 |
| SU1074389A3 (ru) | 1984-02-15 |
| CH646344A5 (de) | 1984-11-30 |
| SE7910555L (hu) | 1979-12-20 |
| FR2432331B1 (fr) | 1988-09-16 |
| FR2432331A1 (fr) | 1980-02-29 |
| DE2948781T5 (hu) | 1980-12-11 |
| NL7903225A (nl) | 1979-10-26 |
| IT1192646B (it) | 1988-04-27 |
| PL215118A1 (hu) | 1980-02-25 |
| BE875825A (fr) | 1979-08-16 |
| GB2036593B (en) | 1982-08-18 |
| WO1979000978A1 (en) | 1979-11-29 |
| PL128956B1 (en) | 1984-03-31 |
| CA1122544A (en) | 1982-04-27 |
| US4211543A (en) | 1980-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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