CA2260105C - Cleanable filter media and filter elements - Google Patents
Cleanable filter media and filter elements Download PDFInfo
- Publication number
- CA2260105C CA2260105C CA002260105A CA2260105A CA2260105C CA 2260105 C CA2260105 C CA 2260105C CA 002260105 A CA002260105 A CA 002260105A CA 2260105 A CA2260105 A CA 2260105A CA 2260105 C CA2260105 C CA 2260105C
- Authority
- CA
- Canada
- Prior art keywords
- media
- filtration
- gas
- filtration media
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001914 filtration Methods 0.000 claims abstract description 101
- 239000012528 membrane Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims description 56
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 49
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 49
- 238000004140 cleaning Methods 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 12
- 229920000728 polyester Polymers 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 229920002631 room-temperature vulcanizate silicone Polymers 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000004760 aramid Substances 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims 4
- 239000007787 solid Substances 0.000 claims 2
- 239000004642 Polyimide Substances 0.000 claims 1
- 229920001721 polyimide Polymers 0.000 claims 1
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 abstract description 38
- 238000012545 processing Methods 0.000 abstract description 4
- 230000001427 coherent effect Effects 0.000 description 17
- 239000002245 particle Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 230000009965 odorless effect Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- -1 polypropylenes Polymers 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 2
- 229920001944 Plastisol Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002648 laminated material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 239000004999 plastisol Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000013467 silicone adhesive and sealant Substances 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000005303 weighing Methods 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
- B01D46/52—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
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1692—Other shaped material, e.g. perforated or porous sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
-
- 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
- B01D2275/10—Multiple layers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68077096A | 1996-07-11 | 1996-07-11 | |
| US08/680,770 | 1996-07-11 | ||
| US08/749,582 | 1996-11-15 | ||
| US08/749,582 US5928414A (en) | 1996-07-11 | 1996-11-15 | Cleanable filter media and filter elements |
| PCT/US1997/012283 WO1998002229A1 (en) | 1996-07-11 | 1997-07-09 | Cleanable filter media and filter elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2260105A1 CA2260105A1 (en) | 1998-01-22 |
| CA2260105C true CA2260105C (en) | 2001-12-25 |
Family
ID=27102513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002260105A Expired - Lifetime CA2260105C (en) | 1996-07-11 | 1997-07-09 | Cleanable filter media and filter elements |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US5928414A (enExample) |
| EP (1) | EP0928220B1 (enExample) |
| JP (1) | JP2000513648A (enExample) |
| AU (1) | AU3727897A (enExample) |
| CA (1) | CA2260105C (enExample) |
| DE (1) | DE69711201T2 (enExample) |
| WO (1) | WO1998002229A1 (enExample) |
Families Citing this family (89)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5928414A (en) * | 1996-07-11 | 1999-07-27 | W. L. Gore & Associates, Inc. | Cleanable filter media and filter elements |
| US6003196A (en) * | 1998-01-09 | 1999-12-21 | Royal Appliance Mfg. Co. | Upright vacuum cleaner with cyclonic airflow |
| JP3365617B2 (ja) * | 1998-06-11 | 2003-01-14 | 日東電工株式会社 | エアフィルタ用濾材の製造方法 |
| US6517919B1 (en) * | 1998-07-10 | 2003-02-11 | Donaldson Company, Inc. | Laminate and pulse jet filter bag |
| US7044134B2 (en) * | 1999-11-08 | 2006-05-16 | Ev3 Sunnyvale, Inc | Method of implanting a device in the left atrial appendage |
| US7128073B1 (en) * | 1998-11-06 | 2006-10-31 | Ev3 Endovascular, Inc. | Method and device for left atrial appendage occlusion |
| US7713282B2 (en) * | 1998-11-06 | 2010-05-11 | Atritech, Inc. | Detachable atrial appendage occlusion balloon |
| US6110249A (en) * | 1999-03-26 | 2000-08-29 | Bha Technologies, Inc. | Filter element with membrane and bicomponent substrate |
| DE19916595B4 (de) * | 1999-04-13 | 2005-03-31 | Siemens Ag | Anordnung zum Kühlen einer elektrischen Baugruppe und zum Kühlen eines elektrisch betriebenen technischen Gerätes |
| JP2002542010A (ja) * | 1999-04-20 | 2002-12-10 | ゴア エンタープライズ ホールディングス，インコーポレイティド | 濾過媒体 |
| US6994092B2 (en) * | 1999-11-08 | 2006-02-07 | Ev3 Sunnyvale, Inc. | Device for containing embolic material in the LAA having a plurality of tissue retention structures |
| US6596044B1 (en) * | 2000-03-06 | 2003-07-22 | The Hoover Company | Dirt collecting system for a vacuum cleaner |
| US6387144B1 (en) * | 2000-03-16 | 2002-05-14 | Nelson Industries, Inc. | Enhanced performance fibrous filter media and extended life fluid filter assembly |
| DE10014678C2 (de) * | 2000-03-17 | 2002-02-07 | Siemens Ag | Filterbeutel |
| US6409785B1 (en) | 2000-08-07 | 2002-06-25 | Bha Technologies, Inc. | Cleanable HEPA filter media |
| US6432177B1 (en) * | 2000-09-12 | 2002-08-13 | Donaldson Company, Inc. | Air filter assembly for low temperature catalytic processes |
| GB0104748D0 (en) * | 2001-02-27 | 2001-04-18 | Madison Filter Ltd | Improved filter media |
| CA2451597C (en) | 2001-07-12 | 2010-12-14 | Joseph P. Ouellette | Biomass heating system |
| US20030145566A1 (en) * | 2002-02-04 | 2003-08-07 | Parks David P. | Disposable filtration bag |
| US6706085B2 (en) | 2002-03-22 | 2004-03-16 | Albany International Corp. | Filter bag cage |
| JP2006516352A (ja) * | 2002-12-02 | 2006-06-29 | ドナルドソン カンパニー，インコーポレイティド | 水素燃料電池用の様々なフィルタエレメント |
| US7735493B2 (en) * | 2003-08-15 | 2010-06-15 | Atritech, Inc. | System and method for delivering a left atrial appendage containment device |
| GB2411367B (en) * | 2004-02-17 | 2008-06-04 | Nationwide Filter Company | Filter unit |
| EP1744796B1 (en) | 2004-04-20 | 2015-03-18 | Genzyme Corporation | Surgical mesh-like implant |
| DE102004028999A1 (de) * | 2004-06-16 | 2006-01-05 | Robert Bosch Gmbh | Hochdruckpumpe für eine Kraftstoffeinspritzeinrichtung einer Brennkraftmaschine |
| DE102005043791A1 (de) * | 2005-09-13 | 2007-03-15 | Mann + Hummel Gmbh | Einrichtung zur Reinigung von Luft |
| JP5008850B2 (ja) * | 2005-09-15 | 2012-08-22 | 住友電工ファインポリマー株式会社 | 四フッ化エチレン樹脂成形体、延伸四フッ化エチレン樹脂成形体、それらの製造方法、並びに、複合体、フィルター、衝撃変形吸収材及びシール材 |
| US7972359B2 (en) | 2005-09-16 | 2011-07-05 | Atritech, Inc. | Intracardiac cage and method of delivering same |
| US20070135826A1 (en) | 2005-12-01 | 2007-06-14 | Steve Zaver | Method and apparatus for delivering an implant without bias to a left atrial appendage |
| DE102006014236A1 (de) | 2006-03-28 | 2007-10-04 | Irema-Filter Gmbh | Plissierbares Vliesmaterial und Verfahren und Vorrichtung zur Herstellung derselben |
| US7726277B2 (en) * | 2007-03-06 | 2010-06-01 | Gm Global Technology Operations, Inc. | Engine idle warm-up of a homogeneous charge compression ignition engine |
| US20080230464A1 (en) * | 2007-03-22 | 2008-09-25 | Winstrup David E | Two sided conductive filtration media |
| US7837756B2 (en) | 2007-04-05 | 2010-11-23 | Aaf-Mcquay Inc. | Filter with ePTFE and method of forming |
| US7819936B2 (en) * | 2007-08-22 | 2010-10-26 | E.I. Du Pont De Nemours And Company | Filter felts and bag filters comprising blends of fibers derived from diamino diphenyl sulfone and heat resistant fibers |
| US8157896B2 (en) * | 2007-12-04 | 2012-04-17 | Demo Air Net, Llc | Air filtration system and method |
| US20090178970A1 (en) * | 2008-01-16 | 2009-07-16 | Ahlstrom Corporation | Coalescence media for separation of water-hydrocarbon emulsions |
| US8673040B2 (en) | 2008-06-13 | 2014-03-18 | Donaldson Company, Inc. | Filter construction for use with air in-take for gas turbine and methods |
| CN102196851B (zh) * | 2008-10-27 | 2014-11-12 | 瑟法Bdh有限公司 | 过滤袋、该过滤袋的可打褶过滤材料及其制造方法 |
| US20110146493A1 (en) * | 2009-12-22 | 2011-06-23 | General Electric Company | Filter bag and laminated filter media |
| JP5595802B2 (ja) | 2010-06-15 | 2014-09-24 | 日東電工株式会社 | 伸びの異方性が小さいポリテトラフルオロエチレン多孔質膜およびその製造方法 |
| US20120061923A1 (en) * | 2010-09-10 | 2012-03-15 | Bha Group, Inc. | Breathable gasket |
| RU2447928C1 (ru) * | 2010-11-18 | 2012-04-20 | Закрытое Акционерное Общество "Грасис" | Способ разделения и очистки газовых смесей до параметров потребления |
| DE102010052155A1 (de) * | 2010-11-22 | 2012-05-24 | Irema-Filter Gmbh | Luftfiltermedium mit zwei Wirkmechanismen |
| US20120174787A1 (en) * | 2011-01-12 | 2012-07-12 | General Electric Company | Filter having flow control features |
| US20110209612A1 (en) * | 2011-04-15 | 2011-09-01 | Bha Group, Inc. | Utilization of powdered sorbent for mercury control from coal-fired power plants |
| US8790432B2 (en) * | 2012-04-27 | 2014-07-29 | W. L. Gore & Associates, Inc. | Seam-sealed filters and methods of making thereof |
| CN103566658B (zh) * | 2012-07-19 | 2015-04-22 | 苏州托普斯环保科技有限公司 | 一种膜复合过滤材料及其加工工艺 |
| US9114342B2 (en) * | 2012-12-05 | 2015-08-25 | Rps Products, Inc. | Filter with covered edges |
| DE102013008402B4 (de) | 2013-05-16 | 2025-07-17 | Irema-Filter Gmbh | Faservlies und Verfahren zur Herstellung desselben |
| US10369524B2 (en) | 2014-01-06 | 2019-08-06 | W. L. Gore & Associates, Inc. | Autogenous cleaning filtration method and device |
| RU2563482C1 (ru) * | 2014-05-05 | 2015-09-20 | Лев Валентинович Чекалов | Устройство фильтрации |
| US9616371B1 (en) * | 2014-05-06 | 2017-04-11 | iFil USA, LLC | Cartridge filter with flow transition insert |
| CN104436866B (zh) * | 2014-10-08 | 2016-03-30 | 上海金由氟材料股份有限公司 | 一种无针孔除尘滤袋的制作方法 |
| US9731239B2 (en) * | 2014-12-15 | 2017-08-15 | W. L. Gore & Associates, Inc. | Fluoropolymer article for bacterial filtration |
| US9682339B2 (en) | 2015-01-23 | 2017-06-20 | Rps Products, Inc. | Collapsible filter with support structure |
| CN105137660A (zh) * | 2015-09-25 | 2015-12-09 | 京东方科技集团股份有限公司 | 一种光配向膜杂质去除装置和方法 |
| US10286350B1 (en) * | 2016-07-25 | 2019-05-14 | iFil USA, LLC | Composite filter and electrostatic dissipation material |
| DE202016105323U1 (de) * | 2016-09-23 | 2017-05-17 | Heimbach Gmbh & Co. Kg | Abdichtband zum Abdichten von Filterkörpern, Filterkörper mit einem solchen Abdichtband |
| US10286351B2 (en) | 2017-04-19 | 2019-05-14 | Rps Products, Inc. | Filter with flexible side seal |
| CN110831520B (zh) | 2017-04-27 | 2022-11-15 | 波士顿科学国际有限公司 | 具有织物保持倒钩的闭塞医疗装置 |
| CN107469469B (zh) * | 2017-08-24 | 2022-12-27 | 河南中烟工业有限责任公司 | 一种中央空调滤筒清洗装置 |
| SG11202004363WA (en) * | 2017-11-13 | 2020-06-29 | Gore & Ass | Filter bags comprising a porous membrane |
| EP3727164B1 (en) | 2017-12-18 | 2024-03-13 | Boston Scientific Scimed, Inc. | Occlusive device with expandable member |
| EP3740139A1 (en) | 2018-01-19 | 2020-11-25 | Boston Scientific Scimed Inc. | Occlusive medical device with delivery system |
| WO2019213274A1 (en) | 2018-05-02 | 2019-11-07 | Boston Scientific Scimed, Inc. | Occlusive sealing sensor system |
| WO2019222382A1 (en) | 2018-05-15 | 2019-11-21 | Boston Scientific Scimed, Inc. | Occlusive medical device with charged polymer coating |
| WO2019237022A1 (en) | 2018-06-08 | 2019-12-12 | Boston Scientific Scimed, Inc. | Occlusive device with actuatable fixation members |
| EP3801300A1 (en) | 2018-06-08 | 2021-04-14 | Boston Scientific Scimed, Inc. | Medical device with occlusive member |
| US11382635B2 (en) | 2018-07-06 | 2022-07-12 | Boston Scientific Scimed, Inc. | Occlusive medical device |
| US11596533B2 (en) | 2018-08-21 | 2023-03-07 | Boston Scientific Scimed, Inc. | Projecting member with barb for cardiovascular devices |
| WO2020113215A1 (en) * | 2018-11-30 | 2020-06-04 | Majid Zia | Pleated media for a conical shaped filter element |
| WO2021011694A1 (en) | 2019-07-17 | 2021-01-21 | Boston Scientific Scimed, Inc. | Left atrial appendage implant with continuous covering |
| EP4563099A3 (en) | 2019-08-30 | 2025-08-06 | Boston Scientific Scimed, Inc. | Left atrial appendage implant with sealing disk |
| US11903589B2 (en) | 2020-03-24 | 2024-02-20 | Boston Scientific Scimed, Inc. | Medical system for treating a left atrial appendage |
| CN112439268B (zh) * | 2020-10-16 | 2022-05-17 | 北京理韩汽车配件有限公司 | 一种过滤气体的过滤滤芯及净化方法 |
| JP7627761B2 (ja) | 2020-11-30 | 2025-02-06 | ボストン サイエンティフィック サイムド，インコーポレイテッド | 植込型受動式平均圧センサ |
| WO2022133250A1 (en) | 2020-12-18 | 2022-06-23 | Boston Scientific Scimed, Inc. | Occlusive medical device having sensing capabilities |
| WO2022155344A1 (en) | 2021-01-14 | 2022-07-21 | Boston Scientific Scimed, Inc. | Medical system for treating a left atrial appendage |
| US12383201B2 (en) | 2021-02-03 | 2025-08-12 | Boston Scientific Scimed, Inc. | Medical system for treating a left atrial appendage |
| CN117500445A (zh) | 2021-06-22 | 2024-02-02 | 波士顿科学医学有限公司 | 左心耳植入件 |
| JP7690067B2 (ja) | 2021-07-08 | 2025-06-09 | ボストン サイエンティフィック サイムド，インコーポレイテッド | 左心耳閉鎖デバイス |
| US12349918B2 (en) | 2021-09-08 | 2025-07-08 | Boston Scientific Scimed, Inc. | Multi-sharpness split top soft tissue anchors |
| CN113813704B (zh) * | 2021-09-16 | 2022-10-11 | 南昌大学 | 一种带有风阀的褶式滤筒装置 |
| CN114247218B (zh) * | 2021-12-24 | 2023-06-16 | 福建龙净环保股份有限公司 | 一种烟气过滤装置及其清灰方法和除尘设备 |
| CN114631508B (zh) * | 2022-04-07 | 2023-12-22 | 湖州创感科技有限公司 | 一种用于贻贝幼苗培育用培养池 |
| WO2024030340A1 (en) | 2022-08-02 | 2024-02-08 | W. L. Gore & Associates, Inc. | Industrial filter assembly enhancement |
| US11772025B1 (en) | 2022-08-02 | 2023-10-03 | W. L. Gore & Associates, Inc. | Industrial filter assembly enhancement |
| WO2025049715A1 (en) | 2023-09-01 | 2025-03-06 | W. L. Gore & Associates, Inc. | Industrial filter assembly enhancement |
| WO2025049712A1 (en) | 2023-09-01 | 2025-03-06 | W. L. Gore & Associates, Inc. | Industrial filter assembly enhancement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2933154A (en) * | 1957-07-31 | 1960-04-19 | Du Pont | Process for filtering with polytetrafluoroethylene fibers |
| SE392582B (sv) * | 1970-05-21 | 1977-04-04 | Gore & Ass | Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande |
| US4096227A (en) * | 1973-07-03 | 1978-06-20 | W. L. Gore & Associates, Inc. | Process for producing filled porous PTFE products |
| US3957938A (en) * | 1974-10-21 | 1976-05-18 | Phillips Petroleum Company | Pretreatment of polytetrafluoroethylene filter bags |
| US4025679A (en) * | 1976-08-06 | 1977-05-24 | W. L. Gore & Associates, Inc. | Fibrillated polytetrafluoroethylene woven filter fabric |
| US4324574A (en) * | 1980-12-19 | 1982-04-13 | E. I. Du Pont De Nemours And Company | Felt-like layered composite of PTFE and glass paper |
| US4878930A (en) * | 1984-03-15 | 1989-11-07 | W. L. Gore & Associates, Inc. | Filter cartridge |
| DE3780511T2 (de) * | 1986-05-23 | 1993-03-04 | Gore & Ass | Hochleistungsgasfilter. |
| US4861353A (en) * | 1987-12-07 | 1989-08-29 | E. I. Du Pont De Nemours And Company | Filter element and assembly |
| US4830643A (en) * | 1988-07-13 | 1989-05-16 | W. L. Gore & Associates, Inc. | Expanded polytetrafluoroethylene tubular container |
| US4902423A (en) * | 1989-02-02 | 1990-02-20 | W. L. Gore & Associates, Inc. | Highly air permeable expanded polytetrafluoroethylene membranes and process for making them |
| US4985296A (en) * | 1989-03-16 | 1991-01-15 | W. L. Gore & Associates, Inc. | Polytetrafluoroethylene film |
| US4983434A (en) * | 1989-04-07 | 1991-01-08 | W. L. Gore & Associates, Inc. | Filter laminates |
| JPH0312209A (ja) * | 1989-06-08 | 1991-01-21 | Mitsubishi Gas Chem Co Inc | 粉塵ガスの濾過方法 |
| FR2656541B1 (fr) * | 1989-12-29 | 1992-09-18 | Gore W L & Ass Sarl | Dispositif en cassette pour la filtration de gaz. |
| US5096473A (en) * | 1991-03-01 | 1992-03-17 | W. L. Gore & Associates, Inc. | Filtration fabric laminates |
| US5229200A (en) * | 1991-12-18 | 1993-07-20 | W. L. Gore & Associates, Inc. | Static dissipative nonwoven textile material |
| US5207812B1 (en) * | 1992-05-08 | 1996-10-01 | Gore & Ass | Filter cartridge |
| EP0669849B1 (en) * | 1992-11-23 | 1996-12-27 | W.L. Gore & Associates, Inc. | Triboelectric filtration material |
| US5395429A (en) * | 1993-06-23 | 1995-03-07 | W. L. Gore & Associates, Inc. | Diffusion panel for use in ultra-clean environments and method for employing same |
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| US5527569A (en) * | 1994-08-22 | 1996-06-18 | W. L. Gore & Associates, Inc. | Conductive filter laminate |
| JP3012209U (ja) | 1994-11-22 | 1995-06-13 | 孔久 斉藤 | 育苗ポット用の穴堀装置 |
| US5478372A (en) * | 1995-02-08 | 1995-12-26 | W. L. Gore & Associates, Inc. | High temperature, chemical resistant laminate for filtration systems |
| US5476589A (en) * | 1995-03-10 | 1995-12-19 | W. L. Gore & Associates, Inc. | Porpous PTFE film and a manufacturing method therefor |
| US5928414A (en) * | 1996-07-11 | 1999-07-27 | W. L. Gore & Associates, Inc. | Cleanable filter media and filter elements |
| JP3012209B2 (ja) | 1997-01-17 | 2000-02-21 | 日本アンテナ株式会社 | 車載用アンテナ機構 |
-
1996
- 1996-11-15 US US08/749,582 patent/US5928414A/en not_active Expired - Lifetime
-
1997
- 1997-07-09 CA CA002260105A patent/CA2260105C/en not_active Expired - Lifetime
- 1997-07-09 DE DE69711201T patent/DE69711201T2/de not_active Expired - Lifetime
- 1997-07-09 JP JP09539331A patent/JP2000513648A/ja not_active Ceased
- 1997-07-09 AU AU37278/97A patent/AU3727897A/en not_active Abandoned
- 1997-07-09 WO PCT/US1997/012283 patent/WO1998002229A1/en not_active Ceased
- 1997-07-09 EP EP97934154A patent/EP0928220B1/en not_active Expired - Lifetime
-
1998
- 1998-10-09 US US09/169,530 patent/US6110243A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69711201T2 (de) | 2002-11-21 |
| US5928414A (en) | 1999-07-27 |
| US6110243A (en) | 2000-08-29 |
| JP2000513648A (ja) | 2000-10-17 |
| DE69711201D1 (de) | 2002-04-25 |
| AU3727897A (en) | 1998-02-09 |
| EP0928220A1 (en) | 1999-07-14 |
| WO1998002229A1 (en) | 1998-01-22 |
| CA2260105A1 (en) | 1998-01-22 |
| EP0928220B1 (en) | 2002-03-20 |
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