CA3040072A1 - Modular valve with o-ring valve seat - Google Patents
Modular valve with o-ring valve seat Download PDFInfo
- Publication number
- CA3040072A1 CA3040072A1 CA3040072A CA3040072A CA3040072A1 CA 3040072 A1 CA3040072 A1 CA 3040072A1 CA 3040072 A CA3040072 A CA 3040072A CA 3040072 A CA3040072 A CA 3040072A CA 3040072 A1 CA3040072 A1 CA 3040072A1
- Authority
- CA
- Canada
- Prior art keywords
- valve
- solenoid
- valve member
- bushing
- pole piece
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 13
- 239000000696 magnetic material Substances 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 abstract description 10
- 230000001070 adhesive effect Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 14
- 239000013536 elastomeric material Substances 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000007767 bonding agent Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000006842 Henry reaction Methods 0.000 description 2
- 229920006169 Perfluoroelastomer Polymers 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000026280 response to electrical stimulus Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
- F16K31/0658—Armature and valve member being one single element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
- F16K1/385—Valve members of conical shape contacting in the closed position, over a substantial axial length, a seat surface having the same inclination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/954,815 | 2018-04-17 | ||
| US15/954,815 US10774943B2 (en) | 2018-04-17 | 2018-04-17 | Modular valve with O-ring valve set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3040072A1 true CA3040072A1 (en) | 2019-10-17 |
Family
ID=66182421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3040072A Pending CA3040072A1 (en) | 2018-04-17 | 2019-04-11 | Modular valve with o-ring valve seat |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US10774943B2 (enExample) |
| EP (1) | EP3557100B1 (enExample) |
| JP (1) | JP7530704B2 (enExample) |
| KR (1) | KR102418509B1 (enExample) |
| CN (1) | CN110388469B (enExample) |
| AU (1) | AU2019202361B2 (enExample) |
| BR (1) | BR102019007894B1 (enExample) |
| CA (1) | CA3040072A1 (enExample) |
| ES (1) | ES3002661T3 (enExample) |
| MX (1) | MX2019004516A (enExample) |
| TW (1) | TWI706098B (enExample) |
| ZA (1) | ZA201902414B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2023001666A (es) * | 2020-08-24 | 2023-03-08 | Lancer Corp | Sistema y valvula de cartucho. |
| CN120231886A (zh) * | 2021-04-27 | 2025-07-01 | 斯瓦戈洛克公司 | 提升件子组件、阀和组装提升件和阀主体壳体的方法 |
| CN116221416B (zh) * | 2021-12-02 | 2025-07-25 | 盾安汽车热管理科技有限公司 | 电动阀门 |
| CN115628293B (zh) * | 2022-09-30 | 2025-08-01 | 燕山大学 | 低功耗微型高速开关阀及其使用方法 |
| US12467542B2 (en) | 2024-02-13 | 2025-11-11 | Mac Valves, Inc. | Valve having a quad ring seal |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2350905A (en) * | 1941-12-11 | 1944-06-06 | Gustave J Koehler | Fluid valve |
| US2853659A (en) * | 1952-03-10 | 1958-09-23 | Herion Erich | Solenoid arrangements |
| US3379214A (en) * | 1965-01-15 | 1968-04-23 | Skinner Prec Ind Inc | Permanent magnet valve assembly |
| US3489170A (en) * | 1966-06-17 | 1970-01-13 | Arthur L Leman | Slush pump valve assembly |
| JPS49122425U (enExample) * | 1973-02-14 | 1974-10-19 | ||
| FR2244948A1 (en) | 1973-09-21 | 1975-04-18 | Guilbert Fils Anciens Ets Leon | Stop cock having special flow path for low rate setting - formed by recess in valve member |
| JPS5313947Y2 (enExample) * | 1974-06-12 | 1978-04-14 | ||
| CA1021225A (en) * | 1974-06-28 | 1977-11-22 | General Signal Corporation | Quick-acting valve assembly |
| JPS5573670U (enExample) * | 1978-11-17 | 1980-05-21 | ||
| DE3173841D1 (en) * | 1980-12-26 | 1986-03-27 | Hitachi Ltd | Solenoid valve |
| JPS60137276U (ja) * | 1984-02-23 | 1985-09-11 | 万歳工業株式会社 | 逆止弁 |
| JPS6194663U (enExample) * | 1984-11-29 | 1986-06-18 | ||
| US5060695A (en) * | 1990-04-02 | 1991-10-29 | Coltec Industries Inc | Bypass flow pressure regulator |
| JP2607670Y2 (ja) * | 1993-10-21 | 2002-03-04 | エスエムシー株式会社 | 自己保持型電磁弁 |
| FR2721085B1 (fr) * | 1994-06-10 | 1996-07-12 | Commissariat Energie Atomique | Système à joint d'étanchéité comprimé entre deux portées non parallèles. |
| JPH08219381A (ja) * | 1995-02-17 | 1996-08-30 | Orion Mach Co Ltd | 電磁式ドレントラップ |
| DE19604315A1 (de) * | 1996-02-07 | 1997-08-14 | Bosch Gmbh Robert | Elektromagnetisch betätigtes Ventil, insbesondere für hydraulische Bremsanlagen von Kraftfahrzeugen |
| US5967487A (en) * | 1997-08-25 | 1999-10-19 | Siemens Canada Ltd. | Automotive emission control valve with a cushion media |
| US6065734A (en) * | 1997-10-03 | 2000-05-23 | Kelsey-Hayes Company | Control valve for a hydraulic control unit of vehicular brake systems |
| US20070241298A1 (en) * | 2000-02-29 | 2007-10-18 | Kay Herbert | Electromagnetic apparatus and method for controlling fluid flow |
| US6948697B2 (en) * | 2000-02-29 | 2005-09-27 | Arichell Technologies, Inc. | Apparatus and method for controlling fluid flow |
| JP2003240149A (ja) | 2002-02-13 | 2003-08-27 | Aisan Ind Co Ltd | 電磁弁 |
| US6845965B2 (en) * | 2002-04-18 | 2005-01-25 | Teleflex Gpi Control Systems L.P. | Pressurized valve seal |
| JP2006207695A (ja) | 2005-01-28 | 2006-08-10 | Zama Japan Co Ltd | ソレノイド |
| CN201173329Y (zh) * | 2007-12-30 | 2008-12-31 | 瑞立集团有限公司 | 阀芯运动连续可调的电磁阀 |
| DE102009027527A1 (de) | 2009-07-08 | 2011-01-20 | Robert Bosch Gmbh | Ventil |
| US9016660B2 (en) * | 2010-02-03 | 2015-04-28 | Kelsey-Hayes Company | Electromagnetic valve |
| JP5661407B2 (ja) | 2010-10-05 | 2015-01-28 | 株式会社ジェイテクト | 電磁弁 |
| US8342479B2 (en) * | 2010-12-29 | 2013-01-01 | Shih Shih Technology Co., Ltd. | Solenoid controlled valve for fluid media |
| CN102661396A (zh) * | 2012-05-18 | 2012-09-12 | 郑红侠 | 新型截止阀阀芯连接套机构 |
| US8684036B1 (en) * | 2013-03-07 | 2014-04-01 | Yozo Satoda | Cryogenic valve |
| US9022069B2 (en) | 2013-03-15 | 2015-05-05 | Mac Valves, Inc. | Solenoid operated valve with constant bleed port |
| GB2520309B (en) | 2013-11-15 | 2020-09-09 | Chargepoint Tech Limited | Valve Seat |
| NO336259B1 (no) * | 2014-02-03 | 2015-07-06 | Subsea Chokes Internat As | Ventil for strømningsregulering av et fluid |
| KR102270597B1 (ko) | 2014-04-02 | 2021-06-29 | 배트 홀딩 아게 | 진공밸브 |
| JP6331645B2 (ja) | 2014-04-22 | 2018-05-30 | 株式会社ジェイテクト | 弁装置 |
| CN104565502A (zh) * | 2015-01-27 | 2015-04-29 | 重庆融焕电器有限公司 | 脉冲电磁阀的阀头 |
| CN105299240B (zh) * | 2015-10-26 | 2017-12-29 | 陈妍雨 | 一种硅胶管道用结构改进的切断阀 |
| US10473229B2 (en) | 2017-09-25 | 2019-11-12 | Mac Valves, Inc. | Diaphragm valve |
-
2018
- 2018-04-17 US US15/954,815 patent/US10774943B2/en active Active
-
2019
- 2019-04-04 AU AU2019202361A patent/AU2019202361B2/en active Active
- 2019-04-11 CA CA3040072A patent/CA3040072A1/en active Pending
- 2019-04-11 JP JP2019075236A patent/JP7530704B2/ja active Active
- 2019-04-15 EP EP19169248.2A patent/EP3557100B1/en active Active
- 2019-04-15 ES ES19169248T patent/ES3002661T3/es active Active
- 2019-04-16 ZA ZA2019/02414A patent/ZA201902414B/en unknown
- 2019-04-16 MX MX2019004516A patent/MX2019004516A/es unknown
- 2019-04-16 KR KR1020190044453A patent/KR102418509B1/ko active Active
- 2019-04-17 BR BR102019007894-4A patent/BR102019007894B1/pt active IP Right Grant
- 2019-04-17 CN CN201910310514.XA patent/CN110388469B/zh active Active
- 2019-04-17 TW TW108113309A patent/TWI706098B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| NZ752425A (en) | 2025-03-28 |
| AU2019202361B2 (en) | 2025-01-30 |
| CN110388469A (zh) | 2019-10-29 |
| JP2020003060A (ja) | 2020-01-09 |
| BR102019007894A2 (pt) | 2019-10-29 |
| AU2019202361A1 (en) | 2019-10-31 |
| TWI706098B (zh) | 2020-10-01 |
| BR102019007894B1 (pt) | 2023-01-24 |
| MX2019004516A (es) | 2019-10-18 |
| ZA201902414B (en) | 2021-04-28 |
| TW201945656A (zh) | 2019-12-01 |
| US10774943B2 (en) | 2020-09-15 |
| ES3002661T3 (en) | 2025-03-07 |
| JP7530704B2 (ja) | 2024-08-08 |
| US20190316704A1 (en) | 2019-10-17 |
| KR20190121259A (ko) | 2019-10-25 |
| EP3557100B1 (en) | 2024-11-20 |
| CN110388469B (zh) | 2023-03-10 |
| EP3557100A1 (en) | 2019-10-23 |
| KR102418509B1 (ko) | 2022-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20220722 |
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| EEER | Examination request |
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| EEER | Examination request |
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| EEER | Examination request |
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| EEER | Examination request |
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| EEER | Examination request |
Effective date: 20220722 |