IL138198A - מערכות תגובת קובץ מקטעי התפתרצות אנוקסית מעורבים - Google Patents

מערכות תגובת קובץ מקטעי התפתרצות אנוקסית מעורבים

Info

Publication number
IL138198A
IL138198A IL13819899A IL13819899A IL138198A IL 138198 A IL138198 A IL 138198A IL 13819899 A IL13819899 A IL 13819899A IL 13819899 A IL13819899 A IL 13819899A IL 138198 A IL138198 A IL 138198A
Authority
IL
Israel
Prior art keywords
treatment
zone
anoxic
wastewater
aerobic
Prior art date
Application number
IL13819899A
Other languages
English (en)
Other versions
IL138198A0 (en
Original Assignee
Mikkel G Mandt
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/034,512 external-priority patent/US6190554B1/en
Application filed by Mikkel G Mandt filed Critical Mikkel G Mandt
Priority to IL15866299A priority Critical patent/IL158662A0/xx
Publication of IL138198A0 publication Critical patent/IL138198A0/xx
Publication of IL138198A publication Critical patent/IL138198A/he

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1263—Sequencing batch reactors [SBR]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/301—Aerobic and anaerobic treatment in the same reactor
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/308—Biological phosphorus removal
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Catalysts (AREA)
IL13819899A 1998-03-04 1999-03-03 מערכות תגובת קובץ מקטעי התפתרצות אנוקסית מעורבים IL138198A (he)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IL15866299A IL158662A0 (en) 1998-03-04 1999-03-03 Serge anoxic mix sequencing batch reactor systems

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/034,512 US6190554B1 (en) 1998-03-04 1998-03-04 Surge anoxic mix sequencing batch reactor systems
US10286498P 1998-10-02 1998-10-02
PCT/US1999/004744 WO1999044951A1 (en) 1998-03-04 1999-03-03 Surge anoxic mix sequencing batch reactor systems

Publications (2)

Publication Number Publication Date
IL138198A0 IL138198A0 (en) 2001-10-31
IL138198A true IL138198A (he) 2004-06-01

Family

ID=26711050

Family Applications (3)

Application Number Title Priority Date Filing Date
IL13819899A IL138198A (he) 1998-03-04 1999-03-03 מערכות תגובת קובץ מקטעי התפתרצות אנוקסית מעורבים
IL158662A IL158662A (he) 1998-03-04 2003-10-29 מערכות תגובת קובץ מקטעי התפרצות אנוקסית מעורבים
IL178656A IL178656A (en) 1998-03-04 2006-10-16 Surge anoxic mix sequencing batch reactor systems

Family Applications After (2)

Application Number Title Priority Date Filing Date
IL158662A IL158662A (he) 1998-03-04 2003-10-29 מערכות תגובת קובץ מקטעי התפרצות אנוקסית מעורבים
IL178656A IL178656A (en) 1998-03-04 2006-10-16 Surge anoxic mix sequencing batch reactor systems

Country Status (13)

Country Link
US (2) US6398957B1 (he)
EP (1) EP1070023B1 (he)
JP (1) JP4801256B2 (he)
KR (2) KR100753455B1 (he)
AT (1) ATE407915T1 (he)
AU (1) AU2893999A (he)
CA (1) CA2322696C (he)
DE (1) DE69939529D1 (he)
ES (1) ES2315009T3 (he)
IL (3) IL138198A (he)
NZ (1) NZ506595A (he)
PT (1) PT1070023E (he)
WO (1) WO1999044951A1 (he)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4801256B2 (ja) * 1998-03-04 2011-10-26 マント、ミッケル、ジー サージ無酸素性混合連続回分反応システム
KR100428047B1 (ko) * 2001-12-26 2004-04-28 박석균 역유입 슬러지를 이용한 오폐수 정화장치 및 방법
US6697740B2 (en) * 2002-02-19 2004-02-24 William G. Smith Method and system for real-time control of sampling instruments in a batch operation
US6620322B1 (en) * 2002-06-21 2003-09-16 Smith & Vesio Llc Apparatus and methods for purifying a waste influent material
AU2003254141A1 (en) * 2002-07-26 2004-02-16 The Regents Of The University Of California Treatment of wastewater by biological and membrane separation technologies
US6921486B2 (en) * 2002-11-14 2005-07-26 Stephen Hough Waste activated sludge anaerobic contact waste stream treatment process
US6830689B2 (en) * 2003-05-05 2004-12-14 United States Filter Corporation Process for removing phosphorus from wastewater utilizing a triple basin wastewater treatment system
HU226855B1 (hu) * 2004-02-20 2009-12-28 Organica Zrt Berendezés szerves szennyezõdést tartalmazó szennyvíz, különösen kommunális vagy/és élelmiszer-ipari szennyvizek eleveniszapos biológiai tisztítására, valamint eljárás a berendezés üzemeltetésére
US20060027495A1 (en) * 2004-08-05 2006-02-09 Hough Stephen G Waste activated sludge anaerobic contact waste stream treatment process-recycle
US20060175252A1 (en) * 2005-02-04 2006-08-10 Upendrakumar K C Two phase anaerobic contact sequencing batch reactor (ACSBR) system for treating wastewater containing simple and complex organic constituents
DE102005007408A1 (de) * 2005-02-18 2006-08-24 Holm, Niels Christian, Dr. Verfahren zur Verbesserung der Denitrifikation und Bio-P-Elimination beim SBR-Verfahren
US7534357B2 (en) * 2005-03-28 2009-05-19 Navalis Environmental Systems, Llc Dual-train wastewater reclamation and treatment system
US7270750B2 (en) * 2005-04-08 2007-09-18 Ecofluid Systems, Inc. Clarifier recycle system design for use in wastewater treatment system
US7396453B1 (en) * 2005-04-19 2008-07-08 Procorp Enterprises, Llc Hydraulically integrated solids/liquid separation system for wastewater treatment
US7147777B1 (en) * 2005-05-09 2006-12-12 Eimco Water Technologies Llc Wastewater treatment system with membrane separators and provision for storm flow conditions
US7329351B2 (en) * 2005-06-01 2008-02-12 Absolute Aeration Process and apparatus for increasing biological activity in waste treatment in bodies of water
FR2889180B1 (fr) * 2005-08-01 2008-04-04 Suez Environnement Sa Procede et installation de traitement d'effluents concentres en azote dans un reacteur biologique sequentiel a cycles fractionnes
US7833415B2 (en) * 2005-10-26 2010-11-16 D.C. Water & Sewer Authority Method for treating raw sludge including a simultaneous or pulsed aerobic/anoxic digestion process
US7335305B2 (en) 2006-01-31 2008-02-26 Vision Envirotech International Co. Ltd. Sequential batch reactor and wastewater treatment process
US7837955B2 (en) * 2006-03-08 2010-11-23 Unimin Corporation Continuous reactor system for anoxic purification
JP4687597B2 (ja) * 2006-07-25 2011-05-25 株式会社Ｉｈｉ 廃水の活性汚泥処理方法及び活性汚泥処理装置
US7892422B2 (en) * 2006-08-11 2011-02-22 Chaffin Mark N Pressurized wastewater effluent chlorination system
DE102006042161A1 (de) * 2006-09-06 2008-03-27 Ecoenergy Gesellschaft Für Energie- Und Umwelttechnik Mbh Verfahren und Vorrichtung zur Trennung von fossiler und nativer Organik aus organischen Stoffgemischen
KR100712175B1 (ko) 2007-02-02 2007-04-27 전동현 연속순환처리를 통한 폐수 중의 슬러지 감량 방법
DE102007043583B3 (de) * 2007-09-13 2009-04-09 Fette Gmbh Rundlauf-Tablettenpresse
US8153006B1 (en) 2008-06-05 2012-04-10 Procorp Enterprises, Llc Anaerobic treatment process for ethanol production
EP2289855B1 (de) * 2009-08-31 2014-10-15 Peter Hartwig Abwasserreinigungsanlage sowie Verfahren zur Abwasserreinigung
DE102009039316A1 (de) * 2009-08-31 2011-03-31 Hartwig, Peter, Dr.-Ing. Abwasserreinigungsanlage und Verfahren zur Abwasserreinigung
US9552000B2 (en) * 2010-06-30 2017-01-24 Ge Healthcare Bio-Sciences Corp. Batch authoring tool and bioreactor control system
US10234852B2 (en) * 2010-06-30 2019-03-19 Ge Healthcare Bio-Sciences Corp. Batch authoring tool and bioreactor control system
CN101891339B (zh) * 2010-07-06 2011-12-21 浙江大学 一种生活污水处理装置
US20130206657A1 (en) * 2010-10-01 2013-08-15 Director General, Defence Research & Development Organisation Self-sustained bio-digester for onboard degradation of human waste
CN102101743B (zh) * 2011-01-11 2012-06-06 彭永臻 城市污水生物强化短程生物脱氮的装置与方法
US20130092612A1 (en) * 2011-10-14 2013-04-18 Kevin S. Crane Sludge thickening and ammonia treatment system
US8758620B2 (en) 2012-04-17 2014-06-24 Environmental Dynamics International, Inc. Decanted bio-balanced reactor and method
US20160185633A1 (en) * 2014-12-30 2016-06-30 University Of Florida Research Foundation, Inc. Recovery of nutrients from water and wastewater by precipitation as struvite
FR3042489B1 (fr) * 2015-10-20 2020-12-25 Cohin Environnement Reacteur biologique sequentiel et procede mettant en œuvre le reacteur
US11339071B2 (en) * 2016-10-28 2022-05-24 Rdp Technologies, Inc. Process for treating sewage sludge
CN106348447B (zh) * 2016-11-09 2023-09-22 泓天(大连)环境科技发展有限公司 混合液、污泥可自动回流的小型一体化污水处理装置
US10703658B2 (en) 2017-03-06 2020-07-07 Tangent Company Llc Home sewage treatment system
CN106957133A (zh) * 2017-04-19 2017-07-18 南昌航空大学 一种沼液的处理方法
JP6819878B2 (ja) * 2017-06-22 2021-01-27 Ｊｆｅエンジニアリング株式会社 繊維状物を含む有機性汚水の処理方法と装置
WO2019055721A1 (en) * 2017-09-14 2019-03-21 Evoqua Water Technologies Llc SIMULTANEOUS NITRIFICATION AND DENITRIFICATION (SNDN) IN SEQUENTIAL DISCONTINUOUS REACTOR APPLICATIONS
KR102057374B1 (ko) * 2017-09-26 2020-02-11 한국과학기술연구원 그래뉼을 이용한 하수처리 시스템
IL261842A (he) 2018-09-17 2019-01-31 S G T Sustainable Green Tech Ltd הפעלה יעילה של מערכת sbr אנארובית–אירובית
IL261837A (he) 2018-09-17 2019-01-31 S G T Sustainable Green Tech Ltd תהליך והתקן לטיפול בחומר אורגני
CN112761560A (zh) * 2020-12-31 2021-05-07 重庆地质矿产研究院 一种油气田及页岩气田废弃钻井泥浆的生物修复方法
WO2024044368A1 (en) * 2022-08-26 2024-02-29 Evoqua Water Technologies Llc Granular activated sludge in a variable water level reactor

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442241A (en) * 1946-08-26 1948-05-25 John E Koruzo Sewage treatment process
US3741393A (en) * 1972-02-22 1973-06-26 Aeration Septic Tank Co Aeration septic tank
US3959126A (en) * 1972-08-17 1976-05-25 Dorr-Oliver Incorporated Sewage handling and disposal process for chloride (NaCl) contaminated sludges
US3994802A (en) * 1975-04-16 1976-11-30 Air Products And Chemicals, Inc. Removal of BOD and nitrogenous pollutants from wastewaters
JPS5219465A (en) * 1975-08-05 1977-02-14 Mitsubishi Chem Ind Ltd Method for treating waste water
US4056465A (en) * 1976-04-12 1977-11-01 Air Products And Chemicals, Inc. Production of non-bulking activated sludge
USRE32429E (en) * 1976-04-12 1987-06-02 Air Products And Chemicals, Inc. Production of non-bulking activated sludge
BE885575Q (fr) * 1977-01-07 1981-02-02 Shattock Geoffrey F Traitement des boues par degradation biologique
US4271026A (en) * 1979-10-09 1981-06-02 Air Products And Chemicals, Inc. Control of activated sludge wastewater treating process for enhanced phosphorous removal
DE3002604A1 (de) * 1980-01-25 1981-07-30 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zur biologischen reinigung von abwasser
US4536286A (en) * 1983-10-24 1985-08-20 Water & Industrial Waste Laboratories, Inc. Mobile waste water and sludge treatment for hazardous and non-hazardous fluids
US4749494A (en) * 1985-04-01 1988-06-07 Mitsui Sekiyu Kagaku Kogyo Kabushiki Kaisha Treatment of waste water by the activated sludge process
US4693827A (en) * 1986-03-20 1987-09-15 Zimpro Inc. Process for protection of biological nitrification systems
IT1223293B (it) * 1987-08-07 1990-09-19 Snam Progetti Procedimento per la depurazione bilogica di acque reflue
US5013441A (en) * 1988-07-20 1991-05-07 Goronszy Mervyn C Biological nutrient removal with sludge bulking control in a batch activated sludge system
US5228996A (en) * 1991-02-15 1993-07-20 Mark Lansdell Method for treating waste water
GB9118560D0 (en) * 1991-08-30 1991-10-16 Pirtferm Ltd Process for degrading organic matter
US5207917A (en) * 1991-10-08 1993-05-04 Weaver Thomas J M Recycling and recovery of aqueous cleaner solutions
US5192442A (en) * 1991-12-02 1993-03-09 Zimpro Passavant Environmental Systems, Inc. Multiple zone batch treatment process
US5182021A (en) * 1991-12-16 1993-01-26 Lehigh University Biological process for enhanced removal of ammonia, nitrite, nitrate, and phosphate from wastewater
US5667688A (en) * 1991-12-23 1997-09-16 T. Kruger Systems As Process for the purification of polluted water
JPH05192687A (ja) * 1992-01-22 1993-08-03 Inax Corp 回分式汚水処理方法
US5205936A (en) * 1992-02-05 1993-04-27 Bio Clear Technology Inc. Sequencing batch reactors
US5393427A (en) * 1992-04-09 1995-02-28 Barnard; James L. Process for the biological treatment of wastewater
CN1050821C (zh) * 1993-02-02 2000-03-29 许仁寿 兼气式猪粪尿废水处理方法及其装置
US5514277A (en) * 1993-04-12 1996-05-07 Khudenko; Boris M. Treatment of wastewater and sludges
US5395527A (en) * 1993-07-01 1995-03-07 Eco Equipement Fep Inc. Process and apparatus for treating wastewater in a dynamic, bio sequenced manner
DE4400780C2 (de) * 1994-01-13 1997-01-30 Beller Consult Gmbh Vorrichtung zum zweistufigen Behandeln von Wasser in Wasserbehandlungsanlagen, insbesondere von Abwässern in Kläranlagen und dabei insbesondere zur Nitrifikation sowie Denitrifikation
US5527455A (en) * 1995-01-23 1996-06-18 Hoffa; Gary Fluidized bed biological filter system for fish tanks
CN1204061C (zh) * 1995-06-22 2005-06-01 比萨斯科有限公司 处理废水的方法和设备
US5658458A (en) * 1995-11-08 1997-08-19 Micronair, Inc. Apparatus for removing suspended inert solids from a waste stream
US5626755A (en) * 1995-11-08 1997-05-06 Micronair, Inc. Method and apparatus for waste digestion using multiple biological processes
US5744037A (en) * 1995-11-28 1998-04-28 Ebara Corporation Method of treating foul water
US5601719A (en) * 1996-01-11 1997-02-11 Black & Veatch Biological nutrient removal process for treatment of wastewater
US5688400A (en) * 1996-03-07 1997-11-18 Environmental Treatment Facilities, Inc. Waste water treatment plant
JPH10314791A (ja) * 1997-05-19 1998-12-02 Hitoshi Daidou 汚水処理装置
JP4801256B2 (ja) * 1998-03-04 2011-10-26 マント、ミッケル、ジー サージ無酸素性混合連続回分反応システム
US6190554B1 (en) * 1998-03-04 2001-02-20 Mikkel G. Mandt Surge anoxic mix sequencing batch reactor systems

Also Published As

Publication number Publication date
EP1070023B1 (en) 2008-09-10
KR20060093135A (ko) 2006-08-23
IL178656A0 (en) 2007-02-11
PT1070023E (pt) 2008-12-31
CA2322696C (en) 2009-08-11
AU2893999A (en) 1999-09-20
NZ506595A (en) 2003-09-26
KR20010034549A (ko) 2001-04-25
EP1070023A1 (en) 2001-01-24
JP2002505191A (ja) 2002-02-19
KR100763329B1 (ko) 2007-10-05
WO1999044951A1 (en) 1999-09-10
US20030136731A1 (en) 2003-07-24
IL158662A (he) 2007-06-03
EP1070023A4 (en) 2002-01-30
ES2315009T3 (es) 2009-03-16
JP4801256B2 (ja) 2011-10-26
DE69939529D1 (de) 2008-10-23
IL178656A (en) 2010-05-31
US6398957B1 (en) 2002-06-04
ATE407915T1 (de) 2008-09-15
KR100753455B1 (ko) 2007-08-31
CA2322696A1 (en) 1999-09-10
US6676836B2 (en) 2004-01-13
IL138198A0 (en) 2001-10-31

Similar Documents

Publication Publication Date Title
CA2322696C (en) Surge anoxic mix sequencing batch reactor systems
US6190554B1 (en) Surge anoxic mix sequencing batch reactor systems
US5942108A (en) Multi-phase dual cycle influent process
EP1259465B1 (en) Method and system for sustainable treatment of municipal and industrial wastewater
US5228996A (en) Method for treating waste water
US5514277A (en) Treatment of wastewater and sludges
US6926830B2 (en) Combined activated sludge-biofilm sequencing batch reactor and process
EP1966094B1 (en) Apparatus for treatmenting of sewage using semi-batch and method thereof
CA2160373A1 (en) Treatment of wastewater and sludges
JPH07106360B2 (ja) 排水、特に都市排水の清浄化方法およびその設備
CN114269695B (zh) 用于从废水流中移除铵的系统和方法
EP4159691A1 (en) Combined reactor for wastewater treatment
KR100839035B1 (ko) 산기관을 이용한 슬러지 고액분리 부상공정에 의한생물학적 하폐수 처리 장치 및 방법
US20220073390A1 (en) Fixed Biofilm Anaerobic-Aerobic Combined Reactor For Treating Wastewater
AU2003236421B2 (en) Surge Anoxic Mix Sequencing Batch Reactor Systems
AU2007201123A1 (en) Surge anoxic mix sequencing batch reactor systems
CN101607774A (zh) 一种污水处理设备及方法
KR100377947B1 (ko) 수중퇴비화 장치 및 그를 이용한 하폐수의 정화방법
MXPA00008624A (en) Surge anoxic mix sequencing batch reactor systems
CA2221407A1 (en) Aerobic bioreactor for treating aqueous wastes at high organic and solids loadings
CA2259517C (en) Multi-phase dual cycle influent process
JP2023176937A (ja) 水処理方法および水処理装置

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired