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1970-12-01 |
Calgon C0Rp |
Dredging process
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1971-11-02 |
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Biochemical sewage treatment via high purity molecular oxygen
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1969-04-24 |
1972-05-30 |
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Method and apparatus for collecting oil from an underwater leak
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1969-07-08 |
1971-12-14 |
Wilputte Corp |
Coke breeze reclaiming system
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1969-10-06 |
1972-06-20 |
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1969-11-24 |
1972-05-30 |
Chicago Bridge & Iron Co |
Method and apparatus for dispersing coagulant into a water stream
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1970-08-03 |
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Sanders Associates Inc |
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1971-02-09 |
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1972-07-20 |
1976-07-14 |
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Venturi anti-siltation system
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1973-01-08 |
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Process for treatment of sewage in a gravity sewer
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1973-06-28 |
1975-11-18 |
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Self-contained water treatment system
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1974-10-24 |
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1974-11-25 |
1976-05-11 |
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1977-05-05 |
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Hydrotechnic Corporation |
Method for the treatment of sea discharged sewage
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1978-10-24 |
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Installation de prelevement et de traitement d'epuration d'eaux et d'effluents aqueux.
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Method for providing auxiliary cooling and aerating of liquids to supplement or replace fixed cooling towers
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1980-04-14 |
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Water Pollution Control Corp. |
Ring channel aeration apparatus and method
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1981-02-03 |
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System for removing sludge from dam reservoir
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1983-11-09 |
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Albert Blum |
Belueftungsvorrichtung fuer groessere gewaesser
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1984-05-18 |
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Vorrichtung zum begasen von gewaessern
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Intekta S.A. |
Grosskläranlage
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1987-09-01 |
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Apparatus for microaquaculture and pollution control
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1990-06-19 |
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Process for microaquaculture and pollution control
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1986-04-07 |
1987-05-12 |
Atec Inc. |
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1986-07-30 |
1989-07-18 |
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Apparatus and method for confining and decontaminating soil
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Kaiyo Kogyo Kabushiki Kaisha |
Apparatus for improving the quality of a large amount of water and the quantity of dissolved oxygen therein
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Kaiyo Kogyo Kabushiki Kaisha |
Method of improving the quality of large amount of water, and quantity of dissolved oxygen therein
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1992-06-09 |
Environmental Reclamation Systems, Inc. |
Method and apparatus for confining and reclaiming hydrocarbon contaminated land sites
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1994-08-23 |
Clean-Flo Laboratories, Inc. |
Aeration system and method
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Mitsubishi Electric Corp |
オゾン浄化装置
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Aeration device
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Method for reducing sludge within a river or the like
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processo de recuperação ambiental em regiões urbanas.
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2003-09-04 |
University Of Utah Research Foundation |
Remediation with ozone of sediments containing organic contaminants
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2007-09-04 |
Thomas Kryzak |
Apparatus, system and method for remediation of contamination
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하천 정화 장치
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2006-11-23 |
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An apparatus for treating small river water
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2008-05-28 |
Crystal Lagoons Corp Llc |
Proceso de obtencion de grandes cuerpos de agua mayores a 15.000 m3 para uso recreacionales con caracteristicas de coloracion, transparencia y limpieza similares a las piscinas o mares tropicales a bajo costo
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2010-01-12 |
Dt Engenharia De Empreendimentos Ltda |
sistema modular de fluxo variável e contìnuo para tratamento de cursos d'água
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2008-10-20 |
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Absolute Aeration |
Sistema y metodo para reducir la contaminacion en un cuerpo de agua.
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2008-12-24 |
2009-03-13 |
Crystal Lagoons Curacao Bv |
Proceso de filtracion del agua de un estanque, sin filtrar la totalidad del agua, que comprende a) emitir ondas ultrasonicas en el estanque; b) adicionar un floculante, c) succionar los floculos con un aparato aspirador hacia una linea recolectora de efluente; d) filtrar dicho efluente y retornar el caudal filtrado al estanque.
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Dt Engenharia De Empreendimentos Ltda |
injeção de oxigênio em bacia de flotação do processo de remoção de substâncias poluentes em cursos d'água
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2011-03-30 |
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Method and system for the sustainable cooling of industrial processes
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نظام لمعالجة الماء المستخدم لأغراض صناعية
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2011-03-30 |
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Dt Engenharia De Empreendimentos Ltda |
Aperfeiçoamento em instalação para remoção de materiais e/ou substâncias poluentes contidas em cursos d'água
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Sistema galleggiante modulare per il trattamento dinamico di corpi d'acqua a flusso e livelli variabili
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Crystal Lagoons Curacao Bv |
Localized disinfection system for large water bodies
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Air cloud particle suspension dredge
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Crystal Lagoons (Curacao) B.V. |
Floating lake system and methods of treating water within a floating lake
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2016-10-18 |
Crystal Lagoons (Curacao) B.V. |
System and method for maintaining water quality in large water bodies
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2014-11-12 |
2019-03-20 |
Crystal Lagoons (Curaçao) B.V. |
Absaugvorrichtung für grosse künstliche gewässer
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2019-06-28 |
2022-09-27 |
Crystal Lagoons Technologies, Inc. |
Low cost and sanitary efficient method that creates two different treatment zones in large water bodies to facilitate direct contact recreational activities
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2020-04-24 |
安徽百和环保科技有限公司 |
一种用于河道支流口的水体净化***
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2020-03-25 |
2020-06-23 |
天津市环境保护科学研究院 |
一种对河道/湖库水体生态修复的***及修复方法
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2020-07-20 |
2021-06-01 |
João Carlos Gomes De Oliveira |
Processo de tratamento de esgoto em canal contínuo, linear e flexível, através de sistema de reator biológico aeróbio modificado, ou transformação de reator biológico anaeróbio já existente em reator biológico aeróbio modificado, acoplado com sistema flexível de flotação/decantação modificado
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