List of water purification patents

Patents where

Current Assignee

Industry

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 11629072 Liquid solution concentration system comprising isolated subsystem and related methods	Patent 11629072 was granted and assigned to Gradiant Corporation on April, 2023 by the United States Patent and Trademark Office.	Gradiant Corporation	Gradiant Corporation	United States Patent and Trademark Office	11629072	April 18, 2023
‌ US Patent 11608282 Hybrid electrochemical and membrane-based processes for treating water with high silica concentrations	Patent 11608282 was granted and assigned to Magna Imperio Systems Corp. on March, 2023 by the United States Patent and Trademark Office.	Magna Imperio Systems Corp.	Magna Imperio Systems Corp.	United States Patent and Trademark Office	11608282	March 21, 2023
‌ US Patent 12023608 Hybrid desalination systems and associated methods	Patent 12023608 was granted and assigned to Gradiant Corporation on July, 2024 by the United States Patent and Trademark Office.	Gradiant Corporation	Gradiant Corporation	United States Patent and Trademark Office	12023608	July 2, 2024
‌ US Patent 11325851 Diluted chemical liquid production apparatus capable of controlling pH and oxidation-reduction potential	Patent 11325851 was granted and assigned to Kurita Water Industries on May, 2022 by the United States Patent and Trademark Office.	Kurita Water Industries	Kurita Water Industries	United States Patent and Trademark Office	11325851	May 10, 2022
‌ US Patent 10479701 Production of ultra-high-density brines using transiently-operated desalination systems	Patent 10479701 was granted and assigned to Gradiant Corporation on November, 2019 by the United States Patent and Trademark Office.	Gradiant Corporation	Gradiant Corporation	United States Patent and Trademark Office	10479701	November 19, 2019
‌ US Patent 11286189 Treatment of fluoride-containing wastewater	Patent 11286189 was granted and assigned to Ovivo on March, 2022 by the United States Patent and Trademark Office.	Ovivo	Ovivo	United States Patent and Trademark Office	11286189	March 29, 2022
‌ US Patent 9266748 Transiently-operated desalination systems with heat recovery and associated methods	Patent 9266748 was granted and assigned to Gradiant Corporation on February, 2016 by the United States Patent and Trademark Office.	Gradiant Corporation	Gradiant Corporation	United States Patent and Trademark Office	9266748	February 23, 2016
‌ US Patent 9617169 Transiently-operated desalination systems with heat recovery and associated methods	Patent 9617169 was granted and assigned to Gradiant Corporation on April, 2017 by the United States Patent and Trademark Office.	Gradiant Corporation	Gradiant Corporation	United States Patent and Trademark Office	9617169	April 11, 2017
‌ US Patent 9981860 Production of ultra-high-density brines using transiently-operated desalination systems	Patent 9981860 was granted and assigned to Gradiant Corporation on May, 2018 by the United States Patent and Trademark Office.	Gradiant Corporation	Gradiant Corporation	United States Patent and Trademark Office	9981860	May 29, 2018
‌ US Patent 11331601 Clarifier with submerged effluent launder and launder sweeper system	Patent 11331601 was granted and assigned to Ovivo on May, 2022 by the United States Patent and Trademark Office.	Ovivo	Ovivo	United States Patent and Trademark Office	11331601	May 17, 2022
‌ US Patent 11339065 Apparatus for producing aqueous pH- and redox potential-adjusting solution	Patent 11339065 was granted and assigned to Kurita Water Industries on May, 2022 by the United States Patent and Trademark Office.	Kurita Water Industries	Kurita Water Industries	United States Patent and Trademark Office	11339065	May 24, 2022
‌ US Patent 7678302 Method and apparatus for making porous agarose beads	Patent 7678302 was granted and assigned to Millipore (company) on March, 2010 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	7678302	March 16, 2010
‌ US Patent 7408174 Fluid treatment system	Patent 7408174 was granted and assigned to Trojan Technologies on August, 2008 by the United States Patent and Trademark Office.		Trojan Technologies	United States Patent and Trademark Office	7408174	August 5, 2008
‌ US Patent 7578934 Chromatographic column seal	Patent 7578934 was granted and assigned to Millipore Sigma on August, 2009 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	7578934	August 25, 2009
‌ US Patent 7658886 Universal filtration plate	Patent 7658886 was granted and assigned to Millipore (company) on February, 2010 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	7658886	February 9, 2010
‌ US Patent 11400416 Osmotic desalination methods and associated systems	Patent 11400416 was granted and assigned to Gradiant Corporation on August, 2022 by the United States Patent and Trademark Office.	Gradiant Corporation	Gradiant Corporation	United States Patent and Trademark Office	11400416	August 2, 2022
‌ US Patent 7951611 High density cast-in-place sample preparation card	Patent 7951611 was granted and assigned to Millipore (company) on May, 2011 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	7951611	May 31, 2011
‌ US Patent 7331716 Flexible container, method of forming the flexible container, seal-breaking guide of the flexible container, method of enclosing liquid in the flexible container and the liquid enclosed in the flexible container	Patent 7331716 was granted and assigned to Kurita Water Industries on February, 2008 by the United States Patent and Trademark Office.		Kurita Water Industries	United States Patent and Trademark Office	7331716	February 19, 2008
‌ US Patent 8007745 Anti-clogging device and method for in-gel digestion applications	Patent 8007745 was granted and assigned to Millipore (company) on August, 2011 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	8007745	August 30, 2011
‌ US Patent 11459252 Aerobic biological treatment apparatus		Kurita Water Industries	Kurita Water Industries	United States Patent and Trademark Office	11459252	October 4, 2022
‌ US Patent 9856153 Radiation source assembly	Patent 9856153 was granted and assigned to Trojan Technologies on January, 2018 by the United States Patent and Trademark Office.	Trojan Technologies	Trojan Technologies	United States Patent and Trademark Office	9856153	January 2, 2018
‌ US Patent 7678269 Asymmetric porous adsorptive bead	Patent 7678269 was granted and assigned to Millipore (company) on March, 2010 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	7678269	March 16, 2010
‌ US Patent 7332084 Process for biological treatment of organic wastewater and apparatus therefor	Patent 7332084 was granted and assigned to Kurita Water Industries on February, 2008 by the United States Patent and Trademark Office.		Kurita Water Industries	United States Patent and Trademark Office	7332084	February 19, 2008
‌ US Patent 7435339 Filter device integrating sampled volume control	Patent 7435339 was granted and assigned to Millipore (company) on October, 2008 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	7435339	October 14, 2008
‌ US Patent 7578205 Sterile sampling device	Patent 7578205 was granted and assigned to Millipore Sigma on August, 2009 by the United States Patent and Trademark Office.		Millipore Sigma	United States Patent and Trademark Office	7578205	August 25, 2009

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