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Charles S. Williams
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Golden, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Radium removal from aqueous media using zeolite materials
Patent number
10,875,787
Issue date
Dec 29, 2020
WRT International LLC
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Radium removal from aqueous media using zeolite materials
Patent number
9,908,788
Issue date
Mar 6, 2018
WRT International LLC
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for removing cationic contaminants from water using natural...
Patent number
8,663,479
Issue date
Mar 4, 2014
WRT International LLC
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Dynamic up-flow zeolite system and method
Patent number
7,807,057
Issue date
Oct 5, 2010
WRT International LLC
Charles S. Williams
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Methods for purging absorptive materials used in the removal of con...
Patent number
7,713,424
Issue date
May 11, 2010
WRT International LLC
Charles S. Williams
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System and apparatus for purging absorptive materials used in the r...
Patent number
7,520,987
Issue date
Apr 21, 2009
WRT International LLC
Charles S. Williams
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Arsenic removal from aqueous media using chemically treated zeolite...
Patent number
7,476,311
Issue date
Jan 13, 2009
WRT International LLC
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Regeneration of chemically treated zeolite
Patent number
7,390,414
Issue date
Jun 24, 2008
WRT International LLC
Charles S. Williams
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Dynamic up-flow zeolite system and method
Patent number
7,326,347
Issue date
Feb 5, 2008
WRT International LLC
Charles S. Williams
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for removal and destruction of ammonia from an aqueous medium
Patent number
7,326,348
Issue date
Feb 5, 2008
WRT International LLC
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus for removal and destruction of ammonia from an aqueous me...
Patent number
7,108,784
Issue date
Sep 19, 2006
WRT International LLC
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Radium Removal from Aqueous Media Using Zeolite Materials
Publication number
20180194643
Publication date
Jul 12, 2018
WRT International LLC.
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Methods for Purging Absorptive Materials Used in the Removal of Con...
Publication number
20090236289
Publication date
Sep 24, 2009
WRT International LLC
Charles S. Williams
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TRANSITION METAL-LOADED ZEOLITE MATERIALS FOR USE IN DRINKING WATER
Publication number
20080128359
Publication date
Jun 5, 2008
John E. Litz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
DYNAMIC UP-FLOW ZEOLITE SYSTEM
Publication number
20080110832
Publication date
May 15, 2008
WRT International LLC
CHARLES S. WILLIAMS
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Systems and methods for removal of contaminates from an aqueous med...
Publication number
20070215552
Publication date
Sep 20, 2007
WRT International LLC.
Charles S. Williams
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Methods and apparatus for removal and destruction of ammonia from a...
Publication number
20050258102
Publication date
Nov 24, 2005
John E. Litz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Dynamic up-flow zeolite system
Publication number
20050236333
Publication date
Oct 27, 2005
Water Remediation Technology LLC
Charles S. Williams
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Regeneration of chemically treated zeolite
Publication number
20050150836
Publication date
Jul 14, 2005
Charles S. Williams
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Arsenic removal from aqueous media using chemically treated zeolite...
Publication number
20030132155
Publication date
Jul 17, 2003
John E. Litz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL