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Daniel J. Simpson
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Rio Vista, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Desalination system using a filter press
Patent number
9,624,112
Issue date
Apr 18, 2017
Daniel J. Simpson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Bitumen extraction and dewatering in a filter press
Patent number
9,303,211
Issue date
Apr 5, 2016
Daniel J. Simpson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Filter press with side feed ports
Patent number
9,186,605
Issue date
Nov 17, 2015
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Dewatering of drilling mud using a filter press
Patent number
9,138,668
Issue date
Sep 22, 2015
Daniel J. Simpson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Desalination method using a filter press
Patent number
8,580,084
Issue date
Nov 12, 2013
Daniel J. Simpson
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Filter press with integrated radio frequency heating
Patent number
8,535,542
Issue date
Sep 17, 2013
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Filter-Press with Integrated RF Heating
Publication number
20160206976
Publication date
Jul 21, 2016
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEWATERING OF DRILLING MUD USING A FILTER PRESS
Publication number
20160107105
Publication date
Apr 21, 2016
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Desalination System Using a Filter Press
Publication number
20140166466
Publication date
Jun 19, 2014
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER PRESS WITH SIDE FEED PORTS
Publication number
20140110355
Publication date
Apr 24, 2014
DES, Inc.
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
BITUMEN EXTRACTION AND DEWATERING IN A FILTER PRESS
Publication number
20120318718
Publication date
Dec 20, 2012
Daniel J. Simpson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
DEWATERING OF DRILLING MUD USING A FILTER PRESS
Publication number
20110203999
Publication date
Aug 25, 2011
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DESALINATION METHOD USING FILTER PRESS
Publication number
20110186417
Publication date
Aug 4, 2011
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filter press with integrated radio frequency heating
Publication number
20100116755
Publication date
May 13, 2010
Daniel J. Simpson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
VACUUM DRYING DIAPHRAGM FILTER PRESS PLATES
Publication number
20010021428
Publication date
Sep 13, 2001
DAN SIMPSON
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL