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Maximus G. St. John
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Cambridge, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hybrid desalination systems and associated methods
Patent number
12,023,608
Issue date
Jul 2, 2024
Gradiant Corporation
Steven Lam
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Liquid solution concentration system comprising isolated subsystem...
Patent number
11,629,072
Issue date
Apr 18, 2023
Gradiant Corporation
Richard Stover
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Turbines and associated components, systems and methods
Patent number
11,371,355
Issue date
Jun 28, 2022
Gradiant Corporation
Prakash Narayan Govindan
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Multi-stage bubble column humidification and dehumidification
Patent number
11,161,755
Issue date
Nov 2, 2021
Massachusetts Institute of Technology
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Selective scaling in desalination water treatment systems and assoc...
Patent number
10,696,564
Issue date
Jun 30, 2020
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hybrid desalination systems and associated methods
Patent number
10,689,264
Issue date
Jun 23, 2020
Gradiant Corporation
Maximus G. St. John
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Feedback control optimization of counter-flow simultaneous heat and...
Patent number
10,688,409
Issue date
Jun 23, 2020
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Osmotic desalination methods and associated systems
Patent number
10,518,221
Issue date
Dec 31, 2019
Gradiant Corporation
Looh Tchuin Choong
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Production of ultra-high-density brines using transiently-operated...
Patent number
10,479,701
Issue date
Nov 19, 2019
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Scale removal in humidification-dehumidification systems
Patent number
10,345,058
Issue date
Jul 9, 2019
Gradiant Corporation
Maximus G. St. John
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Methods and systems for producing treated brines for desalination
Patent number
10,308,526
Issue date
Jun 4, 2019
Gradiant Corporation
Maximus G. St. John
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Desalination systems and associated methods
Patent number
10,308,537
Issue date
Jun 4, 2019
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Selective retention of multivalent ions
Patent number
10,301,198
Issue date
May 28, 2019
Gradiant Corporation
Maximus G. St. John
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems including a condensing apparatus such as a bubble column co...
Patent number
10,286,335
Issue date
May 14, 2019
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Production of multivalent ion-rich process streams using multi-stag...
Patent number
10,245,555
Issue date
Apr 2, 2019
Gradiant Corporation
Maximus G. St. John
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Feedback control optimization of counter-flow simultaneous heat and...
Patent number
10,239,765
Issue date
Mar 26, 2019
Gradiant Corporation
Prakash Narayan Govindan
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Transiently-operated desalination systems and associated methods
Patent number
10,179,296
Issue date
Jan 15, 2019
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Production of ultra-high-density brines
Patent number
10,167,218
Issue date
Jan 1, 2019
Gradiant Corporation
Maximus G. St. John
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Selective scaling in desalination water treatment systems and assoc...
Patent number
10,144,654
Issue date
Dec 4, 2018
Gradiant Corporation
Prakash Narayan Govindan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Systems including an apparatus comprising both a humidification reg...
Patent number
10,143,936
Issue date
Dec 4, 2018
Gradiant Corporation
Prakash Narayan Govindan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Systems including an apparatus comprising both a humidification reg...
Patent number
10,143,935
Issue date
Dec 4, 2018
Gradiant Corporation
Prakash Narayan Govindan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Multi-stage bubble column humidification and dehumidification
Patent number
10,053,373
Issue date
Aug 21, 2018
Massachusetts Institute of Technology
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Production of ultra-high-density brines using transiently-operated...
Patent number
9,981,860
Issue date
May 29, 2018
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water treatment systems and associated methods
Patent number
9,969,638
Issue date
May 15, 2018
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Ion sequestration for scale prevention
Patent number
9,957,180
Issue date
May 1, 2018
Massachusetts Institute of Technology
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Multi-stage bubble column humidifier
Patent number
9,790,102
Issue date
Oct 17, 2017
Massachusetts Institute of Technology
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems including a condensing apparatus such as a bubble column co...
Patent number
9,700,811
Issue date
Jul 11, 2017
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Transiently-operated desalination systems with heat recovery and as...
Patent number
9,617,169
Issue date
Apr 11, 2017
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Ion sequestration for scale prevention in high-recovery desalinatio...
Patent number
9,617,179
Issue date
Apr 11, 2017
Massachusetts Institute of Technology
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Feedback control optimization of counter-flow simultaneous heat and...
Patent number
9,579,590
Issue date
Feb 28, 2017
Gradiant Corporation
Prakash Narayan Govindan
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS INCLUDING A CONDENSING APPARATUS SUCH AS A BUBBLE COLUMN CO...
Publication number
20230415068
Publication date
Dec 28, 2023
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
TURBINES AND ASSOCIATED COMPONENTS, SYSTEMS AND METHODS
Publication number
20220341328
Publication date
Oct 27, 2022
Gradiant Corporation
Prakash Narayan Govindan
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
HYBRID DESALINATION SYSTEMS AND ASSOCIATED METHODS
Publication number
20220168664
Publication date
Jun 2, 2022
Gradiant Corporation
Steven Lam
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Bubble-Column-Humidification Apparatus and Method
Publication number
20220017384
Publication date
Jan 20, 2022
Massachusetts Institute of Technology
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TURBINES AND ASSOCIATED COMPONENTS, SYSTEMS AND METHODS
Publication number
20210363887
Publication date
Nov 25, 2021
Gradiant Corporation
Prakash Narayan Govindan
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
LIQUID SOLUTION CONCENTRATION SYSTEM COMPRISING ISOLATED SUBSYSTEM...
Publication number
20210179452
Publication date
Jun 17, 2021
Gradiant Corporation
Richard Stover
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Selective scaling in desalination water treatment systems and assoc...
Publication number
20190106334
Publication date
Apr 11, 2019
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
HYBRID DESALINATION SYSTEMS AND ASSOCIATED METHODS
Publication number
20190084842
Publication date
Mar 21, 2019
Gradiant Corporation
Maximus G. St. John
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FORMATION OF SOLID SALTS USING HIGH GAS FLOW VELOCITIES IN HUMIDIFI...
Publication number
20190022550
Publication date
Jan 24, 2019
Gradiant Corporation
Steven Lam
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
OSMOTIC DESALINATION METHODS AND ASSOCIATED SYSTEMS
Publication number
20190009218
Publication date
Jan 10, 2019
Gradiant Corporation
Looh Tchuin Choong
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PRODUCTION OF ULTRA-HIGH-DENSITY BRINES USING TRANSIENTLY-OPERATED...
Publication number
20190002306
Publication date
Jan 3, 2019
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Multi-Stage Bubble Column Humidification and Dehumidification
Publication number
20180327278
Publication date
Nov 15, 2018
Massachusetts Institute of Technology
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SELECTIVE RETENTION OF MULTIVALENT IONS
Publication number
20180244545
Publication date
Aug 30, 2018
Gradiant Corporation
Maximus G. St. John
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
PRODUCTION OF MULTIVALENT ION-RICH PROCESS STREAMS USING MULTI-STAG...
Publication number
20180236406
Publication date
Aug 23, 2018
Gradiant Corporation
Maximus G. St. John
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PRODUCTION OF MULTIVALENT ION-RICH STREAMS USING HUMIDIFICATION-DEH...
Publication number
20180236372
Publication date
Aug 23, 2018
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HUMIDIFICATION-DEHUMIDIFICATION SYSTEMS AND METHODS AT LOW TOP BRIN...
Publication number
20170334736
Publication date
Nov 23, 2017
Gradiant Corporation
Steven Lam
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTROL SYSTEM AND METHOD FOR MULTIPLE PARALLEL DESALINATION SYSTEMS
Publication number
20170334737
Publication date
Nov 23, 2017
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PRODUCTION OF ULTRA-HIGH-DENSITY BRINES USING TRANSIENTLY-OPERATED...
Publication number
20170203977
Publication date
Jul 20, 2017
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Ion Sequestration for Scale Prevention
Publication number
20170174543
Publication date
Jun 22, 2017
Massachusetts Institute of Technology
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEMS AND METHODS FOR TREATMENT OF WATER, SUCH AS OILFIELD WASTEW...
Publication number
20170144906
Publication date
May 25, 2017
Gradiant Corporation
Jonn-Ross Andrews
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
FEEDBACK CONTROL OPTIMIZATION OF COUNTER-FLOW SIMULTANEOUS HEAT AND...
Publication number
20170113947
Publication date
Apr 27, 2017
Gradiant Corporation
Prakash Narayan Govindan
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
MOBILE HUMIDIFICATION-DEHUMIDIFICATION DESALINATION SYSTEMS AND MET...
Publication number
20160375375
Publication date
Dec 29, 2016
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TRANSIENTLY-OPERATED DESALINATION SYSTEMS AND ASSOCIATED METHODS
Publication number
20160339354
Publication date
Nov 24, 2016
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS INCLUDING AN APPARATUS COMPRISING BOTH A HUMIDIFICATION REG...
Publication number
20160339357
Publication date
Nov 24, 2016
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS INCLUDING AN APPARATUS COMPRISING BOTH A HUMIDIFICATION REG...
Publication number
20160339356
Publication date
Nov 24, 2016
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
TRANSIENTLY-OPERATED DESALINATION SYSTEMS WITH HEAT RECOVERY AND AS...
Publication number
20160340208
Publication date
Nov 24, 2016
Gradiant Corporation
Prakash Narayan Govindan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PRODUCTION OF ULTRA-HIGH-DENSITY BRINES
Publication number
20160244349
Publication date
Aug 25, 2016
Gradiant Corporation
Maximus G. St. John
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS AND SYSTEMS FOR PRODUCING TREATED BRINES
Publication number
20160228795
Publication date
Aug 11, 2016
Gradiant Corporation
Maximus G. St. John
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHODS AND SYSTEMS FOR PRODUCING TREATED BRINES FOR DESALINATION
Publication number
20160229705
Publication date
Aug 11, 2016
Gradiant Corporation
Maximus G. St. John
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SELECTIVE SCALING IN DESALINATION WATER TREATMENT SYSTEMS AND ASSOC...
Publication number
20160137526
Publication date
May 19, 2016
Gradiant Corporation
Prakash Narayan Govindan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE