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Kent R. Madison
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Echo, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Systems and methods of power generation with aquifer storage and re...
Patent number
12,188,442
Issue date
Jan 7, 2025
3R Valve, LLC
Kent R. Madison
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Systems and methods of power generation with aquifer storage and re...
Patent number
11,536,240
Issue date
Dec 27, 2022
3R Valve, LLC
Kent R. Madison
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Trailer tongue extender
Patent number
D797011
Issue date
Sep 12, 2017
Kent R. Madison
D12 - Transportation
Information
Patent Grant
Trailer jack support
Patent number
9,446,743
Issue date
Sep 20, 2016
Kent R. Madison
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Combined trailer jack and jack stand holder
Patent number
D752311
Issue date
Mar 22, 2016
Kent R. Madison
D34 - Material or article handling equipment
Information
Patent Grant
Trailer jack holder
Patent number
D749288
Issue date
Feb 9, 2016
Kent R. Madison
D34 - Material or article handling equipment
Information
Patent Grant
Trailer jack adaptor and method
Patent number
9,004,520
Issue date
Apr 14, 2015
Kent R. Madison
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Aquifier flow controlling valve assembly and method
Patent number
8,522,887
Issue date
Sep 3, 2013
Kent R. Madison
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Aquifer recharge valve and method
Patent number
7,156,578
Issue date
Jan 2, 2007
Kent R. Madison
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Aquifer recharge valve and method
Patent number
6,811,353
Issue date
Nov 2, 2004
Kent R. Madison
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS OF POWER GENERATION WITH AQUIFER STORAGE AND RE...
Publication number
20230101657
Publication date
Mar 30, 2023
3R Valve, LLC
Kent R. Madison
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
TRAILER JACK SUPPORT
Publication number
20150115128
Publication date
Apr 30, 2015
Kent R. Madison
B60 - VEHICLES IN GENERAL
Information
Patent Application
AQUIFIER FLOW CONTROLLING VALVE ASSEMBLY AND METHOD
Publication number
20130327547
Publication date
Dec 12, 2013
Kent R. Madison
F24 - HEATING RANGES VENTILATING
Information
Patent Application
TRAILER JACK ADAPTOR AND METHOD
Publication number
20130285349
Publication date
Oct 31, 2013
Kent R. Madison
B60 - VEHICLES IN GENERAL
Information
Patent Application
Aquifer recharge valve and method
Publication number
20060127184
Publication date
Jun 15, 2006
Kent R. Madison
E21 - EARTH DRILLING MINING
Information
Patent Application
Aquifer recharge valve and method
Publication number
20050039907
Publication date
Feb 24, 2005
Kent R. Madison
E21 - EARTH DRILLING MINING
Information
Patent Application
Aquifer recharge valve and method
Publication number
20030180094
Publication date
Sep 25, 2003
Kent R. Madison
E21 - EARTH DRILLING MINING