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John L. Winther
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Orinda, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Barrel-type fish/particle screen with adjustable flow distribution...
Patent number
8,641,892
Issue date
Feb 4, 2014
John L. Winther
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Barrel type fish and/or particulate screen device
Patent number
6,682,651
Issue date
Jan 27, 2004
Blake Andrew Toland
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Pump system providing selective directional flow across fluid barrier
Patent number
4,102,136
Issue date
Jul 25, 1978
John L. Winther
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
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Patent Application
BARREL-TYPE FISH/PARTICLE SCREEN WITH ADJUSTABLE FLOW DISTRIBUTION...
Publication number
20120298568
Publication date
Nov 29, 2012
John L. Winther
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL