Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ron Keren0
Date of Patent
March 8, 2011
0Patent Application Number
121273240
Date Filed
May 27, 2008
0Patent Primary Examiner
Patent abstract
An irrigation system includes an activator that increases or decreases its weight respectively in response to an increase or decrease of pressure in the system. The activator biases a valve that controls the fluid pressure in the system.
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