Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sorin Gabriel Teodorescu0
Date of Patent
March 29, 2022
0Patent Application Number
163920660
Date Filed
April 23, 2019
0Patent Citations Received
Patent Primary Examiner
CPC Code
A filter sub which includes a tubular sub housing and a strainer insert. The strainer insert has (i) a tubular strainer body, (ii) a plurality of helical grooves formed through a sidewall of the strainer body, and (iii) at least one of the helical grooves extending at least 360° around the strainer body.
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