Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Piush Soni0
Date of Patent
July 5, 2022
0Patent Application Number
173845590
Date Filed
July 23, 2021
0Patent Citations Received
Patent Primary Examiner
A particle filtration system that includes first, second and third filter segments that each include several first, second and third filters. Each first, second and third filter includes a fibrous layer sandwiched between a pair of surface or outer layers. The range of pore sizes of each first, second and third filter varies according to the density of the surface layers relative to the fibrous layers.
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