4 patents
Design
Regenerative media filter with view window
12 Dec 23
Krishna Kamath
Filed: 14 Jul 21
Design
Regenerative media filter
24 Oct 23
Krishna Kamath
Filed: 1 Jul 20
Design
Hollow chain link pin
28 Dec 20
Krishna Kamath, Li-Shiang Liang, Donald W. Hindman
Filed: 20 Feb 17
Design
One piece side rail cover shifter rail for filter press
29 Jun 20
Jeffrey Scott Chrispell, Robert Ruurd Bosgraaf
Filed: 11 Sep 16
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