Inventor

SWIATEK FRANCIS J

US4 patents

⚠️ This page may combine multiple inventors who share the name “SWIATEK FRANCIS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

3M INNOVATIVE PROPERTIES CO

2 patents

US7178676B2Feb 20, 2007

Graded particle-size retention filter medium for fluid filtration unit with improved edge seal

3M INNOVATIVE PROPERTIES CO31 citations90

US7582209B2Sep 1, 2009

Graded particle-size retention filter medium for fluid filtration unit with improved edge seal

3M INNOVATIVE PROPERTIES CO5 citations71

CUNO INC

2 patents

US6939466B2Sep 6, 2005

Graded particle-size retention filter medium for fluid filtration unit with improved edge seal

CUNO INC32 citations90

US6712966B1Mar 30, 2004

Graded particle-size retention filter medium for cell-type filter unit

CUNO INC49 citations89