Inventor
HOWELL CLIFTON R
US9 patents
⚠️ This page may combine multiple inventors who share the name “HOWELL CLIFTON R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLINOIS TOOL WORKS
6 patentsUS7621105B2Nov 24, 2009
Method of producing high burst zipper assemblies for large reclosable packages
ILLINOIS TOOL WORKS12 citations92
US7882684B2Feb 8, 2011
Method of producing high burst zipper assemblies for large reclosable packages
ILLINOIS TOOL WORKS3 citations73
US7909750B2Mar 22, 2011
Method and apparatus for feeding large packages or bags into a reclosable zipper profile attaching device
ILLINOIS TOOL WORKS6 citations57
US12396525B2Aug 26, 2025
Zipper assemblies having post-consumer recyclate material
ILLINOIS TOOL WORKS0 citations44
US12207709B2Jan 28, 2025
Zipper assembly for reclosable enclosure
ILLINOIS TOOL WORKS0 citations39
US7674220B2Mar 9, 2010
Method and apparatus for applying hot-melt adhesive to zipper flanges and applying zipper to packages
ILLINOIS TOOL WORKS0 citations36