Inventor
HOWELL CLIFTON
US5 patents
⚠️ This page may combine multiple inventors who share the name “HOWELL CLIFTON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLINOIS TOOL WORKS
4 patentsUS11214416B2Jan 4, 2022
Bubble valve for flexible packaging
ILLINOIS TOOL WORKS4 citations71
US12415653B2Sep 16, 2025
Reclosable bag having a repulpable zipper
ILLINOIS TOOL WORKS2 citations70
US11858693B2Jan 2, 2024
Hinged zipper assembly of a resealable enclosure
ILLINOIS TOOL WORKS0 citations44
US9714119B2Jul 25, 2017
End clip with snap on and weld installation
ILLINOIS TOOL WORKS0 citations39