Inventor
KROHN ROY N
US12 patents
⚠️ This page may combine multiple inventors who share the name “KROHN ROY N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRAHAM PACKAGING CO
9 patentsUS6629834B2Oct 7, 2003
Apparatus for making a plastic container and closure combination
GRAHAM PACKAGING CO22 citations90
US6555033B2Apr 29, 2003
Method and apparatus for making a plastic container and closure combination
GRAHAM PACKAGING CO19 citations90
US6673301B2Jan 6, 2004
Extrusion blow-molded squeezable tube-shaped container and method for making same
GRAHAM PACKAGING CO48 citations88
US7316796B2Jan 8, 2008
Center cylinder ejection assist
GRAHAM PACKAGING CO11 citations82
US6709261B2Mar 23, 2004
Multi-parison/dual cavity wheel blowmolds
GRAHAM PACKAGING CO7 citations73
US7464826B2Dec 16, 2008
Hot-fill container base structure
GRAHAM PACKAGING CO3 citations61
US7036692B2May 2, 2006
Dispenser with an integrally molded neck finish
GRAHAM PACKAGING CO6 citations61
US7485253B2Feb 3, 2009
In-mold finished neck on a continuous extrusion blow molder
GRAHAM PACKAGING CO0 citations45
US6957953B2Oct 25, 2005
Reservoir reducing screw tip
GRAHAM PACKAGING CO0 citations40