Inventor

BARKER KEITH

US9 patents

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

GRAHAM PACKAGING CO LP

4 patents

US7651644B2Jan 26, 2010

Controlling delivery of polymer material in a sequential injection molding process

GRAHAM PACKAGING CO LP14 citations90

US7572123B2Aug 11, 2009

Apparatus for stretching and crystallizing the neck finish of a molded plastic article

GRAHAM PACKAGING CO LP10 citations82

US7485252B2Feb 3, 2009

Method and apparatus for crystallizing the neck finish of a molded plastic article

GRAHAM PACKAGING CO LP1 citations62

US7892462B2Feb 22, 2011

Controlling delivery of polymer material in a sequential injection molding process

GRAHAM PACKAGING CO LP4 citations60

SCHMIDT STEVEN L

2 patents

US8097662B2Jan 17, 2012

Enhanced oxygen-scavenging polymers, and packaging made therefrom

SCHMIDT STEVEN L17 citations89

US8309622B2Nov 13, 2012

Enhanced oxygen-scavenging polymers, and packaging made therefrom

SCHMIDT STEVEN L10 citations80

NAHILL THOMAS E

1 patent

US8118581B2Feb 21, 2012

Injection molding apparatus for delivering multiple shots of materials to a plurality of mold cavities

NAHILL THOMAS E1 citations58

BARKER KEITH

1 patent

US8226397B2Jul 24, 2012

Method and apparatus for stretching and crystallizing the neck finish of a molded plastic article

BARKER KEITH1 citations55

GRAHAM PACKAGING CO

1 patent

US8012396B2Sep 6, 2011

Method and apparatus for stretching and crystallizing the neck finish of a molded plastic article

GRAHAM PACKAGING CO0 citations50