Inventor

CHRISTIE ANDREW W

US5 patents

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

BLACK CLAWSON CO

2 patents

US5599097AFeb 4, 1997

Extruder screw for plastic extruders

BLACK CLAWSON CO31 citations88

US5599098AFeb 4, 1997

Extruder screw with multiple flighting

BLACK CLAWSON CO18 citations79

OPTEX PROCESS SOLUTIONS INC

1 patent

US9718216B1Aug 1, 2017

Extruder screw

OPTEX PROCESS SOLUTIONS INC2 citations58

DAVIS STANDARD LLC

1 patent

US7976926B2Jul 12, 2011

Plastic co-extrusion apparatus with selectable polymer flow control and product produced using the apparatus

DAVIS STANDARD LLC0 citations39

CHRISTIE ANDREW W

1 patent

US9796115B1Oct 24, 2017

Extruder screw

CHRISTIE ANDREW W0 citations37