Inventor

Randolph L. Davidson

Inventor

Menasha, WI, US

Overview

8→

Patents

2003–2012

Patent span

Performing operations

Primary field (CPC B)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B29Cprimary

B29CShaping or joining of plastics22%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts16%

B29LIndexing scheme associated with subclass b29c, relating to particular articles16%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers13%

Y10TTechnical subjects covered by former us classification13%

B29BPreparation or pretreatment of the material to be shaped9%

PatentTitleYear

8,158,052'Polypropylene container and process for making the same'2012 7,651,781'Polypropylene container and process for making the same'2010 7,581,942'Stretch rod for a stretch blow molding machine'2009 6,677,013'Transparent multilayer polypropylene container with barrier protection'2004 6,638,461'Hybrid disk-cone extrusion die module'2003 6,638,463'Hybrid disk-cone extrusion die module having a spillover surface surrounded by a planar seal surface'2003 6,638,464'Hybrid disk-cone extrusion die module having a spillover surface surrounding a planar seal surface'2003 6,638,462'Hybrid disk-cone extrusion die assembly'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to PECHINEY EMBALLAGE FLEXIBLE EU (5)· patent assignee history

2003–2012Based in Menasha, WI, US· patent location history

2009–2012Patents assigned to BALL CORP (3)· patent assignee history

2012Patents assigned to CURIE KEVIN JAMES (1)· patent assignee history

2012Patents assigned to DAVIDSON RANDOLPH LEE (1)· patent assignee history

2012Patents assigned to EMRE SAHIN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PECHINEY EMBALLAGE FLEXIBLE EU	5	2003–2004
BALL CORP	3	2009–2012
CURIE KEVIN JAMES	1	2012
DAVIDSON RANDOLPH LEEself	1	2012
EMRE SAHIN	1	2012

Locations

Location	Patents	Span
Menasha, WI, US	8	2003–2012