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Inventor

CHRISTOPHER J HUMMEL

Inventor
US

Overview

2→
Patents
2023–2025
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B29Cprimary
B29CShaping or joining of plastics14%
B29DProducing particular articles from plastics or from substances in a plastic state14%
B29LIndexing scheme associated with subclass b29c, relating to particular articles14%
B30BPresses in general14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
F16LPipes14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
12,403,641Method and apparatus for forming high strength products202511,833,726Micro-layer tubular extrusion products2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2025Patents assigned to GUILL TOOL & ENG CO INC (2)· patent assignee history
2023–2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUILL TOOL & ENG CO INC22023–2025
Locations
LocationPatentsSpan
US22023–2025