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Inventor

Christopher L. Clarke

Inventor
Vancouver, CA

Overview

2→
Patents
1991–2007
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.

B23Kprimary
B23KSoldering or unsoldering20%
B29CShaping or joining of plastics20%
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. inserts20%
F16JPistons20%
H01FMagnets20%
PatentTitleYear
7,208,711'Dielectric welding methods and apparatus'20075,046,745'Constant volume protective boot'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to CUMMINS ENGINE CO INC (1)· patent assignee history
1991Based in Columbus, IN, US· patent location history
2007Patents assigned to COOLHEAD TECHNOLOGIES INC (1)· patent assignee history
2007Based in Vancouver, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COOLHEAD TECHNOLOGIES INC12007
CUMMINS ENGINE CO INC11991
Locations
LocationPatentsSpan
Vancouver, CA12007
Columbus, IN, US11991