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Inventor

John J. Cantrell

Inventor
Camas, WA, US

Overview

5→
Patents
2010–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B41Jprimary
B41JTypewriters56%
B29CShaping or joining of plastics11%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering11%
F16HGearing11%
H04NPictorial communication, e.g. television11%
PatentTitleYear
10,882,324Printer valves202110,527,131Selectable drive printing device202010,293,626Selectable drive printing device20198,246,145'Apparatus for clearing an ink drop stalagmite in an inkjet printer'20127,645,006'Printhead lift'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2021Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (5)· patent assignee history
2010–2020Based in Camas, WA, US· patent location history
2012Patents assigned to CANTRELL JOHN J (1)· patent assignee history
2012Patents assigned to HUNG HAI-LUNG (1)· patent assignee history
2012Patents assigned to KELLY KIERAN B (1)· patent assignee history
2012Patents assigned to LAW KOK LEONG (1)· patent assignee history
2021Based in Vancouver, WA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD DEVELOPMENT CO52010–2021
CANTRELL JOHN Jself12012
HUNG HAI-LUNG12012
KELLY KIERAN B12012
LAW KOK LEONG12012
Locations
LocationPatentsSpan
Camas, Washington, US42010–2020
Vancouver, Washington, US12021