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Inventor

Christopher A Hall

Inventor
Cypress, TX, US

Overview

3→
Patents
2013–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
B22CFoundry moulding17%
B23DPlaning17%
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 sintering17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,758,967Investment casting pattern20208,632,047'Shear blade geometry and method'20148,439,327'Shear block and blade interface and method'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2014Patents assigned to HYDRIL USA MFG LLC (2)· patent assignee history
2013–2014Patents assigned to YADAV SEEMANT (2)· patent assignee history
2013Patents assigned to HALL CHRISTOPHER A (1)· patent assignee history
2013–2014Based in Cypress, TX, US· patent location history
2014Patents assigned to HALL CHRISTOPHER ANDREW (1)· patent assignee history
2014Patents assigned to JUDGE ROBERT ARNOLD (1)· patent assignee history
2020Based in Exminster, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HYDRIL USA MFG LLC22013–2014
YADAV SEEMANT22013–2014
HALL CHRISTOPHER Aself12013
HALL CHRISTOPHER ANDREWself12014
JUDGE ROBERT ARNOLD12014
Locations
LocationPatentsSpan
Cypress, Texas, US22013–2014
Exminster, GB12020