Inventor

Thomas A. Fraser

Inventor
Spring, TX, US

Overview

14→
Patents
1983–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 14 as inventor

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

E21Bprimary
E21BEarth or rock drilling46%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
Y10TTechnical subjects covered by former us classification19%
A47HFurnishings for windows or doors4%
B63BShips or other waterborne vessels4%
F16JPistons4%
F16LPipes4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2000Based in Ventura, CA, US· patent location history
1987–2021Patents assigned to VETCO GRAY INC (8)· patent assignee history
1991Based in Old Rectory, GB· patent location history
2007–2013Based in Spring, TX, US· patent location history
2013Patents assigned to FRASER THOMAS A (3)· patent assignee history
2013Patents assigned to BP CORP NORTH AMERICA INC (2)· patent assignee history
2013Patents assigned to GAMBLE JAMIE C (2)· patent assignee history
2013Patents assigned to LANDTHRIP JOHN G (2)· patent assignee history
2021Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VETCO GRAY INC81987–2021
FRASER THOMAS Aself32013
BP CORP NORTH AMERICA INC22013
GAMBLE JAMIE C22013
LANDTHRIP JOHN G22013
Locations
LocationPatentsSpan
Spring, Texas, US82007–2013
Ventura, California, US41983–2000
Houston, Texas, US12021
Old Rectory, GB11991