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Inventor

David Alston Edbury

Inventor
Reading, GB

Overview

8→
Patents
2013–2019
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 8 as inventor

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

E21Bprimary
E21BEarth or rock drilling70%
H01CResistors10%
H05BElectric heating10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
10,415,365Methods and systems for drilling20199,879,490'Methods and systems for drilling'20189,822,595'Methods and systems for drilling'20179,683,418'Methods and systems for picking up a drill bit'20179,470,052'Methods and systems for drilling'20169,129,728'Systems and methods of forming subsurface wellbores'20158,939,233'Methods and systems for drilling'20158,561,720'Methods and systems for drilling'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2019Patents assigned to SHELL OIL CO (7)· patent assignee history
2013–2018Based in Reading, GB· patent location history
2015Patents assigned to EDBURY DAVID ALSTON (1)· patent assignee history
2015Patents assigned to MACDONALD DUNCAN CHARLES (1)· patent assignee history
2019Based in Berkshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OIL CO72013–2019
EDBURY DAVID ALSTONself12015
MACDONALD DUNCAN CHARLES12015
Locations
LocationPatentsSpan
Reading, GB72013–2018
Berkshire, GB12019