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Inventor

Martin Urquhart

Inventor
Aberdeenshire, GB

Overview

1→
Patents
2013
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
8,474,538'Hydraulically actuated safety lock ring'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to URQUHART MARTIN (1)· patent assignee history
2013Patents assigned to VETCO GRAY INC (1)· patent assignee history
2013Patents assigned to WALLACE DAVID ANDREW (1)· patent assignee history
2013Based in Aberdeenshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
URQUHART MARTINself12013
VETCO GRAY INC12013
WALLACE DAVID ANDREW12013
Locations
LocationPatentsSpan
Aberdeenshire, GB12013