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Inventor

John Durban

Inventor
Colchester, GB

Overview

4→
Patents
1991–2015
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification29%
G02BOptical elements, systems or apparatus14%
H04BTransmission14%
H04JMultiplex communication14%
F16KValves7%
H01QAntennas, i.e. radio aerials7%
H01RElectrically-conductive connections7%
H05KPrinted circuits7%
PatentTitleYear
9,184,848'Optical repeater amplifier insertion and removal technology'20159,094,127'Optical repeater amplifier insertion and removal technology'20156,085,769'Telecommunications electronics enclosure drain valve'20005,050,295'Multilayer through hole connections'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to STC PLC (1)· patent assignee history
1991Based in Epping, GB· patent location history
2000Patents assigned to NORTHERN TELECOM LTD (1)· patent assignee history
2000Based in Boxted, GB· patent location history
2015Patents assigned to XTERA COMMUNICATIONS INC (2)· patent assignee history
2015Based in Colchester, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XTERA COMMUNICATIONS INC22015
NORTHERN TELECOM LTD12000
STC PLC11991
Locations
LocationPatentsSpan
Colchester, GB22015
Boxted, GB12000
Epping, GB11991