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Inventor

David J. Gunton

Inventor
Stakeford, GB

Overview

10→
Patents
1977–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

G01Sprimary
G01SRadio direction-finding29%
H01QAntennas, i.e. radio aerials29%
G01VGeophysics14%
H01PWaveguides14%
H03DDemodulation or transference of modulation from one carrier to another7%
H03HImpedance networks, e.g. resonant circuits7%
PatentTitleYear
8,253,636'Improvements relating to antenna arrays'20125,535,445'Mixer circuit'19964,967,199'Ground probing radar method and apparatus'19904,812,850'Method and apparatus for combining waveforms'19894,809,008'Broadband microstrip antenna'19894,746,867'Antenna assembly for microwave reflection survey equipment'19884,728,897'Microwave reflection survey technique for determining depth and orientation of buried objects'19884,353,043'Surface acoustic wave devices and systems including such devices'19824,178,568'Stripline coupler having comb electrode in coupling region'19794,027,254'Directional coupler having interdigital comb electrodes'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1996Patents assigned to SECR DEFENCE BRIT (3)· patent assignee history
1977–1982Based in West Malvern, GB· patent location history
1988Patents assigned to BRITISH GAS CORP (2)· patent assignee history
1988–1996Based in Stakeford, GB· patent location history
1989–1990Patents assigned to BRITISH GAS PLC (3)· patent assignee history
2012Patents assigned to BAE SYSTEMS PLC (1)· patent assignee history
2012Patents assigned to GARDNER PETER (1)· patent assignee history
2012Based in Colchester, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH GAS PLC31989–1990
SECR DEFENCE BRIT31977–1996
BRITISH GAS CORP21988
BAE SYSTEMS PLC12012
GARDNER PETER12012
Locations
LocationPatentsSpan
Stakeford, GB61988–1996
West Malvern, GB31977–1982
Colchester, GB12012