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Inventor

David Mark Wilcox

Inventor
Chelmsford, GB

Overview

8→
Patents
1976–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps50%
G06FElectric digital data processing8%
H01PWaveguides8%
H01RElectrically-conductive connections8%
H05KPrinted circuits8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
7,202,605'Electron beam tube apparatus having a common output combining cavity'20076,913,480'Connector for making connection with mating interface'20056,465,958'Electron beam tubes'20026,349,043'Apparatus for reducing electromagnetic emissions'20025,821,693'Electron beam tubes having a unitary envelope having stepped inner surface'19985,239,272'Electron beam tube arrangements having primary and secondary output cavities'19934,119,880'Electronic valves'19783,970,768'Grid electrodes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Patents assigned to ENGLISH ELECTRIC VALVE CO LTD (2)· patent assignee history
1976–2007Based in Chelmsford, GB· patent location history
1993–2005Patents assigned to EEV LTD (4)· patent assignee history
2002Patents assigned to DELL PRODUCTS LP (1)· patent assignee history
2002Based in Essex, GB· patent location history
2002Based in Austin, TX, US· patent location history
2007Patents assigned to E2V TECH UK LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EEV LTD41993–2005
ENGLISH ELECTRIC VALVE CO LTD21976–1978
DELL PRODUCTS LP12002
E2V TECH UK LTD12007
Locations
LocationPatentsSpan
Chelmsford, GB61976–2007
Essex, GB12002
Austin, Texas, US12002