E2V TECHNOLOGIES (UK) LIMITED
Patent Owner
Stats
- 24 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- Mar 16, 2017 most recent publication
Details
- 24 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 596 Total Citation Count
- May 30, 1979 Earliest Filing
- 33 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5990621 Electron beam tubes including ceramic material for realizing rf chokesJul 14, 97Nov 23, 99[H01J]
5872428 Cavity coupling means rotatable in response to linear movement of an actuatorJan 10, 97Feb 16, 99[H01J]
5821693 Electron beam tubes having a unitary envelope having stepped inner surfaceAug 03, 95Oct 13, 98[H01J]
5796322 Apparatus to seal against leakage of high frequency radiation through a slotNov 22, 96Aug 18, 98[H01P]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6614158 Electron gun arrangements having closely spaced cathode and electrode and a vacuum sealExpiredMay 07, 99Sep 02, 03[H01J]
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