The Marconi Company Limited
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 05, 1993 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 3,382 Total Citation Count
- Feb 13, 1975 Earliest Filing
- 148 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5158820 Signal carrier supports with apertured dielectric layerExpiredMay 31, 90Oct 27, 92[H01P, B32B]
5134485 Television transmitter having amplification modules in which one component of r.f. signal is obtained by modulating another component and the r.f. signal components are combined after amplificationExpiredSep 27, 90Jul 28, 92[H04N]
5124665 Circuit for reducing distortion produced by an r.f. power amplifierExpiredJan 18, 91Jun 23, 92[H03F]
5121077 Circuit for reducing distortion produced by an r.f. power amplifierExpiredJan 30, 91Jun 09, 92[H03F]
5119107 Planar microwave antenna slot array with common resonant back cavityExpiredFeb 21, 90Jun 02, 92[H01Q]
5107272 Radar system employing injection locked transmitter stageExpiredNov 27, 89Apr 21, 92[H03L, H03B, G01S]
5043683 Waveguide to microstripline polarization converter having a coupling patchExpiredJun 21, 89Aug 27, 91[H01P]
5036335 Tapered slot antenna with balun slot line and stripline feedExpiredMay 17, 90Jul 30, 91[H01Q]
5025264 Circularly polarized antenna with resonant aperture in ground plane and probe feedExpiredFeb 21, 90Jun 18, 91[H01Q]
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