Assignee
ENGLISH ELECTRIC VALVE CO LTD
GB·123 granted patents·833 citations·filing 1974–1993
Top patents by PatentIndex Score
123 records- 0193US4498181ALaser arrangementsENGLISH ELECTRIC VALVE CO LTD·Filed 1983·Granted Feb 5, 1985·49 cites·6 claims
- 0293US4099198APhotocathodesENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Jul 4, 1978·46 cites·9 claims
- 0384US4698546AApparatus for forming electron beamsENGLISH ELECTRIC VALVE CO LTD·Filed 1984·Granted Oct 6, 1987·31 cites·63 claims
- 0481US4243986ADisplay arrangementsENGLISH ELECTRIC VALVE CO LTD·Filed 1979·Granted Jan 6, 1981·19 cites·6 claims
- 0578US4822465AHydrogen sulphide sensorENGLISH ELECTRIC VALVE CO LTD·Filed 1987·Granted Apr 18, 1989·42 cites·11 claims
- 0674US4060823AElectron-emissive semiconductor devicesENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Nov 29, 1977·17 cites·7 claims
- 0773US4518932ACoaxial magnetron having cavity walls vibrated by tuning forkENGLISH ELECTRIC VALVE CO LTD·Filed 1982·Granted May 21, 1985·16 cites·21 claims
- 0870US4072467ACombustible gas detectorsENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Feb 7, 1978·21 cites·9 claims
- 0968US4563614APhotocathode having fiber optic faceplate containing glass having a low annealing temperatureENGLISH ELECTRIC VALVE CO LTD·Filed 1985·Granted Jan 7, 1986·15 cites·8 claims
- 1067US4374325AImage intensifier arrangement with an in situ formed output filterENGLISH ELECTRIC VALVE CO LTD·Filed 1980·Granted Feb 15, 1983·23 cites·5 claims
- 1165US4774537AIris or shutter arrangementsENGLISH ELECTRIC VALVE CO LTD·Filed 1986·Granted Sep 27, 1988·30 cites·16 claims
- 1264US4123225ACombustible gas detectorsENGLISH ELECTRIC VALVE CO LTD·Filed 1977·Granted Oct 31, 1978·19 cites·17 claims
- 1363US4646140ATelevision camerasENGLISH ELECTRIC VALVE CO LTD·Filed 1985·Granted Feb 24, 1987·25 cites·7 claims
- 1463US4619041AMethod for manufacturing coupled cavity travelling wave tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1983·Granted Oct 28, 1986·12 cites·21 claims
- 1563US4246228ACombustible gas detectorsENGLISH ELECTRIC VALVE CO LTD·Filed 1978·Granted Jan 20, 1981·19 cites·12 claims
- 1663US4227210ARadiation shuttersENGLISH ELECTRIC VALVE CO LTD·Filed 1978·Granted Oct 7, 1980·13 cites·11 claims
- 1761US4387322ADisplay arrangementsENGLISH ELECTRIC VALVE CO LTD·Filed 1980·Granted Jun 7, 1983·10 cites·6 claims
- 1860US4748377ATravelling wave tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1986·Granted May 31, 1988·12 cites·20 claims
- 1959US4825446ALaser apparatus having cathode bore directing electron beam onto anodeENGLISH ELECTRIC VALVE CO LTD·Filed 1987·Granted Apr 25, 1989·13 cites·23 claims
- 2057US4323811AStreaking image tube with closely spaced photocathode, suppressor mesh, and accelerator meshENGLISH ELECTRIC VALVE CO LTD·Filed 1979·Granted Apr 6, 1982·10 cites·7 claims
- 2157US4311968AMagnetron having cavity wall vibrated by tuning forkENGLISH ELECTRIC VALVE CO LTD·Filed 1979·Granted Jan 19, 1982·8 cites·10 claims
- 2256US4835616AMethod for operating an image sensor having an integration period uncoordinated with its frame periodENGLISH ELECTRIC VALVE CO LTD·Filed 1987·Granted May 30, 1989·14 cites·8 claims
- 2355US4380717AMagnetronsENGLISH ELECTRIC VALVE CO LTD·Filed 1981·Granted Apr 19, 1983·8 cites·13 claims
- 2454US4896215AImaging apparatus with flexible interface for controlling different image sensor typesENGLISH ELECTRIC VALVE CO LTD·Filed 1988·Granted Jan 23, 1990·12 cites·14 claims
- 2554US4831341AMagnetron with tuning member moveable by passing current through itENGLISH ELECTRIC VALVE CO LTD·Filed 1988·Granted May 16, 1989·8 cites·10 claims
- 2654US4057748ATravelling wave tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Nov 8, 1977·8 cites·9 claims
- 2753US4805180ADischarge tube apparatusENGLISH ELECTRIC VALVE CO LTD·Filed 1986·Granted Feb 14, 1989·8 cites·29 claims
- 2851US4099133AKlystron amplifiersENGLISH ELECTRIC VALVE CO LTD·Filed 1977·Granted Jul 4, 1978·6 cites·22 claims
- 2950US4731650ASpatial characteristic determinationENGLISH ELECTRIC VALVE CO LTD·Filed 1986·Granted Mar 15, 1988·12 cites·9 claims
- 3050US4072877ATravelling wave tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Feb 7, 1978·6 cites·8 claims
- 3149US4746833ACoupled cavity travelling wave tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1986·Granted May 24, 1988·8 cites·21 claims
- 3249US4573006AApparatus for feeding alternate polarity pulses to a loadENGLISH ELECTRIC VALVE CO LTD·Filed 1983·Granted Feb 25, 1986·8 cites·12 claims
- 3349US4115746AMultipactor discharge tuned resonant cavity devicesENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Sep 19, 1978·6 cites·7 claims
- 3448US4306178ADisplay arrangementsENGLISH ELECTRIC VALVE CO LTD·Filed 1979·Granted Dec 15, 1981·5 cites·2 claims
- 3548US4119880AElectronic valvesENGLISH ELECTRIC VALVE CO LTD·Filed 1977·Granted Oct 10, 1978·7 cites·14 claims
- 3647US3946232APyroelectric camera tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1974·Granted Mar 23, 1976·5 cites·18 claims
- 3746US4658181ATravelling wave tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1984·Granted Apr 14, 1987·5 cites·17 claims
- 3846US4623882AFluorescent display arrangement having field electrode adjacent cathodeENGLISH ELECTRIC VALVE CO LTD·Filed 1983·Granted Nov 18, 1986·5 cites·11 claims
- 3946US4428025ACooling arrangementsENGLISH ELECTRIC VALVE CO LTD·Filed 1981·Granted Jan 24, 1984·6 cites·13 claims
- 4046US4356426AThyratron having anode with low work function materialENGLISH ELECTRIC VALVE CO LTD·Filed 1980·Granted Oct 26, 1982·5 cites·4 claims
- 4144US4935666ASpark gap devicesENGLISH ELECTRIC VALVE CO LTD·Filed 1988·Granted Jun 19, 1990·15 cites·18 claims
- 4244US4613786AImage intensifiers and method of producing sameENGLISH ELECTRIC VALVE CO LTD·Filed 1984·Granted Sep 23, 1986·8 cites·14 claims
- 4344US4383169ALuminescent screen devicesENGLISH ELECTRIC VALVE CO LTD·Filed 1979·Granted May 10, 1983·5 cites·6 claims
- 4444US4155026AMesh electrodesENGLISH ELECTRIC VALVE CO LTD·Filed 1977·Granted May 15, 1979·4 cites·10 claims
- 4543US4794614ADischarge tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1986·Granted Dec 27, 1988·5 cites·18 claims
- 4643US4365185AMagnetron having three alternatingly connected strapsENGLISH ELECTRIC VALVE CO LTD·Filed 1980·Granted Dec 21, 1982·6 cites·3 claims
- 4743US4100457AVelocity modulation tubes employing harmonic bunchingENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Jul 11, 1978·6 cites·3 claims
- 4843US4041349ATravelling wave tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Aug 9, 1977·5 cites·4 claims
- 4942US4406975ALampsENGLISH ELECTRIC VALVE CO LTD·Filed 1980·Granted Sep 27, 1983·4 cites·5 claims
- 5042US4147953ACathode construction for linear beam tubesENGLISH ELECTRIC VALVE CO LTD·Filed 1976·Granted Apr 3, 1979·4 cites·9 claims
Showing the top 50 of 123 patent records by PatentIndex Score.
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