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EMI VARIAN LTD

Overview
  • Total Patents
    83
About

EMI VARIAN LTD has a total of 83 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United Kingdom, United States and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, telecommunications and medical technology are JAMES DWYER MCGEE, SAKABE TOMOHEI and IMATREX INC.

Patent filings in countries

World map showing EMI VARIAN LTDs patent filings in countries

Patent filings per year

Chart showing EMI VARIAN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perring Dudley 14
#2 Cutting Alan Butler 4
#3 Tuck Richard Allan 3
#4 England Melvin Gerrard 3
#5 Skinner Heather Barbara 3
#6 Tuck Richard A 3
#7 Gotsudofurei Nyuuborudo Haunsu 3
#8 Atkinson John Edward 2
#9 Green Michael Curzon 2
#10 Cutting Alan B 2

Latest patents

Publication Filing date Title
GB8809218D0 Improvements relating to coaxial magnetrons
GB8708232D0 Local oscillator systems
EP0238236A2 Improvements relating to magnetrons
GB8615122D0 Improvements relating to spin- tuned magnetrons
EP0195509A2 Magnetron with indicator for the instantaneous magnetron frequency
EP0156454A1 Thermionic electron emitter
GB2151070A Improvements relating to magnetrons
GB8331432D0 Reproducing a planar pattern on a curved surface
FR2716034A1 Thermoelectric emission layer for electron emitting cathode
EP0058039A2 Gyrotron device
GB2109986A Gyro amplifier
GB2098390A Buffer section for microwave amplifier
US4417173A Thermionic electron emitters and methods of making them
GB2152742A Microwave amplifiers and oscillators
GB2152741A Producing an electron beam
GB2152740A Microwave amplifiers and oscillators
EP0018724A1 Spin-tuned magnetron
EP0009903A1 Spin tuned magnetron
EP0008896A1 An output section for a microwave amplifier, a microwave amplifier and a circuit for use in a microwave amplifier
GB2050045A Thermionic cathode