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S F D LAB

Overview
  • Total Patents
    32
About

S F D LAB has a total of 32 patent applications. Its first patent ever was published in 1961. It filed its patents most often in France, Canada and United States. Its main competitors in its focus markets electrical machinery and energy, telecommunications and basic communication technologies are ALEKSANDROV VLADIMIR N, JAPAN SYNCHROTRON RADIATION RES INST and TRUWEAL INC.

Patent filings in countries

World map showing S F D LABs patent filings in countries
# Country Total Patents
#1 France 17
#2 Canada 14
#3 United States 1

Patent filings per year

Chart showing S F D LABs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Glenfield George E 4
#2 Farney George K 4
#3 Feinstein Joseph 4
#4 Drexlet Jerome 1
#5 Feulner Fred A 1
#6 Drexler Jerome 1
#7 Angle Robert 1
#8 Hynes Richard M 1
#9 Dufosse Peter 1
#10 Mcdowell Hunter L 1

Latest patents

Publication Filing date Title
US3414761A Dither tuner for a coaxial magnetron
CA806836A Interdigital slow wave circuit and match for same
CA795983A Slow wave method and apparatus
CA844223A Crossed-field reentrant stream tandem slow wave circuit tube
CA858111A Crossed-field amplifier having a beam of electrons flowing through the interaction region orthogonally to microwave power flow
CA707449A High power electron discharge device
CA707436A Low-noise amplifier
CA834979A Reverse magnetron having a circular electric mode purifier in the output waveguide
CA792945A Tuner mechanism for magnetron
CA764121A Slow wave apparatus
CA778968A Slow wave circuits and discharge devices employing same
CA676256A Nonreciprocal attenuator
CA775272A Crossed field microwave tube having an improved slow wave circuit and method of fabricating same
CA818115A Ditherable and tunable microwave tube having a dithered tuner actuator of fixed length
CA802480A Magnetron