Learn more

FREQUENCY ELECTRONICS INC

Overview
  • Total Patents
    13
About

FREQUENCY ELECTRONICS INC has a total of 13 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets basic communication technologies, electrical machinery and energy and control are EOSEMI LTD, ALWIN HAHNEL and WILTRON MEASUREMENTS LTD.

Patent filings per year

Chart showing FREQUENCY ELECTRONICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stone Charles 7
#2 Mcclelland Thomas 6
#3 Ho John C 6
#4 Stone Charles S 2
#5 Goldfrank Bruce 2
#6 Bloch M 1
#7 Bloch Martin B 1
#8 Pascaru Iancu 1
#9 Warner Arthur W 1
#10 Bloch Martin 1

Latest patents

Publication Filing date Title
US2005242893A1 Method for achieving highly reproducible acceleration insensitive quartz crystal oscillators
CA2430778A1 Precision oven-controlled crystal oscillator
US5107226A Atomic frequency standard using optical pumping for state preparation and magnetic state selection of atoms
US5160901A Multimode crystal oscillator
US4748367A Contact heater for piezoelectric effect resonator crystal
US4701661A Piezoelectric resonators having a lateral field excited SC cut quartz crystal element
US3715563A Contact heaters for quartz crystals in evacuated enclosures