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FIVRE VALVOLE RADIO ELETT SPA

Overview
  • Total Patents
    11
About

FIVRE VALVOLE RADIO ELETT SPA has a total of 11 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United Kingdom, Germany and Spain. Its main competitors in its focus markets electrical machinery and energy, thermal processes and machines are NIPPON DENKI SYLVANIA KK, HANS JOACHIM SPANNER and SILICA SYNDICATE LTD.

Patent filings in countries

World map showing FIVRE VALVOLE RADIO ELETT SPAs patent filings in countries
# Country Total Patents
#1 United Kingdom 3
#2 Germany 2
#3 Spain 2
#4 France 2
#5 United States 2

Patent filings per year

Chart showing FIVRE VALVOLE RADIO ELETT SPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gianfranco Cirri 2
#2 Cirri Gianfranco 2

Latest patents

Publication Filing date Title
GB1140378A Hollow cathode tube for application in spectrophotometry
US3401292A Fluid cooled hollow cathode discharge tube
US2964880A Process for preparing glass elements
DE1054674B Method and apparatus for improving the dielectric properties of rod drawn glass
DE875668C Device for cooling by means of air from surfaces emitting heat
GB698214A Cooling device for heat dissipating surfaces
GB638985A Improved method of and apparatus for sealing electron tubes