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BRITISH DIELECTRIC RES LTD

Overview
  • Total Patents
    135
About

BRITISH DIELECTRIC RES LTD has a total of 135 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United Kingdom, Canada and Spain. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and surface technology and coating are HOLY STONE ENTERPRISE CO LTD, FUJIAN TORCH ELECTRON TECHNOLOGY CO LTD and CHINA ZHENHUA GROUP XINYUN ELECTRONIC COMP &DEV CO LTD STATE RUN FACTORY 4326.

Patent filings in countries

World map showing BRITISH DIELECTRIC RES LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 53
#2 Canada 21
#3 Spain 20
#4 France 20
#5 United States 13
#6 Germany 7
#7 Belgium 1

Patent filings per year

Chart showing BRITISH DIELECTRIC RES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shen Tzu En 39
#2 West Roger 14
#3 Huggett John Philip 14
#4 Burger Francis Joseph Peter Ju 13
#5 Walker Herbert 9
#6 Vincent Russell Swale 9
#7 Plessner Karl Wolfgang 8
#8 Margolis David Saul 6
#9 En Shen Tzu 6
#10 Huggett John P 5

Latest patents

Publication Filing date Title
GB1009944A Improvements in sheet material for forming laminated dielectric bodies
GB966627A Improvements in or relating to the electrolytic etching of anodisable metal foil
US3069276A Ceramic dielectric materials and capacitors incorporating such materials
GB920738A Ceramic dielectric materials and capacitors incorporating such materials
US3090895A Capacitors
GB911773A Improvements in or relating to capacitors
US2980546A Ceramic dielectric materials
US2955048A Ceramic dielectric materials
GB828007A Improvements in ceramic bodies based on barium titanate
ES229500A1 A method of preparing for use as a condenser electronic a metal sheet covered on its main lacquer surfaces (Machine-translation by Google Translate, not legally binding)
GB802053A Improvements in or relating to the deposition of nickel on dielectric surfaces
US2918381A Ceramic dielectric materials
GB809839A Improvements in or relating to electric capacitors
GB856927A Improvements in or relating to electrolytic capacitors
GB795450A Improvements relating to ceramic dielectric materials
GB795451A Improvements relating to ceramic dielectric materials
ES227572A1 A method of manufacturing an electrolytic condenser (Machine-translation by Google Translate, not legally binding)
GB797310A Improvements in electric capacitors
GB788614A Improvements in or relating to variable capacitors
GB795449A Improvements relating to ceramic dielectric materials