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BULLERS LTD

Overview
  • Total Patents
    81
About

BULLERS LTD has a total of 81 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets electrical machinery and energy, machines and civil engineering are LUO ZHIZHAO, CERAMICA RICHARD GINORI SOC and NORDDEUTSCHE KABELWERKE AKT GE.

Patent filings in countries

World map showing BULLERS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 67
#2 Canada 11
#3 United States 2
#4 Australia 1

Patent filings per year

Chart showing BULLERS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perrins George 3
#2 Stewart John Edwin 2
#3 Norton Reginald Thomas 2
#4 Dagnall Hubert Charles Rayner 2
#5 Newman Horace Sydney 1
#6 Henderson Charles Alfred Murra 1
#7 George Perrins 1
#8 Robinson William George 1
#9 Rock Percy 1
#10 Twiss George V 1

Latest patents

Publication Filing date Title
GB1494203A Kiln furniture particular crank structures
GB865835A Improvements in or relating to jaws for crushing apparatus
GB781523A Improvements in or relating to assemblages of bats and separating pillars for supporting ceramic ware during firing
GB707347A Improvements in or relating to anchoring clamps for cables
GB662322A Improvements in or relating to electric insulators
US2576723A Electric insulator having potential drop controlling means
GB637218A Improvements in or relating to electric insulators
GB643814A Improvements in or relating to electric insulators having semi-conducting glazes
GB635814A Improvements in or relating to gas-filled electric insulators
GB618484A Improvements in or relating to electric insulators
GB617833A Improvements in or relating to electric insulators
GB617834A Improvements in or relating to electric insulators
GB538284A Improvements in or relating to cotter pins for retaining suspension pins in insulator hoods
GB532117A Improvements in or relating to electric insulators
GB530114A Improvements in or relating to wireless aerials
GB524663A Improvements in or relating to electric insulators
GB509606A Improvements in or relating to electric insulators
GB506051A Improvements in or relating to electric insulators
GB505981A Improvements in or relating to electric insulators
GB484020A Improvements in or relating to electric insulators