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BRENTFORD TRANSFORMERS LTD

Overview
  • Total Patents
    41
About

BRENTFORD TRANSFORMERS LTD has a total of 41 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United Kingdom, United States and Spain. Its main competitors in its focus markets electrical machinery and energy, control and thermal processes are CENTRAL TRANSFORMER CORP, TRANSFIX SOC NOUV and JYOTI LTD.

Patent filings in countries

World map showing BRENTFORD TRANSFORMERS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 30
#2 United States 5
#3 Spain 3
#4 Canada 2
#5 Germany 1

Patent filings per year

Chart showing BRENTFORD TRANSFORMERS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henman Cecil Bourne 12
#2 Martin Leonard John 9
#3 Gray John 4
#4 Matthews Dennis Joseph 2
#5 John Gray 2
#6 Ashley Herbert Neville 2
#7 Tait Thomas John 2
#8 Albert Edward Pearson John Gra 1
#9 Joseph Matthews Dennis 1
#10 John Martin Leonard 1

Latest patents

Publication Filing date Title
GB986913A Improvements relating to voltage control devices
GB1023331A Improvements in or relating to the control of electric motor driven pumps
GB958231A Improvements in or relating to speed control of alternating current motors
US3014173A Electrical control systems
GB960213A Improvements in or relating to voltage control devices
GB960211A Improvements in or relating to voltage control devices
GB960212A Improvements in or relating to voltage control devices
GB894000A Improvements in or relating to voltage regulators
GB985311A Improvements in or relating to systems for controlling the speed of alternating current motors
GB964692A Improvements in voltage control apparatus
GB895530A Improvements in or relating to voltage regulators
GB898037A Improvements in intermittent reversing drives
GB952056A Improvements in or relating to the control of regulators
GB896162A Improvements in the control of regulators
GB894014A Improvements in electrical furnaces
GB897515A Improvements in or relating to electric regulating apparatus
GB918422A Improvements in or relating to electrical regulating apparatus
GB851004A Improvements in or relating to voltage regulators
GB907508A Improvements in or relating to electric regulating apparatus
GB881522A Improvements in devices for protecting electrical apparatus