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B & R RELAYS LTD

Overview
  • Total Patents
    13
About

B & R RELAYS LTD has a total of 13 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United Kingdom and United States. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and measurement are SCIBREAK AB, HEINEMANN ELECT SOUTH AFRICA and WHIPP AND BOURNE LTD.

Patent filings in countries

World map showing B & R RELAYS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 United States 1

Patent filings per year

Chart showing B & R RELAYS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Butterworth Edmund Morton 6
#2 Hargrave Michael John Arthur 2
#3 Knights Douglas Sydney 1
#4 Butterworth Edward Morton 1
#5 Knights Douglas Sidney 1

Latest patents

Publication Filing date Title
GB2086136A Improvements in and relating to earth leakage circuit breakers
GB1585826A Circuit breakers
GB1545600A Circuit breakers
GB1271373A Current leakage circuit breaker device
GB1204918A Electric switches
GB1145857A Improvements in or relating to electrical circuit breakers
GB1098378A Push-button reed switches
GB1057058A Electrical contactor
GB1020786A Improvements in and relating to electric pulse apparatus
GB998627A Improvements in or relating to electric relays
GB973814A Electrical control device
GB939603A Improvements in or relating to electromagnet relays