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SYDNEY S BIRD & SONS LTD

Overview
  • Total Patents
    11
About

SYDNEY S BIRD & SONS LTD has a total of 11 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United Kingdom, France and Belgium. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and audio-visual technology are LEUKERT GMBH, KUANG YING COMP EQUIPMENT CO and SENTINEL CONNECTOR SYSTEMS INC.

Patent filings in countries

World map showing SYDNEY S BIRD & SONS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 France 3
#3 Belgium 1
#4 Germany 1
#5 United States 1

Patent filings per year

Chart showing SYDNEY S BIRD & SONS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ganderton Peter Clifton 5
#2 Tuck Kenneth Ernest 1
#3 Ganderton Peter C 1

Latest patents

Publication Filing date Title
GB940439A Improvements in push-button incremental tuners
GB946943A Improvements in artificial reverberation units
FR1177472A Improvements to barrel switches, especially for rotary tuning blocks for radio receivers
FR1177340A Adjustable capacitor enhancements
GB806801A Improvements in and relating to electric switches
GB803633A Improvements in and relating to radio-frequency tuning devices
GB806802A Improvements in and relating to ganged radio-frequency tuning devices