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COLLARO LTD

Overview
  • Total Patents
    31
About

COLLARO LTD has a total of 31 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets audio-visual technology, mechanical elements and machine tools are BULGARSKO RADIO, B A PROCTOR COMPANY INC and VEGA R.

Patent filings in countries

World map showing COLLARO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 24
#2 United States 5
#3 Canada 1
#4 France 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Humby Edward Thomas 8
#2 Collaro Christopher 4
#3 Thomas Humby Edward 3
#4 Gibson John Brown 3
#5 Draper Albert Eric 2
#6 Christopher Collaro 1
#7 Charles Bone Kenneth 1
#8 Palmer Jack 1
#9 Wilton Raymond Charles 1
#10 Charles Wilton Raymond 1

Latest patents

Publication Filing date Title
GB913027A Improvements relating to magazine spindles for automatic record changing gramophones
GB910949A Improvements relating to magazine spindles for automatic record changing gramophones
GB884861A Improvements relating to gramophones
US3048429A Driving mechanisms for sound reproducing apparatus
US3014728A Automatic record-changers
GB882337A Improvements in driving mechanisms for sound reproducing apparatus
GB876980A Improvements relating to automatic gramophones
GB870563A Improvements relating to automatic record-changers
GB870562A Improvements relating to automatic record changers
US2978281A Thrust bearings
GB867408A Improvements relating to tape decks
US2919924A Automatic record-changing phonograph
GB844480A Improvements relating to thrust bearings
GB824694A Improvements in automatic record-changing gramophones
GB808993A Improvements relating to pick-up arms for gramophones
GB764490A Improvements in automatic or magazine gramophone apparatus
GB759394A Improvements in or relating to gramophone pick-up arms
GB729018A Improvements in gramophone mechanisms
GB745143A Improvements relating to change speed mechanisms
GB704915A Improvements relating to gramophone pick-up arms