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HALL TELEPHONE ACCESSORIES LTD

Overview
  • Total Patents
    53
About

HALL TELEPHONE ACCESSORIES LTD has a total of 53 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United Kingdom, France and Canada. Its main competitors in its focus markets packaging and shipping, control and telecommunications are GAMEMAX CORP, BELL PUNCH AND PRINTING COMPAN and ZIMMERMANN ARMIN.

Patent filings in countries

World map showing HALL TELEPHONE ACCESSORIES LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 France 11
#3 Canada 9
#4 Germany 9
#5 United States 7

Patent filings per year

Chart showing HALL TELEPHONE ACCESSORIES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall Frederick William 10
#2 Butler Hugh Ernest James 8
#3 Batchelar Cecil 3
#4 Brierley Norman 3
#5 Frederick Whillock Arthur 3
#6 Williams James 3
#7 Glover Stewart 3
#8 Piggott John 3
#9 Jury Robert John 2
#10 Young Andrew 2

Latest patents

Publication Filing date Title
GB756628A Improvements in or relating to coin freed mechanism
GB757945A Improvements in or relating to bottle vending machines
GB756591A Improvements in or relating to coin collecting mechanism, particularly for telephone apparatus
GB747124A Improvements in or relating to coin freed mechanism
GB755636A Improvements in coin collectors for coin freed apparatus
GB755616A Improvements in or relating to coin freed vending machines
GB767819A Improvements in or relating to the manufacture of hollow drawn articles of rectangular or other non-cylindrical shape
US2751224A Sheet feeding arrangements
GB723538A Improvements in or relating to telephone and like coin collectors
US2717966A Electromagnetically operated movements
US2677473A Postal sorting apparatus
GB731426A Improvements in or relating to telephone coin collectors
GB731594A Improvements in or relating to apparatus for separating flat articles from a stack
US2714440A Devices for ejecting flat articles
US2778638A Apparatus for stacking letters and like articles
GB680352A Improvements in or relating to coin-freed telephone or radio telephone apparatus
GB732041A Improvements in or relating to coin-testing devices for coin freed machines
GB657884A Improvements in and relating to envelope opening and like sheet or package handling machine
GB680332A Improvements in and relating to coin collectors for telephones
GB667067A Improvements in or relating to dials for coin collecting automatic telephones