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ANSAFONE LTD

Overview
  • Total Patents
    56
About

ANSAFONE LTD has a total of 56 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United Kingdom, Germany and Australia. Its main competitors in its focus markets telecommunications, audio-visual technology and machines are RUBENSTEIN LEONARD, STEIDINGER G M B H GEB and DASA CORP.

Patent filings in countries

World map showing ANSAFONE LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 24
#2 Germany 9
#3 Australia 5
#4 United States 5
#5 France 4
#6 Japan 3
#7 Canada 2
#8 Italy 2
#9 Switzerland 1
#10 EPO (European Patent Office) 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Robinson Stephen Perrin 7
#2 Rawling Harold Simpson 6
#3 Tomlinson Terence Bernard 6
#4 Hewitt Martin 4
#5 Evans David Charles 3
#6 Robinson Stephen P 3
#7 Humm Arthur James 3
#8 Henehan Padraig Anthony 2
#9 Farkouh Michel George Bazil 2
#10 Sutefuan Perin Robinson 2

Latest patents

Publication Filing date Title
GB2068696A Signal discriminating circuit
GB2030341A Magnetic Recording and Playback; Detecting Particular Regions of the Tape
GB2020510A Telephone answering machines
GB2020948A Telephone answering machines
GB2020947A Telephone answering machines
GB1584670A Means for driving recording media
GB1604590A Sound reproducing devices
GB1594765A Telephone answering machines
GB1573049A Telephone answering machines
GB1525437A Telephone answering machines
GB1569270A Telephone answering machines
GB1536843A Telephone answering machines
JPS523416A Recorder reproducer
GB1529951A Telephone answering machines
GB1529452A Detection of direct currents or voltages
AU7693674A Improvements in or relating to telephone answering machines
GB1492933A Telephone answering machines
CA1055176A Sound recording and reproducing machines
GB1523281A Coder and decoder devices
GB1447793A Spool drive mechanisms