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MUIRHEAD & CO LTD

Overview
  • Total Patents
    315
About

MUIRHEAD & CO LTD has a total of 315 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets audio-visual technology, transport and electrical machinery and energy are MUIRHEAD LTD, TAKANO SHINICHI and TIMES FACSIMILE CORP.

Patent filings in countries

World map showing MUIRHEAD & CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 143
#2 United States 62
#3 France 58
#4 Germany 41
#5 Sweden 8
#6 Norway 2
#7 Denmark 1

Patent filings per year

Chart showing MUIRHEAD & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bell John 39
#2 John Bell 17
#3 Hoer Kenneth George 17
#4 Foll John Victor 10
#5 Sieber Peter William 9
#6 Kirchel Alan Arthur 9
#7 Victor Foll John 8
#8 Tucker Edwin William 6
#9 William Tucker Edwin 5
#10 Couzens Sydney Norman 5

Latest patents

Publication Filing date Title
GB1125059A Improvements in and relating to optical arrangements for facsimile
GB1169631A Improvements in or relating to Stabilizers for Floating Bodies
GB1147460A Improvements in or relating to wire wound bobbin type resistors
GB1196402A Improvements in or relating to Automatic Type Setting Apparatus
GB1103705A Improvements in or relating to visual indication of temperature change
GB1123393A Improvements in or relating to active tank stabilizers for buoyant bodies
GB1096446A Improvements in or relating to supply circuits for synchros
GB1060110A Improvements in or relating to testing devices
GB1143004A Improvements in or relating to threshold trigger circuits
GB1103793A Improvements in or relating to radial and/or end play test devices for rotating components
GB1088298A Improvements in or relating to liquid circulating systems
GB1113855A Improvements in or relating to arresting and turning apparatus for paper or like sheet in stacking apparatus
GB1087824A Improvements in or relating to the control of passive tank stabilizers
GB1067339A Improvements in or relating to stabilization of floating bodies
GB1068466A Improvements in or relating to passive stabilizers for oil tankers
GB1072073A Improvements relating to drum type facsimile receivers
US3269346A Passive tank stabilizers for floating bodies
GB1079889A Sheet securing clips for a facsimile telegraph drum or the like
GB1097693A Improvements relating to paper feeding arrangements for a facsimile telegraph drum
GB1068088A Improvements in or relating to reciprocating pump arrangements for circulating liquids