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MENTMORE MFG CO LTD

Overview
  • Total Patents
    74
About

MENTMORE MFG CO LTD has a total of 74 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United Kingdom, France and Canada. Its main competitors in its focus markets consumer goods, textiles and paper and machines are KOHLER & SCHAEFER, BOSSERT & ERHARD and PIONEER IND CORP.

Patent filings in countries

World map showing MENTMORE MFG CO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 30
#2 France 12
#3 Canada 10
#4 Germany 8
#5 United States 8
#6 Ireland 4
#7 Denmark 2

Patent filings per year

Chart showing MENTMORE MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Silver Derrick John 10
#2 Johnson William Frederick 8
#3 Frederick Johnson William 5
#4 Silver Derrick J 4
#5 Andrews Arthur Edward 4
#6 John Silver Derrick 3
#7 Johnson William F 2
#8 Puckridge Clarence Graham 2
#9 Edward Andrews Arthur 2
#10 Andrews Edward Arthur 1

Latest patents

Publication Filing date Title
GB1255605A Improvements in writing instruments of the ballpoint type
US3116719A Self-filling fountain pens
GB1032863A Improvements in or relating to reservoir marking instruments
IE26174L Fountain pen.
GB1017991A Improvements in self-filling fountain pens
US2983254A Fountain pens
GB948431A Improvements in or relating to fountain pens
GB927251A Improvements in or relating to fountain pens
GB903559A Improvements in or relating to fountain pens
GB903560A Improvements in or relating to fountain pens
GB842854A Improvements in or relating to reservoir writing instruments
GB748897A Improvements in or relating to writing instruments having a retractable writing point
DE878614C pen
DE856273C Pen for fountain pen
IE20758L Ball-tip pens.
GB697867A Improvements in or relating to containers for articles of rod-like form
IE20545L Ball-tip pens.
GB738646A Improvements in ball-pointed writing instruments
IE20777L Ball-tip pens.
GB738641A Improvements in ball-pointed writing instruments