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DRUMMOND BROTHERS LTD

Overview
  • Total Patents
    18
About

DRUMMOND BROTHERS LTD has a total of 18 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United Kingdom. Its main competitors in its focus markets machine tools and mechanical elements are NINGBO YINZHOU TAISHENG NUMERICAL CONTROL EQUIPMENT CO LTD, NILES WERKE AKT GES DEUTSCHE and NI PT I MASH.

Patent filings in countries

World map showing DRUMMOND BROTHERS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 18

Patent filings per year

Chart showing DRUMMOND BROTHERS LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Tutcher Arthur John 4
#2 Carr Herbert 4
#3 Blacklock Joseph Luke 3
#4 Davenport Granger 1
#5 Bridson Eustace Peter 1
#6 Tinsey Alan James 1
#7 Wesley John 1
#8 Chapman Richard 1
#9 Mcdonnell Keith Frederick 1
#10 Stevenson Gordon Bryan 1

Latest patents

Publication Filing date Title
GB1158160A A Machine Tool
GB1110901A A gear-shaping machine
GB1106775A A machine slide comprising a slider on a slideway and means for fixing the slider
GB1110902A A machine tool
GB1057597A Hob-shifting in hobbing machines
GB936585A Gear-cutting method and apparatus
GB891507A A gear-shaping machine of the kind having a pinion as the cutting tool
GB891506A A gear-shaping machine of the kind having a pinion as the cutting tool
GB863530A Improvements in or relating to gear-shaping machines of the kind having a pinion as the cutting tool
GB829391A Improvements in or relating to methods of cutting gears
GB784998A Improvements in or relating to tool bit supporting devices for machine tools
GB778075A Improvements in or relating to copying lathes
GB764493A Improvements in or relating to work steadies for lathes
GB650241A Improvements in or relating to gear-shaping machines
GB596381A Improvements in or relating to the operation of lathe and like machine tool slides
GB596382A Improvements in or relating to lathes and like machine tools
GB475690A Improvements in or relating to lathes and like machine tools
GB474547A Improvements in or relating to lathes and like machine tools