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DIAGRIT GRINDING CO LTD

Overview
  • Total Patents
    26
About

DIAGRIT GRINDING CO LTD has a total of 26 patent applications. Its first patent ever was published in 1968. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets machine tools and machines are ZAPP WERKZEUG & MASCHF R, ZHEJIANG SANOU MACHINERY CO LTD and BEIER HANS-MICHAEL.

Patent filings in countries

World map showing DIAGRIT GRINDING CO LTDs patent filings in countries
# Country Total Patents
#1 France 5
#2 United Kingdom 5
#3 Germany 4
#4 Australia 3
#5 Italy 3
#6 Sweden 3
#7 United States 2
#8 Canada 1

Patent filings per year

Chart showing DIAGRIT GRINDING CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Greig Alan 5
#2 Page Vere Christopher 4
#3 Page V C 1
#4 Francis Dawkins John Campbell 1
#5 Alfred Gaved Roy 1
#6 Greig A 1
#7 Welch J 1
#8 Gaved R 1
#9 Gaved Roy Alfred 1
#10 Dawkins John Campbell Francis 1

Latest patents

Publication Filing date Title
GB1532238A Turning tool
GB1383090A Drill
AU4688172A Drill having a cutting head carried on a tubular shank through which coolant for cooling the cutting head is passed
GB1341453A Drill
GB1369096A Cutting tool with removable cutting insert
GB1329689A Drill
US3533150A Holder for a cutting tool bit
DE1752202A1 Cutting tool insert and holder for this
US3514826A Holder for a cutting tool bit