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DAREX CORP

Overview
  • Total Patents
    12
About

DAREX CORP has a total of 12 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools and machines are MIDWEST SUPPLY AND MFG COMPANY, LIDKOPINGS MEK VERKST S AKTIEB and THIELENHAUS ERNST GMBH & CO KG.

Patent filings in countries

World map showing DAREX CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2
#3 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing DAREX CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines

Top inventors

# Name Total Patents
#1 Bernard David A 6
#2 Bernard Richard A 4
#3 Christian William C 4
#4 Bernard Arthur A 3
#5 Bernard Arthur Alexander 2
#6 Bernard Richard Allen 2
#7 Wiltrout Jim 1
#8 Hilligoss Will 1
#9 Griffin John 1
#10 Bernard David 1

Latest patents

Publication Filing date Title
US6878035B2 Tool sharpener
WO9801259A2 Precision drill sharpener and grinding wheel assembly therefor
US5400546A Precision twist drill sharpener/point splitting machine
US4916866A End mill sharpener
US4741226A Power feed
US4471581A Universal twist drill sharpener apparatus
US4485596A Twist drill point splitting/web thinning apparatus
CA1078157A Plural-jawed chuck for twist drill
CA1047769A Twist drill sharpener and components thereof
US4001975A Twist drill sharpener and aligning fixture