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DND CORP

Overview
  • Total Patents
    27
About

DND CORP has a total of 27 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machine tools, machines and chemical engineering are CLIFTON CHARLES HENRY, FUJI SEIKO CORP and STAR CUTTER COMPANY.

Patent filings in countries

World map showing DND CORPs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sherer C Richard 4
#2 Sherer Charles Richard 3
#3 Becker A 3
#4 Sherer C 3
#5 Foyle Russell M 3
#6 Kinzbach R 2
#7 Kinzbach Robert Benton 2
#8 Lilly M 2
#9 Becker Anthony Frank 2
#10 Crook William Mack 2

Latest patents

Publication Filing date Title
US4007705A Apparatus for treating a cylindrical object
US3942248A Pipe cutting device
AU6506074A Self centering pipe working machine
CA979035A Self centering pipe working machine
GB1399637A Machine for performing operations on pipes
US3859877A Inside pipe cutter apparatus
AU4333372A Flange facing machine
US3807047A Pipe cutting device
US3772944A Flange facing machine
US3819163A Self centering pipe working machine
US3762246A Flange facing machine