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ROBERT HOWARD CLARK

Overview
  • Total Patents
    14
About

ROBERT HOWARD CLARK has a total of 14 patent applications. Its first patent ever was published in 1944. It filed its patents most often in Canada and United Kingdom. Its main competitors in its focus markets machine tools are MIANYANG MIANGONG TOOLS CO LTD, WUXI YUTIAN PREC TOOL CO LTD and UWAVE KK.

Patent filings in countries

World map showing ROBERT HOWARD CLARKs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United Kingdom 7

Patent filings per year

Chart showing ROBERT HOWARD CLARKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Top inventors

# Name Total Patents
#1 Wilson Harry Carl 4
#2 Smith Lawson Allen 3

Latest patents

Publication Filing date Title
GB602943A Expansible augers or bits
GB596409A Fixture for supporting a cutting tool while being ground
GB601520A Improvements in tools for cutting holes in sheets, plates and the like
GB591237A Improvements in combined drilling and boring tools
GB595686A Improvements in cutting tools for facing and counterboring
GB598659A Lathe or like tool holders
GB575664A Fixture for grinding thread cutting tools
CA433192A Grinding tool fixture
CA439807A Combined drill and cutter
CA447342A Boring bar
CA439806A Tool holder
CA448622A Cutting tool
CA447341A Cutting tool
CA431297A Rotary cutter