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BARNES DRILL COMPANY

Overview
  • Total Patents
    39
About

BARNES DRILL COMPANY has a total of 39 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets machine tools, machines and chemical engineering are HAAS SCHLEIFMASCHINEN GMBH, AVRIL PAUL VICTOR and FIRM SOC GENEVOISE D INSTR DE.

Patent filings in countries

World map showing BARNES DRILL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 27
#2 United Kingdom 4
#3 Canada 3
#4 Germany 2
#5 France 2
#6 Switzerland 1

Patent filings per year

Chart showing BARNES DRILL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnson Albert M 21
#2 Fairbairn Walter M 5
#3 Caldwell Harry J 2
#4 Seborg Earnest Y 1
#5 Brokaw Roscoe T 1
#6 Zoiss Melvin H 1
#7 Richard Estabrook Mark 1
#8 Lundeen Elmer F 1
#9 Hanna Fred M 1
#10 Casson Kenneth H 1

Latest patents

Publication Filing date Title
US2279462A Combined drilling and tapping machine
US2246199A Horizontal honing machine
US2247479A Honing machine
GB499637A Improvements in honing machines
GB510627A Improvements in machines for dressing external cylindrical surfaces
GB513649A Improvements in honing machines
GB512472A Improvements in cylinder honing machines
US2106216A Honing machine
US2111784A Honing machine
US2083194A Honing machine
US2044076A Skip-stop control mechanism
US1948115A Machine tool
US1945045A Honing machine
US1917842A Drilling machine spindle
US1929814A Feed tripping mechanism for drilling machines
US1917831A Machine tool
US1872746A Honing machine
US1909767A Machine tool
US1909766A Machine tool
US1877881A Honing machine