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PRATT AND WHITNEY COMPANY

Overview
  • Total Patents
    28
About

PRATT AND WHITNEY COMPANY has a total of 28 patent applications. Its first patent ever was published in 1893. It filed its patents most often in Canada, Spain and France. Its main competitors in its focus markets machine tools, machines and mechanical elements are BRIGHT FRED E, BERTHIEZ SAINT ETIENNE and ECLIPSE COUNTERBORE COMPANY.

Patent filings in countries

World map showing PRATT AND WHITNEY COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 22
#2 Spain 2
#3 France 2
#4 United States 2

Patent filings per year

Chart showing PRATT AND WHITNEY COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools
#2 Machines
#3 Mechanical elements

Top inventors

# Name Total Patents
#1 Shaw Robert Drew 5
#2 Jaeger Jacob J 4
#3 Shaw John Cargill 3
#4 Buckingham Earle 2
#5 Rusnak John M 2
#6 Tanner Hubert Dunlop 2
#7 Hoagland Frank Oscar 1
#8 Wilder Arthur Lewis 1
#9 Kirkham Edward E 1
#10 Nowak Edward F 1

Latest patents

Publication Filing date Title
CA174681A Chuck
CA171242A Grinding machine
CA133057A Drill and socket
US730445A Machine for relieving-tools.
US726679A Stopping and reversing mechanism.
CA357467A Lathe
CA348341A Tracer
CA574315A Automatic speed control for duplicating machines
CA285198A Gear finishing machine
CA343605A Cam cutting machine
CA618500A Automatic rotary positioning means
CA240651A Gear hobbing machine
CA581449A Precision positioning means
CA530578A Pattern controlled milling machine
CA358299A Electric lathe
CA233673A Method of making milling cutters
CA359456A Machine tool device
CA243201A Gear hobbing machine
CA343606A Duplicating machine
CA686235A Digitally controlled positioning system