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HAMILTON STANDARD PROPELLER CO

Overview
  • Total Patents
    31
About

HAMILTON STANDARD PROPELLER CO has a total of 31 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets transport, machines and machine tools are RAOUL HAFNER, CLAUDE DORNIER and LANDES WESLEY K.

Patent filings in countries

World map showing HAMILTON STANDARD PROPELLER COs patent filings in countries
# Country Total Patents
#1 United States 15
#2 United Kingdom 5
#3 Canada 4
#4 France 3
#5 Germany 2
#6 Austria 1
#7 Finland 1

Patent filings per year

Chart showing HAMILTON STANDARD PROPELLER COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Caldwell Frank W 8
#2 Mccauley Ernest G 4
#3 Hamilton Thomas F 3
#4 Dicks Thomas A 1
#5 Kenneth Jamison John 1
#6 Walker Caldwell Frank 1
#7 Arvid Nelson 1
#8 Caldwell Frank Walker 1

Latest patents

Publication Filing date Title
GB437631A Improvements in or relating to screw propellers
GB416255A Improvements in or relating to screw propellers and pitch control mechanism therefor
US1982874A Method of tapering tubes
GB399205A Improvements in or relating to adjustable pitch propeller
US1870401A Hub for small propellers
GB355329A Improvements in or relating to screw propellers
GB345091A Improvements in or relating to screw propellers
US1817556A Propeller for aircraft
US1893612A Propeller
US1805149A Method of balancing propeller blades
US1870361A Propeller hub and blade mounting
US1836700A Propeller
US1862328A Propeller
US1769775A Hub for propellers
US1801486A Propeller hub
US1760876A Airplane propeller
US1769801A Propeller
US1769767A Propeller
US1763218A Propeller for airplanes and dirigible balloons
US1790163A Propeller for aircraft