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ECONOMY DEVICES CORP

Overview
  • Total Patents
    16
About

ECONOMY DEVICES CORP has a total of 16 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, transport and machines are GORDON CARROLL G, SANDALL PRECISION CO LTD and MOOG SERVOCONTROLS INC.

Patent filings in countries

World map showing ECONOMY DEVICES CORPs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 4

Patent filings per year

Chart showing ECONOMY DEVICES CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Transport
#3 Machines

Top inventors

# Name Total Patents
#1 Stafford Hal R 9
#2 Ball Herman F 4
#3 Muhlfeld John E 2
#4 Clendon George W 2
#5 Casey William F J 1
#6 Cavin Gustave 1

Latest patents

Publication Filing date Title
CA183500A Draw bar
CA181146A Locomotive and tender connection
US1252646A Safety draw-bar.
US1248742A Locomotive and tender connection.
CA183389A Steam engine valve mechanism
US1236366A Draw-bar-pin keeper.
CA184025A Locomotive side rod
US1231473A Safety draw-bar.
US1230049A Steam-engine valve reversing-gear.
US1261953A Steam valve-chest.
US1163623A Locomotive-truck.
US1261952A Safety aperture-closure.
US1165811A Steam-engine valve-reversing gear.
US1121414A Steam-engine valve-reversing gear.
US1124589A Reversing-gear for locomotives.
US1222247A Locomotive side rod.