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INGERSOLL HOWARD L

Overview
  • Total Patents
    27
About

INGERSOLL HOWARD L has a total of 27 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United States and Canada. Its main competitors in its focus markets transport, machines and thermal processes are HANLON JOHN HENRY, LOCOMOTIVE BOOSTER COMPANY and WALKER RUDOLF ING.

Patent filings in countries

World map showing INGERSOLL HOWARD Ls patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 10

Patent filings per year

Chart showing INGERSOLL HOWARD Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ingersoll Howard L 27
#2 Burton Thomas L 1

Latest patents

Publication Filing date Title
US1827817A Electric locomotive
US1810709A Locomotive
US1673456A Corrugated wall plate
US1680885A Draft connection
US1760139A Locomotive
US1627392A Corrugated wall plate
US1673455A Car-end construction
US1447178A Draft mechanism
US1615454A Locomotive
US1547155A Booster motor for locomotives
US1580734A Controlling apparatus for booster motors
US1534450A Controlling mechanism for booster motors
US1339513A Governor control for booster-motors for locomotives
US1450178A Superheater for locomotives
US1383633A Booster-motor for locomotives
US1375293A Booster-motor for locomotives
CA242577A Draft mechanism
CA283495A Locomotive booster
CA254067A Booster motor for locomotives
CA328768A Locomotive