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FIELD EDWARD A

Overview
  • Total Patents
    18
About

FIELD EDWARD A has a total of 18 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and machines are FIELD JR EDWARD A, FLAMEKEEPER LLC and RUSSELL ROBERT J.

Patent filings in countries

World map showing FIELD EDWARD As patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 3

Patent filings per year

Chart showing FIELD EDWARD As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Field Edward A 18
#2 Field Jr Edward A 7
#3 Field Edward A Jr 3

Latest patents

Publication Filing date Title
US2761494A Barometric draft regulator and burner control
US2680564A Barometric draft regulator
US2682299A Barometric draft regulator and burner control
US2671615A Barometric draft regulator
US2692640A Barometric draft regulator and burner control
US2650029A Barometric draft regulator
US2652200A Barometric draft regulator
US2624513A Draft control
US2122640A Draft stabilizer
US1855228A Motor-controlled stabilizer
US1873567A Draft stabilizer
US1783418A Draft stabilizer
US1643115A Oil burner
US1373876A Internal-combustion engine
US1372343A Internal-combustion engine
CA380585A Furnace draft stabilizer
CA314088A Draft stabilizer
CA305277A Draft stabilizer