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FIELD JR EDWARD A

Overview
  • Total Patents
    11
About

FIELD JR EDWARD A has a total of 11 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United States. Its main competitors in its focus markets thermal processes are LOUIS PRAT, RECOMATIC S A and FIELD EDWARD A.

Patent filings in countries

World map showing FIELD JR EDWARD As patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

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

Focus industries

# Industry
#1 Thermal processes

Top inventors

# Name Total Patents
#1 Field Jr Edward A 11

Latest patents

Publication Filing date Title
US2581757A Draft control
US2514446A Draft limiting damper
US2433749A Draft regulator
US2371512A Draft control
US2346740A Draft regulator
US2358390A Automatic thermally responsive draft control
US2297757A Draft regulator or control
US2269932A Draft control
US2263035A Draft control
US2253290A Draft control
US2241590A Draft control