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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Supplying fuel to combustion device | |
#2 | Controlling combustion |
# | Name | Total Patents |
---|---|---|
#1 | Field Jr Edward A | 11 |
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 |