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ENGINEERING APPLIANCE CORP

Overview
  • Total Patents
    16
About

ENGINEERING APPLIANCE CORP has a total of 16 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Canada and United States. Its main competitors in its focus markets electrical machinery and energy are OEZ S R O, ZHENG WENXIU and NINGBO JINHAI ELECTRONIC CO LTD.

Patent filings in countries

World map showing ENGINEERING APPLIANCE CORPs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 United States 8

Patent filings per year

Chart showing ENGINEERING APPLIANCE CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy

Focus technologies

# Technology
#1 Electric switches

Top inventors

# Name Total Patents
#1 Cole Clarence H 6
#2 Kriegstedt Carl E O 6
#3 Oscar Kriegstedt Carl Erenest 2
#4 Kriegstedt Carl Erenest Oscar 2

Latest patents

Publication Filing date Title
US1927334A Fuse
US1927335A Cartridge fuse
US1927336A Cartridge fuse
US1927372A Fuse
US1957345A Fuse
US1927371A Fuse
US1927370A Fuse plug
US1927369A Renewable fuse
CA341811A Electric fuse
CA341816A Electric fuse
CA341813A Electric fuse
CA341812A Electric fuse
CA341810A Electric fuse
CA341815A Electric fuse
CA341817A Electric fuse
CA341814A Electric fuse