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LA MAR FRANK C

Overview
  • Total Patents
    23
About

LA MAR FRANK C has a total of 23 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy are YUEQING YEWEI ELECTRIC CO LTD, GUIZHOU CHANGZHENG SWITCH MFG CO LTD and BROWN J F.

Patent filings in countries

World map showing LA MAR FRANK Cs patent filings in countries
# Country Total Patents
#1 United States 23

Patent filings per year

Chart showing LA MAR FRANK Cs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Electric switches

Top inventors

# Name Total Patents
#1 La Mar Frank C 23
#2 Hopkins Peter J 1

Latest patents

Publication Filing date Title
US2343677A Fuse
US2343676A Fuse
US2333942A Fuse
US2292005A Fuse indicator
US2276785A Fuse indicator
US2199835A Plug fuse
US2128418A Indicator
US2225912A Fuse integrity indicator
US2009089A Indicating plug fuse
US2062669A Fuse indicator
US1951310A Fuse integrity indicator
US1951309A Indicating plug fuse
US1989482A Fuse integrity indicator
US1951307A Indicating plug fuse
US1951308A Fuse integrity indicator
US1957546A Indicating plug fuse
US1845756A Fuse
US1793103A Fuse indicator
US1559890A Renewable electric fuse
US1443136A Thermostatic indicator for electric fuses