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COLE HERSEE COMPANY

Overview
  • Total Patents
    12
About

COLE HERSEE COMPANY has a total of 12 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, transport and machines are GELBEY ETS, KOSTAL FA LEOPOLD and WADE ELECTRIC PRODUCTS CO.

Patent filings in countries

World map showing COLE HERSEE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2

Patent filings per year

Chart showing COLE HERSEE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thomas Unsworth 3
#2 Parolin John J 3
#3 Introvigne Angelo J 2
#4 O'Reilly Michael 2
#5 Cochran Gula V 1
#6 Scribner Dana P 1
#7 Mckechnie Ian C 1
#8 Introvigne Angelo 1

Latest patents

Publication Filing date Title
US5780795A Contactless switching and encoding
US5302141A Compatible trailer connection
US4390761A High current switching
US3965311A Responsive to movement in first and second opposed directions for establishing first and second different interconnections
US3902159A Vehicle warning signal switching apparatus including circuit momentarily interrupted only in response to movement in one or an opposed pair of directions
US3270249A Multi-pole trailer socket
US3176257A Bracket for holding trailer plugs of tractor-trailer vehicles
US3095725A Non-tumbler lock for tumblerless key
US2575147A Electric switch
US2222252A Electrical connector
CA916206A Integral-breaker trailer socket