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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Transport | |
#3 | Machines | |
#4 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Electric switches | |
#2 | Vehicle signalling and lighting | |
#3 | Electrically-conductive connections | |
#4 | Unspecified technologies | |
#5 | Locks | |
#6 | Vehicle connections |
# | 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 |
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 |