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HAMILTON DOUGLAS L P

Overview
  • Total Patents
    11
About

HAMILTON DOUGLAS L P has a total of 11 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, transport and civil engineering are ENSTO BUSCH JAEGER OY, OBO BETTERMANN PRODUKTION DEUTSCHLAND GMBH & CO KG and Jiangsu huapeng electric power equipment co ltd.

Patent filings in countries

World map showing HAMILTON DOUGLAS L Ps patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 4

Patent filings per year

Chart showing HAMILTON DOUGLAS L Ps patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hamilton Douglas L P 9
#2 Nunn Ewing D 2

Latest patents

Publication Filing date Title
US3677595A Automobile bumper
US3604835A Terminal enclosure for buried cable plant
US3431349A Cable terminal enclosure with grounding cross bar
US3506959A Barricade with flashing signal
US3435126A Means securing a cable sheath to a grounding and supporting member
US3257496A Tap enclosure for use with underground utility cables
US3253177A Surge protector
CA829139A Barricade with flashing signal
CA901138A Terminal enclosure for buried cable plant
CA844209A Protective enclosure for the junction between a buried utility cable and an underground service lead and method of making the same
CA776244A Surge protector