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HOPKINS DAVID J

Overview
  • Total Patents
    17
About

HOPKINS DAVID J has a total of 17 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets civil engineering are JOHNS ROBERT W, HAN XINPING and TAMROCK VOEST ALPINE BERGTECH.

Patent filings in countries

World map showing HOPKINS DAVID Js patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 Canada 1
#3 United States 1

Patent filings per year

Chart showing HOPKINS DAVID Js patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Shafts
#2 Mining

Top inventors

# Name Total Patents
#1 Hopkins David J 2

Latest patents

Publication Filing date Title
GB0421559D0 Illuminator for glass and transparent shelves
GB0308796D0 Illuminated shelf for ornaments
GB0217466D0 Portable illuminator for glass ornaments
GB0118331D0 Portable illuminator for glass ornaments
GB0004122D0 Low energy light element
GB9913749D0 Audio speaker wire connection system
GB9822257D0 Low voltage to high voltage lighting system
GB9813150D0 A board game for two to four players
GB9707437D0 A board game for two players
GB9625245D0 A discotheque for dolls
GB9511438D0 Lamp for computer keyboards
GB9407602D0 Emergency brake lake for motor vehicles
US5333937A Excavation machine having combined impact hammers and static ripper pick