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NORMAN DENNES

Overview
  • Total Patents
    13
About

NORMAN DENNES has a total of 13 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United Kingdom. Its main competitors in its focus markets electrical machinery and energy, measurement and thermal processes are WORSLEY FREDERIC STANHOPE, BAG BRONCEWARENFAB AG and GENLYTE GROUP INC.

Patent filings in countries

World map showing NORMAN DENNESs patent filings in countries
# Country Total Patents
#1 United Kingdom 13

Patent filings per year

Chart showing NORMAN DENNESs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB524589A Improvements in electric light fittings
GB486689A Improvements in electric light fittings
GB483837A Improvements in devices for supporting and retaining in position globes, reflectors and the like for electric lighting
GB453162A Improvements in and relating to electric lamp holders
GB411650A Improvements in electric light fittings
GB387072A Improvements in or relating to electric heating appliances
GB371650A Improvements in or relating to electrically heated utensils
GB356305A Improved method of securing studs, rods or the like to sheet metal
GB332703A Improvements in or relating to thermostatic controlling means for electric ovens and like utensils
GB330680A Improvements in or relating to electrically heated utensils
GB323574A Improvements in or relating to thermostatic controlling means for electrically heated ovens or other appliances
GB312823A Improvements in or relating to thermally operated electrical switches
GB310581A Improvements in or relating to thermal electric switches