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HAWTHORNE ELLSWORTH A

Overview
  • Total Patents
    69
About

HAWTHORNE ELLSWORTH A has a total of 69 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, transport and mechanical elements are LIGHT BOY CO LTD, GOLIGHT INC and F W WAKEFIELD BRASS COMPANY.

Patent filings in countries

World map showing HAWTHORNE ELLSWORTH As patent filings in countries
# Country Total Patents
#1 United States 62
#2 Canada 6
#3 United Kingdom 1

Patent filings per year

Chart showing HAWTHORNE ELLSWORTH As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hawthorne Ellsworth A 69
#2 Sheble Horace 1
#3 Merril George W Jr 1
#4 Klumpp Gottlob 1

Latest patents

Publication Filing date Title
US1427291A Lamp
US1379761A Lamp-bracket
US1369892A Lighting apparatus
US1378952A Electrical connection
US1370585A Lamp-supporting bracket
US1353748A Electrical connection
US1402353A Illuminating apparatus
US1381637A Illuminating apparatus
US1361852A Illuminating apparatus
US1299723A Mounting for framed elements.
US1356145A Lighting apparatus
US1242186A Lamp.
US1242185A Lamp.
US1368722A Lighting apparatus
US1401402A Bracket
US1356144A Illuminating apparatus
US1402352A Lamp
US1380100A Lamp
US1239595A Clamp.
US1215274A Door and glazing retainer.