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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 62 | |
#2 | Canada | 6 | |
#3 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Transport | |
#3 | Mechanical elements | |
#4 | Environmental technology | |
#5 | Machines | |
#6 | Consumer goods |
# | Name | Total Patents |
---|---|---|
#1 | Hawthorne Ellsworth A | 69 |
#2 | Sheble Horace | 1 |
#3 | Merril George W Jr | 1 |
#4 | Klumpp Gottlob | 1 |
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. |