STEEL CITY ELECTRIC COMPANY has a total of 12 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machines and mechanical elements are DERVAUX ETS, PDL IND LTD and GILLEMOT GEORGE W.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 3 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Furniture and games | |
#5 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Installation of electric cables | |
#2 | Electrically-conductive connections | |
#3 | Unspecified technologies | |
#4 | Nails | |
#5 | Scaffolding | |
#6 | Unspecified technologies | |
#7 | Office furniture |
# | Name | Total Patents |
---|---|---|
#1 | Lang William A | 10 |
#2 | Cook Raymond D | 8 |
#3 | Johnson Richard E | 1 |
#4 | Bickerstaff Jr George W | 1 |
Publication | Filing date | Title |
---|---|---|
US3141059A | Receptacle mounting plate | |
US3232472A | Electrical device box | |
US3122604A | Ground clip for electrical outlet and switch boxes | |
US3025338A | Outlet box supports | |
US3021581A | Ground clip for electrical outlet and switch boxes | |
US2925236A | Hanger bars for electric outlet boxes | |
US2937837A | Outlet box support bracket | |
US2911242A | Corner connector | |
US2738894A | Switch box | |
CA723794A | Electrical device comprising a ground clip | |
CA654243A | Ground clip for switch and outlet boxes | |
CA616914A | Hanger bars for electric outlet boxes |