| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 26 | |
| #2 | Canada | 16 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Installation of electric cables | |
| #2 | Electric switches | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Lighting device details | |
| #6 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Appleton Ernst G | 29 |
| #2 | Charles Newman | 9 |
| #3 | Newman Charles | 8 |
| #4 | Roach Walter O | 3 |
| #5 | Clarence Williams | 2 |
| #6 | Fischer Albert C | 2 |
| #7 | Appleton Ernest G | 2 |
| #8 | Raymond Mooney | 2 |
| #9 | Briegel Jr Theodore W | 1 |
| #10 | Ludwig Larsen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3262720A | Connector | |
| US3262188A | Method of making electrical conduit connector | |
| US1967722A | Closure for receptacles | |
| US1941997A | Pry-out for switch boxes and the like | |
| US1839250A | Adjustable bracket support | |
| US1928761A | Outlet receptacle | |
| US1820626A | Outlet receptacle | |
| US1840734A | Electric outlet receptacle | |
| US2003602A | Outlet box | |
| US1721724A | Fixture support | |
| US1734322A | Switch box | |
| US1812914A | Three position toggle switch | |
| US1782546A | Box-supporting ear | |
| US1699601A | Switch | |
| US1834758A | Fixture mounting | |
| US1782545A | Switch box | |
| US1639496A | Outlet-box support | |
| US1800813A | Outlet box for electric wires | |
| US1699645A | Switch | |
| US1800924A | Lath support |