| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hart Lester C | 17 |
| #2 | Luehring Elmer L | 6 |
| #3 | Rittenhouse Joseph W | 2 |
| #4 | Poe Harry E | 2 |
| #5 | Hart Lester Crampton | 1 |
| #6 | Seaman Harold E | 1 |
| #7 | Kuhns John H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2955181A | High voltage switch mechanism | |
| US2915611A | Tandem vacuum switches | |
| US2918588A | Means and methods for switching a polyphase capacitor bank | |
| US2714874A | Switch operating mechanism | |
| US2514263A | Air-break switch | |
| US2583174A | Electric switch or circuit breaker | |
| US2240260A | High tension fuse construction | |
| US2199746A | Fuse link | |
| US2237933A | Enclosed fuse | |
| US2102204A | Fuse protective circuit | |
| US2020887A | Tilting switch | |
| US1962305A | Switch | |
| US1944235A | Multiple pole switch | |
| US1930804A | Fuse | |
| US1851250A | Disconnecting fuse | |
| US1829349A | Switch | |
| US1717449A | High-voltage switch | |
| US1605543A | Inclosed fuse | |
| US1486960A | Expulsion fuse box | |
| US1530721A | Lightning arrester |