| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 59 | |
| #2 | Canada | 25 | |
| #3 | Switzerland | 2 | |
| #4 | France | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koppitz Carl G | 31 |
| #2 | Carlisle George L | 13 |
| #3 | Rudd Harold H | 10 |
| #4 | Massey Hemsley B | 8 |
| #5 | Kirk Ralph L | 5 |
| #6 | Kast Samuel H | 5 |
| #7 | Kradel Fred L | 4 |
| #8 | Kerr Benjamin W | 3 |
| #9 | Zeth Arthur M | 2 |
| #10 | De Bellis Aldo M | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2383795A | Interrupter switch | |
| US2400936A | Line shorting contactor | |
| US2420485A | Electrical switch with kinetic energy dissipating means | |
| US2309909A | Electrical switch | |
| US2328283A | Disconnect switch | |
| US2297170A | Heavy duty delta connection | |
| US2284742A | Switch jaw | |
| US2293310A | Metal-enclosed bus structure | |
| US2335543A | Electrical bus system | |
| US2229006A | Disconnect switch | |
| US2281266A | Circuit interrupter | |
| US2181664A | Electrical bus system | |
| US2164231A | Disconnect switch | |
| US2275203A | Electrical bus system | |
| US2166061A | Interlock system | |
| US2223300A | Electrical bus construction | |
| US2204300A | Fused cutout | |
| US2114940A | Electrical connecter | |
| US2204299A | Repeater circuit breaker | |
| US2204298A | Fuse cutout |