| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 17 | |
| #2 | United States | 8 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Installation of electric cables | |
| #3 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Platz Elwood T | 13 |
| #2 | Herrmann John A | 6 |
| #3 | Frank William H | 4 |
| #4 | Davis Russell S | 4 |
| #5 | Messing Joseph A | 2 |
| #6 | Robertson William | 2 |
| #7 | Schwartz Bert B | 2 |
| #8 | Habermann William A | 2 |
| #9 | Fisher Lawrence E | 2 |
| #10 | Higgins Louis W | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2824930A | Circuit breaker | |
| US2696541A | Circuit breaker | |
| US2681397A | Circuit breaker | |
| US2700706A | Trolley and duct system | |
| US2696532A | Trolley type electric current collector | |
| US2681392A | Trolley duct | |
| US2675434A | Trolley duct | |
| US2740011A | Switches | |
| CA523913A | Switches | |
| CA492568A | Panelboards | |
| CA502257A | Multipole switches | |
| CA551213A | Trolley and duct system | |
| CA580708A | Electric switch | |
| CA509009A | Remote control electrical systems | |
| CA535479A | Circuit breakers | |
| CA554120A | Rotary handle operated electric switches | |
| CA546240A | Trolley duct | |
| CA517095A | Panelboard neutral bar | |
| CA408085A | Electric switching apparatus | |
| CA554121A | Trolley duct |