| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 13 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Railway brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Huntoon Charles Francis | 14 |
| #2 | Perry Hubert M | 1 |
| #3 | Laughlin Henry David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA130717A | Brake beam | |
| CA133360A | Brake mechanism | |
| US895269A | Brake-beam. | |
| CA236239A | Assembling machine | |
| CA271706A | Truck bolster | |
| CA206047A | Brake beam | |
| CA271705A | Brake beam support | |
| CA226537A | Brake beam support | |
| CA206046A | Brake beam strut | |
| CA263127A | Truck bolster | |
| CA263126A | Spring mechanism | |
| CA271704A | Brake beam | |
| CA220364A | Brake beam | |
| CA271097A | Brake beam |