| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 12 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Couplings | |
| #2 | Railway brakes | |
| #3 | Vehicle parts | |
| #4 | Springs |
| # | Name | Total Patents |
|---|---|---|
| #1 | Camp Percy B | 3 |
| #2 | Peterson Bertil E | 3 |
| #3 | Wilson Jack | 2 |
| #4 | Daugherty David W Jr | 1 |
| #5 | Kanjo Wajih | 1 |
| #6 | Campbell David S | 1 |
| #7 | Housman Richard J | 1 |
| #8 | Natschke Eldred H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA973232A | Cushioned bumper for scrapers | |
| CA961808A | Method and device for removing draft gear | |
| CA325136A | Brake mechanism | |
| CA330494A | Railway car hand brake | |
| CA324097A | Hand brake mechanism | |
| CA512014A | Stabilized truck | |
| CA582367A | Hand brake for railroad cars | |
| CA324096A | Brake slack adjuster |