| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 139 | |
| #2 | United States | 47 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Measurement | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Couplings | |
| #2 | Rail vehicle suspensions | |
| #3 | Railway bodies | |
| #4 | Railway equipment | |
| #5 | Doors and windows | |
| #6 | Unspecified technologies | |
| #7 | Punching metal | |
| #8 | Clutches and brakes | |
| #9 | Measuring force, work and fluid pressure |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miner William H | 90 |
| #2 | O'Connor John F | 59 |
| #3 | Johnson George A | 11 |
| #4 | Haseltine Stacy B | 5 |
| #5 | Lewis Goodrich Q | 4 |
| #6 | Dath Charles E | 4 |
| #7 | Patch Calvin B | 2 |
| #8 | Harris Joseph | 2 |
| #9 | Geiger William A | 1 |
| #10 | O'Conner John F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1485799A | Center bearing for cars | |
| US1448497A | Friction shock-absorbing mechanism | |
| US1357793A | Side bearing for railway-cars | |
| CA194510A | Railway draught rigging | |
| CA194302A | Stop casting | |
| CA194297A | Friction gear | |
| CA194300A | Draft rigging for railway cars | |
| US1391066A | Box-car end | |
| CA191627A | Friction gear | |
| CA193543A | Brake for railway cars | |
| CA191626A | Draft rigging for railway cars | |
| US1432198A | Reenforced wood box-car end | |
| CA193719A | Bearing | |
| CA191623A | Draft rigging for cars | |
| CA192800A | Nut lock | |
| CA191622A | Draft gear for railway cars | |
| CA191753A | Roller bearing | |
| CA190876A | Yoke for draft mechanism | |
| CA190782A | Draft yoke | |
| CA190783A | Draft gear yoke |