| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Unspecified technologies | |
| #3 | Railway brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Osborn Warren M | 11 |
| #2 | Wade Reginald N | 2 |
| #3 | Welp Herman T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2722291A | Brake beam construction | |
| US1518870A | Rail-anchor plate | |
| US1444205A | Rail-anchor method | |
| US1510339A | Rail-anchoring clip | |
| US1413055A | Rail-anchoring device | |
| US1510338A | Railway-tie plate | |
| US1347969A | Rail-anchor tie-plate | |
| US1362732A | Railway-tie plate | |
| US1334673A | Tie-plate for rails | |
| CA239237A | Rail anchor method | |
| CA203568A | Rail tie plate | |
| CA244957A | Car stop |