| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cooper Francis W | 10 |
| #2 | Henry Steadworthy | 5 |
| #3 | Steadworthy Henry | 2 |
| #4 | Yawger William H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008946A | Railway rail movement restraining means | |
| US1578497A | Anchor and clip for rails and the like | |
| US1578496A | Anchor and clip for rails and the like | |
| US1422340A | Anchor and clip for rails and the like | |
| US1379531A | Rail-anchor | |
| US1366558A | Rail-anchor | |
| CA185997A | Rail anchor | |
| CA270409A | Anchor and clip for rails | |
| CA265595A | Rail anchor | |
| CA271072A | Rail anchor | |
| CA274989A | Rail anchor |