| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 7 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chicoine Louis P | 15 |
| #2 | Sauve Elzear | 2 |
| #3 | Elzear Sauve | 2 |
| #4 | Keough Robert E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2502246A | Rail-handling tool | |
| US1732804A | Rail-handling tool | |
| US1528529A | Rail unloading and distributing means | |
| US1513089A | Track liner | |
| US1459140A | Track structure | |
| US1444949A | Rail-unloading bar | |
| US1387688A | Track-liner bar | |
| US1387689A | Track-spike | |
| CA219230A | Track liner bar | |
| CA236378A | Track liner | |
| CA474109A | Rail-handling tools | |
| CA213312A | Track spike | |
| CA232838A | Railway track | |
| CA360445A | Shifting carriage for rails | |
| CA273246A | Rail tool |