| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | India | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Locomotives | |
| #3 | Railway shifting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Moore Roy J | 4 |
| #2 | Coy Calvin L | 4 |
| #3 | Cotsford Stephen G | 3 |
| #4 | Otsford G Stephen | 1 |
| #5 | Baudin Daniel | 1 |
| #6 | Coy Calvin Leroy | 1 |
| #7 | Moore Roy James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4858344A | Undercutter with rotary trencher | |
| US4899664A | Split workhead |