| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 9 | |
| #2 | United States | 8 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Mexico | 2 | |
| #6 | South Africa | 2 | |
| #7 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Basic materials chemistry | |
| #4 | Macromolecular chemistry and polymers | |
| #5 | Materials and metallurgy | |
| #6 | Mechanical elements | |
| #7 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Machines for making railways | |
| #2 | Working-up pitch | |
| #3 | Building materials | |
| #4 | Shaping of plastics | |
| #5 | Macromolecular compounds compositions | |
| #6 | Clutches and brakes | |
| #7 | Compounding processes | |
| #8 | Fuels | |
| #9 | Unspecified technologies | |
| #10 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mospan John W | 16 |
| #2 | Remington James A | 5 |
| #3 | Golubic Thomas A | 5 |
| #4 | Krupinski Kenneth C | 4 |
| #5 | Snyder David R | 4 |
| #6 | Urmson Jr W Thomas | 4 |
| #7 | Urmson William T | 3 |
| #8 | Saver William E | 3 |
| #9 | Wombles Robert H | 3 |
| #10 | Junk Ronald K | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2021024830A1 | Heat Treatment Process and System for Increased Pitch Yields | |
| US2019127923A1 | Rail joint assembly having forged rail joint bars | |
| CA3003351A1 | Gauge plate insulator | |
| US2014076980A1 | Single bend rail | |
| US2009108086A1 | Notched tie plate insulator | |
| CA2993736A1 | Lap joint |