| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Construction of bridges | |
| #2 | Machines for making railways | |
| #3 | Construction of roads | |
| #4 | Scaffolding | |
| #5 | Separation | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Haydu Joseph | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CA2971696A1 | Ballast mats and methods of forming the same | |
| US2017328019A1 | Ballast mats and methods of forming the same | |
| CA2858220A1 | Waterproof expansion joint | |
| US8826481B1 | Waterproof expansion joint | |
| US2014130271A1 | Integrated ballast mat | |
| US7837906B1 | Systems and methods for treating air chambers in aeration basins of wastewater treatment facilities |