| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Working-up pitch | |
| #3 | Containers for goods storage | |
| #4 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heller Anton H | 8 |
| #2 | Heller A | 1 |
| #3 | Heller Anton Henry | 1 |
| #4 | O'Brien William J | 1 |
| #5 | St Louis Russell A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1174132A | Asphalt reclamation system and unit | |
| US4418682A | Asphalt reclamation unit | |
| US4192288A | Material heating apparatus | |
| GB1284164A | A heatable storage unit | |
| GB1339134A | Asphalt handling apparatus | |
| US3577976A | Heated asphalt storage unit | |
| US3564985A | Pavement restoration apparatus |