| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | United States | 2 | |
| #3 | Austria | 1 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | Spain | 1 | |
| #8 | Finland | 1 | |
| #9 | France | 1 | |
| #10 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Equipment Corporation Good Roa | 2 |
| #2 | Coats George A | 2 |
| #3 | Hinton Lutz George | 1 |
| #4 | Luzt George Hinton | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2670430B | Improvement in pavement heaters | |
| ES113454A1 | Improvements in the ducts for pavement heaters. | |
| US1671701A | Self-aligning bearing for power-transmission attachments | |
| US1770024A | Pavement-heater flue | |
| CA307910A | Pavement heater flue |