| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | China | 2 | |
| #5 | Brazil | 1 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Chemical engineering | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Manufacturing processes | |
| #2 | Transport or storage devices | |
| #3 | Details of furnaces | |
| #4 | Furnaces | |
| #5 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spezzani Stefano | 13 |
| Publication | Filing date | Title |
|---|---|---|
| CN102741180A | Roller cleaning device | |
| BR0315882A | Method and process for molding, annealing and quenching of glass sheets or similar materials | |
| AU2003274704A1 | A kiln for heating sheets of glass |