| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Italy | 2 | |
| #3 | Sweden | 2 | |
| #4 | Australia | 1 | |
| #5 | Germany | 1 | |
| #6 | Denmark | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Measurement | |
| #4 | Transport | |
| #5 | Engines, pumps and turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leisenberg M | 5 |
| Publication | Filing date | Title |
|---|---|---|
| WO7900492A1 | Burning method in a coal tunnel kiln and coal burner for tunnel kiln | |
| GB1451940A | Conveying system for the transport of tunnel kiln trucks | |
| GB1429546A | Method and device for lowering the temperature in tunnel kilns | |
| GB1384275A | Drying apparatus for ceramic articles |