| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 5 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Gas, coke and tar production | |
| #2 | Pistons and sealings | |
| #3 | Drying solid materials by removing liquid |
| # | Name | Total Patents |
|---|---|---|
| #1 | Limberg Josef | 7 |
| #2 | Josef Limberg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB919573A | Locking device for coke-oven doors | |
| GB917603A | Pressure device for coke-oven doors | |
| US2920017A | Lock for coke-oven filling holes | |
| GB826064A | Improvements in or relating to charging hole covers for coke oven chambers and the like | |
| GB824035A | Improvements in or relating to self-sealing coke oven doors | |
| GB451926A | Improvements in charging hole shutters for coke ovens, retorts and the like |