| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 3 | |
| #5 | Austria | 1 | |
| #6 | Belgium | 1 | |
| #7 | Spain | 1 | |
| #8 | France | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Langer Heinz Dipl Ing | 3 |
| #2 | Langer Heinz | 2 |
| #3 | Liegel-Seitz Dipl-Ing Guenther | 1 |
| #4 | Breitbach Peter | 1 |
| #5 | Langer H | 1 |
| #6 | Leigel Seitz G | 1 |
| #7 | Peter Breitbach | 1 |
| #8 | Kleisinger Jakob | 1 |
| #9 | Heinz Langer Dipl-Ing | 1 |
| #10 | Jakob Kleisinger | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3719279A | Mounting for prefabricated, large surface, individual filtering layers in horizontal layer filters, having large dimensioned filter elements | |
| DE2145661A1 | METHOD FOR PRODUCING FILTER LAYERS | |
| GB1314066A | Cloths for filter presses | |
| ES351849A1 | Package for shipping large surface filter layers |