| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Switzerland | 5 | |
| #3 | Italy | 5 | |
| #4 | United Kingdom | 4 | |
| #5 | France | 3 | |
| #6 | Austria | 2 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping | |
| #3 | Textiles and paper | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Textile treatments | |
| #2 | Handling thin material | |
| #3 | Spinning | |
| #4 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gretener Albert | 7 |
| #2 | Albert Gretener | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE2431791A1 | Double cone winding spool - cone supported by plastics end piece fitted onto hollow core | |
| GB1453110A | Radially compressible bobbin tube | |
| GB1453510A | Axially compressible or elastic package support | |
| US3884428A | Spindle guide for a drawtwisting tube | |
| GB1381641A | Method of manufacturing a balanced bobbin | |
| GB1329494A | Machine for injection moulding synthetic materials |