| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Basic materials chemistry | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Buttons, pins and buckles | |
| #2 | Producing goods from plastic | |
| #3 | Adhesives | |
| #4 | Shaping of plastics | |
| #5 | Unspecified technologies | |
| #6 | Glue or gelatine preparation | |
| #7 | Punching metal | |
| #8 | Certain plastics | |
| #9 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilcken Dr Hugo | 9 |
| #2 | Wilcken Dipl-Ing Thomas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IE24306L | Making slide fasteners | |
| DE591550C | Casein linerless adhesive film | |
| DE581968C | Carrierless adhesive film made from glutinous protein |