| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | France | 3 | |
| #3 | Belgium | 1 | |
| #4 | Denmark | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Electrical machinery and energy | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Belts or cables for driving | |
| #2 | Shaping of plastics | |
| #3 | Making metal chains | |
| #4 | Fillers | |
| #5 | Certain plastics | |
| #6 | Cables and insulators | |
| #7 | Metal wire processing | |
| #8 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gerhardt Dipl-Ing Woldemar | 3 |
| #2 | Puengel Wilhelm Dr-Ing | 2 |
| #3 | Koch Dr-Ing Paul | 2 |
| #4 | Widera Otto | 1 |
| #5 | Puengel Dr-Ing Wilhelm | 1 |
| #6 | Woldemar Gerhardt | 1 |
| #7 | Bohnenkamp Dipl-Ing Wilhelm | 1 |
| #8 | Voigt Heinrich | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3153898A | Ringshaped members made from plastic material | |
| FR1302688A | Manufacturing process of annular electrical insulators | |
| FR1277546A | Link chain made of a synthetic material reinforced with mineral fibers | |
| GB830567A | Improvements relating to chains of synthetic material | |
| FR1185563A | Synthetic material chain |