| # | Name | Location | Applications |
|---|---|---|---|
| 1. | W. C. Heraeus GmbH | 🇩🇪 Hanau, Germany | 1 |
| 2. | Wchrenberg Paul J. | 🇺🇸 Palo Alto, CA, United States | 1 |
| 3. | WÄCHTER Christian | 🇩🇪 Paderborn, Germany | 1 |
| 4. | WÄCHTER Christoph | 🇩🇪 Jena, Germany | 3 |
| 5. | WÄCHTER Conrad | 🇩🇪 Dresden, Germany | 1 |
| 6. | WÄCHTER Serge | 🇨🇠Basel, Switzerland | 1 |
| 7. | WÜCHNER Benjamin | 🇩🇪 Ebern, Germany | 1 |