| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | Netherlands | 2 | |
| #6 | Australia | 1 | |
| #7 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Implantable devices | |
| #2 | Diagnosis and surgery | |
| #3 | Syringes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schouwenburg Paul Ferdinand | 15 |
| Publication | Filing date | Title |
|---|---|---|
| AU1446499A | Speech valve assembly | |
| EP0906070A1 | Kit for implantation of a voice prosthesis in patients on whom a laryngectomy has been performed | |
| NL1004042C2 | Voice Prosthesis with improved sealing. | |
| NL1000355C2 | Voice prosthesis. |