| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Australia | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Domestic stoves | |
| #3 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hirschhorn J | 8 |
| #2 | Hirschhorn Jeremy | 2 |
| #3 | Hirschhorn J. | 2 |
| Publication | Filing date | Title |
|---|---|---|
| AU6812381A | Spring loaded tap | |
| AU6375880A | Self-closing valve | |
| GB191002528A | An Improved Regulating Device for Bunsen-burners. |