| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | United States | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Mexico | 1 | |
| #9 | Taiwan | 1 | |
| #10 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Horton David | 8 |
| #2 | Horton David R | 4 |
| Publication | Filing date | Title |
|---|---|---|
| AU2003901224A0 | A valve | |
| AUPS259302A0 | A valve | |
| AUPS024502A0 | A non-return valve | |
| ZA200200257B | A non-return valve. | |
| TW459111B | A non-return valve | |
| AU5055200A | A non-return valve | |
| BR0011698A | Retention valve |