| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | South Africa | 4 | |
| #3 | United States | 3 | |
| #4 | China | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kelsey Christopher George | 13 |
| #2 | Mckenzie Ian Roy | 7 |
| #3 | Christopher George Kelsey | 4 |
| #4 | Kelsey Christopher G | 3 |
| #5 | Ian Roy Mckenzie | 2 |
| #6 | Mckenzie Ian R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2344888A | Valve with juxtaposed cocks | |
| US4889317A | Proportional flow control valve | |
| US4858887A | Valve and valve roller sealing | |
| ZA8707226B | Improved valve | |
| ZA8707225B | Improved valve | |
| GB8719098D0 | Valve | |
| GB8719099D0 | Valve | |
| US4842245A | Valve | |
| AU7682287A | Valve with dual side-by-side cylindrical plugs | |
| AU7682387A | Valve with dual side-by-side cylindrical plugs |