| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Brazil | 1 | |
| #6 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes | |
| #3 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sharp Allan | 6 |
| #2 | Sharp Allan Cassells | 4 |
| Publication | Filing date | Title |
|---|---|---|
| AU6615701A | Double metal seal for flanged connections | |
| GB0103576D0 | Pump | |
| GB0000314D0 | Pump | |
| GB9900188D0 | Pump | |
| AU3550997A | Simultaneous production and water injection well system | |
| BR9711293A | christmas tree for mechanical adjustment and fixation to a wellhead and process for simultaneous but separate production of hydrocarbons from sectors of a reservoir in a single drilled well and for simultaneous or singular injection of water into the underlying aquifer. |