| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Australia | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Separation | |
| #5 | Fluid dynamics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcculloch Stephen | 10 |
| #2 | Lang Heinrich | 1 |
| #3 | Smith Jerry D | 1 |
| #4 | Brinkley Jimmy | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7469720B2 | High energy dissipative and erosion resistant fluid flow enhancer | |
| US6886598B2 | Choke restrictor devices and methods | |
| WO03002846A1 | Hanger assembly | |
| GB0223200D0 | Debris catcher | |
| AU3086701A | Choke restrictor devices and methods | |
| GB0408759D0 | Choke valve assembly |