| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 23 | |
| #2 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Control | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Measuring volume | |
| #4 | Testing of structures | |
| #5 | Pipes | |
| #6 | Pipe-line systems | |
| #7 | Systems controlling non-electric variables | |
| #8 | Cleaning | |
| #9 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grove Marvin H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1520864A | Flow distributing system | |
| GB1457490A | Sphere launcher and meter prover apparatus | |
| GB1464108A | Flow control apparatus | |
| GB1414440A | Valve with lubricant seal | |
| GB1414108A | Sphere launcher and meter prover apparatus and method | |
| GB1422012A | Valve apparatus and method | |
| GB1378627A | Apparatus and method incorporating leak detection |