| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging | |
| #2 | Percussive tools | |
| #3 | Venting or aerating devices | |
| #4 | Pipes | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hall Raymond John | 8 |
| #2 | Burton Ian S | 3 |
| #3 | Hall Raymond J | 2 |
| #4 | Dean Kenneth Ian Dutfield | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9206978D0 | Improvements in pneumatic power tools | |
| US4811756A | Safety valve | |
| GB8508616D0 | Threaded bush setting tool | |
| GB8410235D0 | Safety valve | |
| US4592430A | Fluid-pressure operated tools |