| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 14 | |
| #2 | Australia | 6 | |
| #3 | Germany | 5 | |
| #4 | United States | 5 | |
| #5 | South Africa | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Venting or aerating devices | |
| #3 | Pipes | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Elliott-Moore Peter | 10 |
| #2 | Brown Stephen Arthur | 7 |
| #3 | Woodford Brian John | 7 |
| #4 | Crossland Peter | 4 |
| #5 | Stone Simon Richard | 4 |
| #6 | Longford James Brett | 3 |
| #7 | Peter Elliott-Moore | 2 |
| #8 | Woodford Brian J | 2 |
| #9 | Sleigh Neville John Harper | 2 |
| #10 | Brown Stephen A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB9303905D0 | Hydraulic connection devices | |
| GB9300544D0 | A yield valve | |
| GB9215637D0 | Rotary valve assembly | |
| GB9016279D0 | A pressure relief device | |
| GB9009859D0 | A mine roof support | |
| GB9009584D0 | Mine roof supports | |
| GB8929160D0 | Mine roof support | |
| GB8928148D0 | Mine roof supports | |
| GB8925547D0 | Mine roof support assembly |