| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 7 | |
| #2 | United Kingdom | 4 | |
| #3 | South Africa | 3 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lebegue Maurice K | 13 |
| #2 | Keen Ronald W | 4 |
| #3 | Woodford Clarence H Ii | 3 |
| #4 | Sanders Leonard M | 2 |
| #5 | Hornyak Julius N | 1 |
| #6 | Baird John A | 1 |
| #7 | Grumblatt Shawn P | 1 |
| #8 | Blackstock Jon C | 1 |
| #9 | Lebeque Maurice K | 1 |
| #10 | Modzik Andrew E Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9909674D0 | A method and apparatus for supplying water to a mining machine cutter drum | |
| US5921632A | Method and apparatus for extending the cutter drum of a boring machine | |
| US5507565A | Method and apparatus for suppressing dust and frictional ignition on a continuous mining machine |