| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | South Africa | 7 | |
| #3 | Australia | 6 | |
| #4 | Canada | 4 | |
| #5 | China | 3 | |
| #6 | WIPO (World Intellectual Property Organization) | 3 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Transport | |
| #4 | Packaging and shipping | |
| #5 | Machines | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clonch David M | 21 |
| #2 | Riffe Shirley D | 9 |
| #3 | Cook Michael J | 7 |
| #4 | Boyd Fred D | 6 |
| #5 | Gibson Jim | 6 |
| #6 | Boyd Freddy D | 6 |
| #7 | Looney Jeff | 6 |
| #8 | Smith Timothy W | 4 |
| #9 | Scott Melvin E | 4 |
| #10 | Cox Michael S | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US6113342A | Self-aligning battery changing system for electric battery-powered vehicles | |
| US6264262B1 | Tailgate design | |
| CN1205046A | Drilling apparatus | |
| US5839564A | Adjustable yoke assembly | |
| US6308819B1 | Advancing tailpiece | |
| US5794721A | Drilling apparatus | |
| US5975283A | Vertical belt conveyor system | |
| US5584611A | Roof support for underground excavations | |
| US5664932A | Pivoted lifting device | |
| US5341920A | Load sensitive conveyor training apparatus | |
| US5312206A | High lift temporary roof support for mines | |
| US4570741A | Multi-wheel drive system |