| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | Canada | 4 | |
| #4 | WIPO (World Intellectual Property Organization) | 4 | |
| #5 | China | 3 | |
| #6 | EAPO (Eurasian Patent Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Shafts | |
| #3 | Rotary-pistons | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Von Gynz-Rekowski Gunther Hh | 13 |
| #2 | Herben William Christian | 9 |
| #3 | Von Gynz-Rekowski Gunther H H | 5 |
| #4 | Von Gynz-Rekowski Gunther | 5 |
| #5 | Koenig Russell Wayne | 4 |
| #6 | Williams Michael V | 4 |
| #7 | Mitchell Steven Samuel | 4 |
| #8 | Reeves Mark Allen | 4 |
| #9 | Herben William | 4 |
| #10 | Herben William D | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2020347676A1 | Wear resistant vibration assembly and method | |
| US2020240212A1 | Bent housing drilling motor with counter-rotating lower end | |
| US2020141186A1 | Mud-lubricated bearing assembly with lower seal | |
| US2019330922A1 | Integrated bearing section and method | |
| US2019153797A1 | Vibration assembly and method | |
| EP2831361A1 | Hammer drill |