| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | Canada | 5 | |
| #4 | EPO (European Patent Office) | 4 | |
| #5 | China | 3 | |
| #6 | EAPO (Eurasian Patent Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Gearing | |
| #3 | Clutches and brakes | |
| #4 | Rotary-pistons | |
| #5 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Williams Michael V | 20 |
| #2 | Von Gynz-Rekowski Gunther Hh | 18 |
| #3 | Von Gynz-Rekowski Gunther H H | 8 |
| #4 | Herben William C | 5 |
| #5 | Koenig Russell | 5 |
| #6 | Koenis Russell | 4 |
| #7 | Rudy Kevin J | 4 |
| #8 | Von Gynz-Rekowski Gunther | 3 |
| #9 | Herben William | 2 |
| #10 | Vignal Frank R | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2018112466A1 | Drilling motor with bypass and method | |
| WO2017127404A1 | Downhole extended reach tool method | |
| CN108463608A | Drilling device and method | |
| US2018128051A1 | Radial ball bearing and method | |
| US2016208558A1 | Boring apparatus and method | |
| US2016108674A1 | Hammer drill | |
| US2016108677A1 | Up drill apparatus and method | |
| US2016108678A1 | Boring apparatus and method | |
| US2016319883A1 | CV joint for drilling motor and method |