| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Mexico | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dawson Stephen M | 12 |
| #2 | Deweese Michael L | 7 |
| #3 | Anderson Gary D | 7 |
| #4 | Stephen M Dawson | 1 |
| #5 | Michael L Deweese | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP3245431A1 | Magnetic rotary seal with improved drain back | |
| US6805358B2 | Magnetic seal |