| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Australia | 1 | |
| #3 | Indonesia | 1 | |
| #4 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | IT methods for management | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Data processing systems | |
| #2 | Control or regulating systems | |
| #3 | Unspecified technologies | |
| #4 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bjornson Carl C | 15 |
| #2 | Greenlie David G | 7 |
| #3 | Graanlie David G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6550779B2 | Mechanical split seal | |
| US6505145B1 | Apparatus and method for monitoring and maintaining plant equipment | |
| US6173210B1 | Apparatus and method for selecting a mechanical seal |