| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Mexico | 2 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Control | |
| #4 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dulin Robert D | 5 |
| #2 | Dulin Robert | 4 |
| #3 | Robert D Dulin | 2 |
| #4 | Robert Dulin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7168450B2 | Valve adapter | |
| US6530391B1 | Temperature activated valve | |
| US6408870B1 | Flow control valve |