| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Hong Kong | 1 | |
| #5 | Mexico | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Machine tools | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Pumps | |
| #3 | Earth drilling | |
| #4 | Unspecified technologies | |
| #5 | Making forged metal products | |
| #6 | Forging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cox Edward P | 8 |
| #2 | Johnson Daniel E | 8 |
| #3 | Pitzer Jr Starr L | 4 |
| #4 | Daniel E Johnson | 3 |
| #5 | Edward P Cox | 3 |
| #6 | Pitzer Starr L Jr | 2 |
| #7 | Pitzer Starr L | 2 |
| #8 | Starr L Pitzer | 1 |
| #9 | Starr L Pitzer Jr | 1 |
| #10 | Starr L Pitzler Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2021048020A1 | Multi-Part Valve Assembly | |
| CA3013999A1 | Multi-part valve assembly | |
| US2017356440A1 | Multi-part valve assembly | |
| CA2906761A1 | Multi-part valve assembly |