| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 | |
| #4 | Canada | 3 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | United Kingdom | 1 | |
| #7 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Siver Chester A | 14 |
| #2 | O'Callaghan Jeremiah J | 3 |
| #3 | Glavin Michael T | 1 |
| #4 | Taylor Paul W | 1 |
| #5 | Glavin Michael | 1 |
| #6 | Taylor Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2019331254A1 | Indicator disc for determining the position of ball valve | |
| US7267323B1 | Ball valve with cartridge | |
| AU9325998A | Hemispherical ball valve | |
| US5799928A | Ball valve with improved valve seat and bonnet assembly | |
| US5531244A | Hemispherical ball valve | |
| US4597560A | Half-turn valve | |
| CA1187062A | Valve with yoke and captive gland wrench |