| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Australia | 2 | |
| #4 | South Africa | 2 | |
| #5 | Canada | 1 | |
| #6 | India | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Mexico | 1 | |
| #9 | Philippines | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harding Bruce L | 14 |
| #2 | Johnson Francis E | 1 |
| #3 | Harding Bruce Lancaster | 1 |
| #4 | Smith Anthony D | 1 |
| #5 | Daniel Lorusso | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4632140A | Top entry ball valve | |
| US4548384A | Top entry metal-seated ball valve | |
| EP0068711A2 | Male-ended valve | |
| EP0055066A1 | Fluid flow control valve | |
| ZA8108083B | Manifold-mounted valve | |
| US4326754A | Valve and actuator assembly for railroad car air brake system | |
| US3528640A | Valve having an indicator for a desired throttled position of the valve | |
| US3401715A | Tamper-proof lock for valves |