| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bunyard Alan D | 4 |
| #2 | Bunyard Alan Donald | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB9404961D0 | Housing | |
| GB9213113D0 | Stainless steel case | |
| GB9126064D0 | Flow moderator | |
| EP0022644A1 | Piston-rack rotary actuator | |
| US4167897A | Rotary actuators | |
| US3537358A | Rotary actuators | |
| CA877066A | Rotary actuators | |
| CA917537A | Valves |