| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Mexico | 4 | |
| #2 | Australia | 3 | |
| #3 | Brazil | 2 | |
| #4 | New Zealand | 2 | |
| #5 | China | 1 | |
| #6 | Turkey | 1 | |
| #7 | Taiwan | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Cylinders for combustion engines | |
| #3 | Shafts | |
| #4 | Internal-combustion piston engines | |
| #5 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coates George J | 9 |
| #2 | George J Coates | 4 |
| #3 | Coates George Jennings | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NZ540036A | Rotary valve and valve seal assembly for rotary valve engine having hemispherical combustion chambers | |
| BR9000508A | Sphere spinning valve set and perfected spinning inlet valve |