| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Germany | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Weapons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Renshaw John P | 9 |
| #2 | P Renshaw John | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3319416A | Engine function timing control | |
| US3301244A | Piston stroke control mechanism | |
| US3255745A | Squeeze blade gun | |
| US3232041A | Rotary motor | |
| US3205874A | Rotary type positive displacement energy converting device | |
| US3205873A | Adjustable valving arrangement for positive displacement rotary type energy converting devices | |
| US3221717A | Positive displacement energy converting device | |
| US3012551A | Rotary engine | |
| CA680629A | Rotary engine |