| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 2 | |
| #3 | Germany | 2 | |
| #4 | Switzerland | 1 | |
| #5 | Spain | 1 | |
| #6 | Japan | 1 | |
| #7 | Netherlands | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Rotary pistons | |
| #2 | Unspecified technologies | |
| #3 | Gearing | |
| #4 | Rotary-pistons | |
| #5 | Internal-combustion piston engines | |
| #6 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Christy Charles A | 7 |
| #2 | Christy Charles Albert | 3 |
| #3 | Chiyaaruzu Arubaato Kurisutei | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4024840A | Engine and compressor arrangement | |
| US4011033A | Positive displacement vane type rotary pump | |
| US4019840A | Positive displacement vane type rotary pump | |
| US3918327A | Mechanical movement device |