| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | Italy | 1 | |
| #8 | Mexico | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bucknam Donald C | 10 |
| #2 | Bucknam D C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4484082A | Power plant and process utilizing gravitational force | |
| US4399368A | Power plant and process utilizing gravitational force | |
| AU7725881A | Power plant and process utilizing gravitational force | |
| US4342920A | Power plant and process utilizing gravitational force |