| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | United States | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | New Zealand | 2 | |
| #5 | China | 1 | |
| #6 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Spring or inertia motors | |
| #2 | Dynamo-electric machines | |
| #3 | Unspecified technologies | |
| #4 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barreiro Manuel Vieira | 10 |
| #2 | Barreiro Manuel V | 2 |
| #3 | Vieira Barreiro Manuel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2003232517A1 | An energy converter delivering sustained energy output with intermittent energy input | |
| WO0142648A1 | Spring motor for generating electrical energy | |
| AU7763600A | Spring motor for generating electrical energy | |
| AU5512100A | Electrodynamic machine |