| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 | |
| #5 | Argentina | 1 | |
| #6 | Brazil | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Spring or inertia motors | |
| #2 | Dynamo-electric machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Levan Wayne P | 3 |
| #2 | Le Van Wayne P | 3 |
| #3 | Levan W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IT1202987B | System for using traffic as source of useful energy - has flexible chamber is road surface connected by fluid filled pipes to energy device via movable piston | |
| US4004422A | Method and apparatus for utilizing moving traffic for generating electricity and to produce other useful work | |
| US3944855A | Method and apparatus for generating electricity by vehicle and pedestrian weight force |