| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Canada | 2 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Civil engineering | |
| #4 | Packaging and shipping | |
| #5 | Machines | |
| #6 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willingham John H | 11 |
| Publication | Filing date | Title |
|---|---|---|
| EP2791498A2 | Power generating floating vessel | |
| US4590848A | Cooker | |
| US4244682A | Portable concrete molding apparatus | |
| US4136492A | Industrialized building construction | |
| US3894373A | Industrialized building construction | |
| US3868023A | Crane with boom attachment | |
| CA974018A | Tee and channel construction system | |
| US2989215A | Dispenser for material containers |