| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Australia | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Consumer goods | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Motor vehicles | |
| #2 | Vehicle connections | |
| #3 | Transport or storage devices | |
| #4 | Cranes | |
| #5 | Footwear features | |
| #6 | Finishing work on buildings | |
| #7 | Footwear laces | |
| #8 | Construction of roads | |
| #9 | Lifting and pushing | |
| #10 | Load transportation vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wulff Lawrence H | 14 |
| Publication | Filing date | Title |
|---|---|---|
| AU2009270288A1 | Roll coupling trailer hitch assembly | |
| WO2009009874A1 | Roll coupling trailer hitch assembly | |
| CA2238806A1 | Aggregate hauling, spreading and compacting machine | |
| CA2113949A1 | Foot mountable drywall positioning device | |
| CA2111647A1 | Sheet material carrying device |