| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | United States | 3 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Winches | |
| #2 | Cranes | |
| #3 | Vehicle wheels | |
| #4 | Unspecified technologies | |
| #5 | Venting or aerating devices | |
| #6 | Transport or storage devices | |
| #7 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Glenn S | 12 |
| #2 | Smith Gelnn S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2017452A1 | Low-profile lifting apparatus | |
| CA2006799A1 | Motorized low-profile lifting apparatus | |
| US4830049A | Pneumatic pendant | |
| US4695010A | Levelwind mechanism | |
| CA1248055A | Monorail load transport apparatus | |
| EP0212024A1 | Monorail load transport apparatus | |
| US4552073A | Suspended load transport apparatus |