| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 9 | |
| #2 | United States | 7 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Winches | |
| #2 | Cranes | |
| #3 | Railway systems | |
| #4 | Unspecified technologies | |
| #5 | Motor vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcintyre Sidney S | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US2671639A | Drum interlocking and power regenerative braking system | |
| US2705175A | Frame suspsension for a hositing engine mounted on crawler tracks | |
| US2600066A | Open side cable carriage | |
| US2558306A | Log-handling derrick | |
| US2600065A | Power transmission mechanism | |
| US2405156A | Hoist | |
| US2450605A | Hoist | |
| CA460208A | Power divider | |
| CA445827A | Power transmission mechanism | |
| CA441994A | Hoist | |
| CA514062A | Variable speed transmission | |
| CA214646A | Winding engine | |
| CA504740A | Regenerative brake | |
| CA476645A | Log-handling derricks | |
| CA441995A | Hoist | |
| CA487908A | Open side cable carriage |