| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Cranes | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Farrell Valdemar C | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US3098569A | Boom rigging | |
| US3095977A | Anti-pendulation rigging for cranes | |
| US2754975A | Topping lift rigging for boom type hoisting apparatus | |
| US2707928A | Ship's hatch and cover | |
| US2562087A | Hoisting apparatus | |
| US2564966A | Ship and cargo deck construction | |
| US2466692A | Sea anchor | |
| US2562086A | Hoisting apparatus | |
| US2367718A | Lifeboat drain and plug | |
| CA686126A | Boom rigging | |
| CA511324A | Hoisting apparatus |