| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | France | 3 | |
| #3 | United States | 3 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Electrical machinery and energy | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Cranes | |
| #3 | Magnets and transformers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Townsend Arthur J | 8 |
| #2 | Naugle Harry M | 8 |
| Publication | Filing date | Title |
|---|---|---|
| US2025301A | Centrifugal molding apparatus | |
| US1957719A | Lifting device | |
| US1957718A | Method of centrifugal molding | |
| CA344934A | Centrifugal moulding apparatus | |
| CA339397A | Steel product manufacture | |
| CA352226A | Massive ring bloom | |
| CA339097A | Bloom, slab and billet manufacture | |
| CA340450A | Lifting device |