| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Materials and metallurgy | |
| #6 | Environmental technology | |
| #7 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brooke Frank W | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US3258256A | Mechanical rabble | |
| US3180724A | Method and apparatus for pre-conditioning metal charge materials | |
| US3147107A | Immersion melting | |
| US2804295A | Apparatus for preheating and conditioning scrap metal | |
| US2606015A | Open-hearth furnace | |
| US2459990A | Track joint lubrication | |
| US2325303A | Self-locking nut | |
| US2286668A | Manufacture of holding caps for self-locking nuts | |
| US2286336A | Self-locking nut and method of making same | |
| US2286667A | Self-locking nut | |
| US1736248A | Bar-heating furnace | |
| US1654678A | Bar-heating furnace | |
| US1727097A | Bar-heating furnace | |
| CA767570A | Mechanical rabble | |
| CA758528A | Immersion melting |