| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Machine tools | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Unspecified technologies | |
| #3 | Foundry moulding | |
| #4 | Casting metal | |
| #5 | Cylinders for combustion engines | |
| #6 | Special machines | |
| #7 | Sawing | |
| #8 | Milling | |
| #9 | Making forged metal products | |
| #10 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hook Henry C | 6 |
| #2 | Brand Harold H | 2 |
| #3 | Amick Clair J | 1 |
| #4 | Frank Jardine | 1 |
| #5 | Gibson William A | 1 |
| #6 | Blank Merton H | 1 |
| #7 | Marius Guyot | 1 |
| #8 | Ferdinand Jehle | 1 |
| #9 | Parkhurst Frederic A | 1 |
| #10 | Allyne Edmund E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1449097A | Multipart core | |
| US1580491A | Piston | |
| US1463247A | Metal mold | |
| US1449085A | Sectional core | |
| US1458294A | Swaging apparatus | |
| US1420903A | Metal mold | |
| US1516664A | Wheel | |
| US1440603A | Profiling machine | |
| US1440602A | Combined boring and milling machine | |
| US1440549A | Piston | |
| US1426738A | Blank holding and ejecting mechanism | |
| US1441502A | Broach | |
| US1441503A | Broaching tool | |
| US1495478A | Mold | |
| US1426138A | Piston |