| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Transport | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Skates | |
| #4 | Milling | |
| #5 | Unspecified technologies | |
| #6 | Shafts | |
| #7 | Making gears or toothed racks | |
| #8 | Punching metal | |
| #9 | Vehicle wheels | |
| #10 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rice Charles De Los | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1215705A | Multiple-spindle milling-machine and the like. | |
| US1034649A | Roller-skate. | |
| US1035424A | Pneumatic wheel. | |
| US912417A | Friction-relief bearing. | |
| US984708A | Belt-gearing. | |
| US981390A | Belt-gearing. | |
| US1022756A | Belt-gearing. | |
| US817669A | Shipping box or crate. | |
| US775735A | Machine element. | |
| US773591A | Multiple-spindle drill-press. | |
| US744110A | Gear-cutting machine. | |
| GB190104312A | Improvements in Forging Machines. | |
| GB189823968A | Improvements in Gear Cutting Machines. | |
| US669103A | Forging-machine. |