| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Transport | |
| #5 | Chemical engineering | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pumps | |
| #3 | Clutches and brakes | |
| #4 | Vehicle wheels | |
| #5 | Gearing | |
| #6 | Load transportation vehicles | |
| #7 | Steam condensers | |
| #8 | Separating solids using liquids | |
| #9 | Milling | |
| #10 | Lubricating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holzer Hiram A | 8 |
| #2 | Bodine William I | 3 |
| #3 | Solomon Charles R | 2 |
| #4 | Strawn Wilbert L | 1 |
| #5 | Roades Weslie M | 1 |
| #6 | Hornsby Henry T | 1 |
| #7 | Freeman John Welker | 1 |
| #8 | Weston Thomas R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2240535A | Lump breaking apparatus | |
| US2196451A | Method of and apparatus for separating, washing, and grading lump materials | |
| US2190070A | Pumping unit | |
| US2203148A | Pumping unit | |
| US2123587A | Detachable counterbalance | |
| US2017970A | Dump trailer | |
| US1329882A | Flooded ammonia-condenser | |
| US1218898A | Spool-flange for bull-wheel shafts. | |
| US1144302A | Mine-car wheel. | |
| US1198002A | Refrigerating-machine. | |
| US1068623A | Refrigerating apparatus. | |
| US1074363A | Mine-car wheel. | |
| US1058974A | Friction-clutch pulley. | |
| US1011180A | Gearing. | |
| US820115A | Brake-shoe. |