| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Electrical machinery and energy | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Unspecified technologies | |
| #3 | Vehicle wheels | |
| #4 | Vehicle servicing | |
| #5 | Earth drilling | |
| #6 | Clutches and brakes | |
| #7 | Shafts | |
| #8 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Noros George C | 5 |
| #2 | James Bowen | 3 |
| #3 | Schreck Irvin F | 2 |
| #4 | Mann Chester S | 1 |
| #5 | Streeper Charles W | 1 |
| #6 | Kulp Harry W | 1 |
| #7 | Hoffman Paul R | 1 |
| #8 | Bowen James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2618362A | Truck lock | |
| US2493824A | Industrial hand truck | |
| US2339940A | Movable truck jack | |
| US2241714A | Movable truck jack | |
| US2241713A | Movable truck jack | |
| US2202068A | Directional control means for movable trucks and the like | |
| US2154525A | Caster control means for movable trucks and the like | |
| US2132973A | Caster control means for movable trucks and the like | |
| US1816002A | Antifriction bearing for line shafts and the like | |
| US1680446A | Caster | |
| US1588300A | Caster | |
| US1040866A | Friction-clutch. | |
| US1037682A | Compression-coupling for shafts. |