| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 3 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Construction of roads | |
| #3 | Unspecified technologies | |
| #4 | Gearing | |
| #5 | Servomotors | |
| #6 | Cyclically operating valves | |
| #7 | Venting or aerating devices | |
| #8 | Scaffolding | |
| #9 | Preparing clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Whiteman Marvin E | 6 |
| #2 | Whiteman Marvin E Jr | 5 |
| Publication | Filing date | Title |
|---|---|---|
| AU5632990A | Centrifugal clutch with belt tightening spacer assembly | |
| AU1362188A | Apparatus for converting linear to rotary motion of selectable direction | |
| US4743221A | Centrifugal clutch belt tightening assembly | |
| US3530896A | Hydraulic power actuator and pilot valve unit assembly | |
| US2887934A | Cement finishing machine | |
| US2331949A | Screed support | |
| US2372163A | Portable concrete rodding machine | |
| US2334973A | Tamping roller | |
| US2340031A | Tamping roller |