| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 1 | |
| #4 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Finishing work on buildings | |
| #3 | Venting or aerating devices | |
| #4 | Servomotors | |
| #5 | Unspecified technologies | |
| #6 | Soldering, welding and flame cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Whiteman Marvin E Jr | 4 |
| #2 | Whiteman Marvin E | 3 |
| #3 | Whiteman Jr Marvin E | 2 |
| #4 | Richards John A | 1 |
| #5 | Smith Ralph E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4527959A | Drilling fluid pump providing a uniform, controlled pressure and flow rate | |
| US4312603A | Twin trowel cement finishing machine | |
| US4067666A | Concrete pumping apparatus | |
| US3973857A | Guard ring mounting for cement finisher apparatus | |
| US3898419A | Welding apparatus | |
| US3559951A | Gate valve for cement and like materials | |
| US3502002A | Means for synchronizing a pair of hydraulic power cylinder actuators |