| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 11 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Dynamo-electric machines | |
| #3 | Rotary-pistons | |
| #4 | Servomotors | |
| #5 | Pumps | |
| #6 | Unspecified technologies | |
| #7 | Positive-displacement engines | |
| #8 | Electric motor controls | |
| #9 | Venting or aerating devices | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | White Howard T | 23 |
| Publication | Filing date | Title |
|---|---|---|
| US2907349A | Balanced rotary four way valve | |
| US2970546A | Fluid pressure systems | |
| US2825286A | Motor driven pumps | |
| US2810348A | Motor driven pump | |
| US2796835A | Motor driven pumps | |
| US2763214A | Motor driven pumps | |
| US2741990A | Motor driven pumps | |
| US2693149A | Explosionproof motor-driven pump | |
| US2752857A | Motor pump unit with axial gap motor | |
| US2713311A | Motor driven pump | |
| US2782721A | Motor driven pumps | |
| US2520791A | Compensating motor starting relay for single split phase motors | |
| CA578903A | Motor driven pumps | |
| CA621373A | Fluid pressure systems | |
| CA578902A | Motor driven pumps | |
| CA536016A | Explosionproof motor driven pumps | |
| CA761230A | Motor driven pump | |
| CA529278A | Motor driven pumps | |
| CA547111A | Motor driven pumps | |
| CA546785A | Motor driven pumps |