| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Williamson Robert B | 5 |
| #2 | Max Patitz Johann Friedrich | 5 |
| #3 | Nicht Jr Alexander J | 2 |
| #4 | Arnold Pfau | 1 |
| #5 | Walter Hasendahl | 1 |
| #6 | Henry Trout William | 1 |
| #7 | Edwin Search Charles | 1 |
| #8 | Tanke Willard H | 1 |
| #9 | Brill Edward F | 1 |
| #10 | Peek Henry L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2865298A | Centrifugal pump | |
| US2881285A | Time delay device for circuit breakers | |
| US2692543A | Lister plow | |
| US2629462A | Hydraulic shock absorber | |
| US2576316A | Radiator installation for motor vehicles | |
| US2489586A | Acceleration control apparatus | |
| US2080742A | Propeller blade control | |
| US1901760A | Clamping device | |
| US1904320A | Pipeline booster system | |
| US1860489A | Induction-synchronous motor system | |
| US1607962A | Duplex tractor | |
| US1553324A | Tractor | |
| US1418857A | Dynamo-electric machine | |
| US1418856A | Dynamo-electric machine | |
| US1458120A | Magnet and dynamo-electric-machine structure | |
| US1504495A | Rotary tiller | |
| US1444384A | Air purifier | |
| US1385721A | Drawbar | |
| US1344209A | Tractor | |
| US1400336A | Winding for dynamo-electric machines |