| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Machine tools | |
| #6 | Engines, pumps and turbines | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Clutches and brakes | |
| #3 | Gearing | |
| #4 | Unspecified technologies | |
| #5 | Burners | |
| #6 | Vehicle transmission mounting | |
| #7 | Accessories for machine tools | |
| #8 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weydell Jarl M | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2251235A | Pump | |
| US2295147A | Speed governor | |
| US2214391A | Clutch | |
| US2339228A | Dynamoelectric machine | |
| US2153856A | Gear set | |
| US2119477A | Generator | |
| US2072832A | Clutch | |
| US1957416A | Synchronizing mechanism for change-speed transmission | |
| US1877101A | Synchronizer | |
| US1754587A | Magnetic chuck | |
| US1702755A | Magnetic clutch | |
| US1631662A | Oil burner | |
| US1436420A | Burner top | |
| US1271401A | Magnetic clutch. |