| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Spinning | |
| #2 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Magrath George H | 20 |
| Publication | Filing date | Title |
|---|---|---|
| US2938676A | Top drive spinning spindle | |
| US2249151A | Bobbin clutch | |
| US2249150A | Bobbin clutch | |
| US2051642A | Spinning spindle | |
| US2051641A | Spinning spindle | |
| US1972784A | Bobbin | |
| US1952764A | Bobbin | |
| US1898553A | Bobbin clutch | |
| US1909976A | Bobbin clutch | |
| US1829229A | Bobbin clutch | |
| US1830845A | Bobbin clutch | |
| US1895810A | Bobbin clutch | |
| US1786252A | Bearing support for spinning or twisting spindles | |
| US1834412A | Spindle clutch | |
| US1779099A | Bobbin clutch | |
| US1820574A | Bobbin clutch for spindles | |
| US1821186A | Bobbin clutch | |
| US1741197A | Spindle clutch | |
| US1478789A | Bobbin clutch | |
| US1457226A | Bobbin clutch |