Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 6624601 | Control device for plurality of rotating electrical machines A control device for a plurality of rotating electrical machines has a single current control device with an inverter, gate driver, and a motor controller, which supplies a control current to each rotating electrical machine allowing rotation control in r... | 09/23/2003 |
| 5712514 | System and method for supplying power to stator sections of a long-stator magnetic levitation railway system A system and method for supplying power to stator sections of a long-stator magnetic levitation railway system, where the stator winding is subdivided into several stator sections that can be controlled individually along a route for a magnetically levita... | 01/27/1998 |
| 5015938 | Synchronizable drive system The drive system connects a servomotor via a clutch to a shaft after the motor has started up from a standstill to a speed in synchronism with the supply frequency to the servomotor. The clutch may also be actuated to disengage the servomotor from the sha... | 05/14/1991 |
