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| Number | Title | Issue Date |
| 7008400 | Diaphragm pump and pump for double-breast pumping A motorized pump is disclosed that includes a flexible diaphragm fitting within a rigid member, a motor drive mechanism for drawing a puller member attached to the diaphragm away from the rigid member to create a space between the diaphragm and the rigid member and ... | 03/07/2006 |
| 6500143 | Breast pump This invention relates to a breast pump which can perform the automatic suction with the following advantages: 1) a breast-milking mother can stop the operation of breast pump immediately, when her breast site feels painful through continual suction, 2) t... | 12/31/2002 |
| 6439156 | Milking vacuum fluctuation filter A milking system for milking a mammal such as a cow includes a source of vacuum applying vacuum through a conduit system to a plurality of milking clusters, each cluster having a plurality of teat cups supplying milk to a claw in response to pulsation vac... | 08/27/2002 |
