Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7168925 | Automatic optimizing pump and sensor system A reciprocating electromagnetic pump comprising a coil wound about a bipolar or tripolar core, a diaphragm structure mechanically coupled to at least one arm with a magnet attached to one end of the arm and a controller electronically connected to the coil. The cont... | 01/30/2007 |
| 5921951 | Apparatus for pumping fluid at a steady flow rate An apparatus for pumping fluid at a steady rate. A first drive chamber having a movable outer surface, and a second drive chamber having a movable outer surface are provided. The apparatus further includes a block having a plurality of internal passages i... | 07/13/1999 |
| 5193986 | Fluid pump A fluid pump is provided which comprises a valveless pump chamber, a tube for conveying fluid, a conduit connecting the pump chamber and tube in fluid pressure communication, and at least one valve connected to the tube and adapted to permit a flow of flu... | 03/16/1993 |
| 4209982 | Low temperature fluid energy conversion system A low temperature fluid energy conversion system in which at least two cylinders containing a working fluid which has been heated, for example by solar energy, are alternately supplied with a liquid expanding agent, preferably a hydrocarbon or a fluorocar... | 07/01/1980 |
| 4102605 | Fluid pumping device A pump with a plunger assembly that is received within an outer housing containing a fluid. The plunger assembly includes a slidable sleeve portion defining a vertical channel. A pair of thermally conductive, flexible membranes form outer and inner chambe... | 07/25/1978 |
