Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Application No. | Application Title | Issue Date |
| 20070274848 | Motor-pump assembly The invention relates to a motor-pump assembly having an electric motor, which has a rotor and a stator, and having a pump, which pumps a liquid or a gas or a different pump medium. The pump is in driven connection with the rotor of the electric motor. The electric moto... | 11/29/2007 |
| 20050152790 | Pumping unit A pumping unit is provided with a pump that is partially disposed in a stator of an electric motor. The rotor is at an opposite end from the pump and is connected to the pump shaft to drive it for fluid flow. The pump shaft can be positioned in a central bore of the rot... | 07/14/2005 |
| 20050123419 | Pumping device A hydraulic pump is provided that reduces or eliminates unwanted noise, local pressure waves, pressure pulsations or cavitation and the like through use of pressure and suction chambers that are in substantial fluid isolation except for a backflow connection with a pred... | 06/09/2005 |
