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GB833044A
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Improvements in or relating to pumping plants
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US2764099A
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Housing of artificial material for singe stage centrifugal pumps
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US2779611A
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Sealing arrangement for shafts
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US2881708A
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Regulable hydraulic apparatus
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GB729327A
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Improvements in rotatable shaft packings
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GB710594A
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Improvements relating to rotary-piston engines, pumps, compressors and like machines
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GB713872A
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Improvements in electrically driven pipe well pumps
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DE832287C
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Device for holding back impurities, such as filters, sieves, or the like.
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US2647772A
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Bearing seal for underwater use
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GB671060A
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An arrangement for the elimination of the axial thrust in centrifugal pumps and the like
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GB671481A
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Improvements in sealing means for rotating shafts
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GB663320A
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Improvements in or relating to cut-off valves
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GB662105A
|
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Improved casings of artificial material for single stage centrifugal pumps
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US2258371A
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Rotary piston machine with rotor of yieldable material
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US1947630A
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Submersible pump
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GB362775A
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Improvements in submerged pumps
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GB362621A
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Improvements in submerged pumps
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