Western Oilfields Supply Company
Western Oilfields Supply Company Patent applications | ||
Patent application number | Title | Published |
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20150267714 | Variable Capacity Centrifugal Pump Assembly - A variable capacity centrifugal pump assembly including a bearing housing, an impeller shaft rotatably mounted within the bearing housing and projecting therefrom, a volute circumscribing a cavity therein, a plurality of differently sized impellers for mounting on the impeller shaft within the cavity, a wear plate secured to the bearing housing and a volute and defining a downstream end portion of the cavity, a plurality of differently configured annular front covers for mounting to an upstream end of the volute for varying the size and configuration of the cavity to accommodate one of a selected plurality of differently sized impellers. The suction intake is mounted to the upstream end of the selected cover for communicating the pipe assembly with inlet hoses of varying size whereby the capacity of the pump assembly can be varied by the selective matching of the front covers with the impellers. | 09-24-2015 |
20140197283 | Pipe Crib-Block - A pipe crib-block for supporting a portion of hose or pipe in an elevated disposition. The pipe crib-block comprises a body portion causing a generally flat lower support surface and an upper surface defining a generally wedge-shaped trough in a central portion thereof. A pair of engagement keys project upwardly from the upper surface on opposed sides of the trough and a pair of key receiving apertures are disposed in the lower surface of the body portion. The apertures are axially aligned with the engagement keys and configured to receive therein and cooperate with the engagement keys on a second pipe crib-block such that two or more pipe crib-blocks can be stacked in interlocked parallel or perpendicular orientations so as to define a supporting structure for the pipe or hose at variable elevations. | 07-17-2014 |