Inventor
CRAWFORD MICHAEL ROBERT
US4 patents
Patents
4 patentsUS10760685B2Sep 1, 2020
Pump shaft packing gland and bushing
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US11566616B2Jan 31, 2023
Pump shaft packing gland and bushing
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Timed element, high pressure, industrial rotary lobe pump
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US10514034B2Dec 24, 2019
Idler gear for positive displacement gear pump
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