US 12,258,850 B2
Fluid end
Kelcy Jake Foster, Sulphur, OK (US); Micheal Cole Thomas, Azle, TX (US); Christopher Todd Barnett, Stratford, OK (US); Nicholas Son, Davis, OK (US); and John Keith, Ardmore, OK (US)
Assigned to Kerr Machine Co., Sulphur, OK (US)
Filed by Kerr Machine Co., Sulphur, OK (US)
Filed on May 30, 2024, as Appl. No. 18/678,884.
Application 18/678,884 is a continuation of application No. 18/488,435, filed on Oct. 17, 2023, granted, now 12,000,257.
Claims priority of provisional application 63/508,577, filed on Jun. 16, 2023.
Claims priority of provisional application 63/506,222, filed on Jun. 5, 2023.
Claims priority of provisional application 63/422,637, filed on Nov. 4, 2022.
Claims priority of provisional application 63/416,644, filed on Oct. 17, 2022.
Prior Publication US 2024/0309742 A1, Sep. 19, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F04B 53/22 (2006.01); E21B 43/26 (2006.01); F04B 53/16 (2006.01)
CPC E21B 43/2607 (2020.05) [F04B 53/164 (2013.01); F04B 53/22 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A fluid end, comprising:
a first fluid end section, comprising:
a housing having a substantially horizontal longitudinal axis, the housing comprising:
a first section; and
a second section, joined to the first section by a first plurality of fasteners;
wherein a substantially horizontal bore extends through the first section and the second section along the substantially horizontal longitudinal axis; and
a stuffing box attached to the second section of the housing by a second plurality of fasteners;
in which an end of each of the first plurality of fasteners faces an end of each of the second plurality of fasteners.