Patents by Inventor Chandu Kumar
Chandu Kumar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20260146599Abstract: A hydraulic fracturing pump system may include a hydraulic fracturing pump including a fluid end and a power end, a fluid end controller, mounted to the fluid end, storing a fluid end identifier that uniquely identifies the fluid end, a sensor configured to measure a parameter relating to the hydraulic fracturing pump, and a primary controller communicatively coupled to the sensor and to the fluid end controller. The primary controller may be configured to receive the fluid end identifier from the fluid end controller, obtain measurements from the sensor, generate a report that indicates data based on the measurements, and transmit the report to the fluid end controller.Type: ApplicationFiled: November 27, 2024Publication date: May 28, 2026Applicant: SPM Oil & Gas Inc.Inventors: Bryan Wagner, Reid Young, Ralph Harris, Chandu Kumar
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Publication number: 20260146602Abstract: A suction valve control system of a fluid pump, that is configured to discharge fluid during a plurality of discharge cycles, may include a plurality of suction valves for respective cylinders of a fluid end of the fluid pump. The plurality of suction valves may be configured to close during the plurality of discharge cycles in accordance with a normal operation of the plurality of suction valves. The suction valve control system may include a controller configured to cause, responsive to a deactivating event for a cylinder of the respective cylinders, a suction valve of the cylinder to be maintained in an open position throughout one or more discharge cycles of the plurality of discharge cycles, while at least one other suction valve of the plurality of suction valves has the normal operation during the one or more discharge cycles.Type: ApplicationFiled: November 25, 2024Publication date: May 28, 2026Applicant: SPM Oil & Gas Inc.Inventors: Daryl James Belshan, Wesley P Clark, Ralph Harris, Chandu Kumar
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Publication number: 20260126034Abstract: A bedrock fracturing unit for pressurizing fluid within a bedrock formation is disclosed and includes a hydraulic pump. The hydraulic pump includes a pump block with a port therein, a plug which seats within a shoulder of the port, and a port nut which threads into a threaded surface of the port such that it presses against the plug. Further, the pump includes a flange which mounts to an outer surface of the pump block and a flange nut which threads into the flange such that it engages the port nut. The port nut and the flange nut have different thread pitches such that rotation of the port nut does not dislodge the flange nut.Type: ApplicationFiled: November 2, 2024Publication date: May 7, 2026Applicant: SPM Oil & Gas Inc.Inventors: Jeffrey R Haiderer, Jeongpill Ki, Chandu Kumar, Albert Rubalcava
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Patent number: 12560165Abstract: A pump assembly may include a bearing housing having a bore. The pump assembly may include a connecting rod connected to the bearing housing at a first end of the connecting rod and connected to a crosshead at a second end of the connecting rod via a wrist pin. The connecting rod may include a lubrication channel that extends within the connecting rod. The pump assembly may include a shell bearing in the bore of the bearing housing, the shell bearing having an inner surface and an outer surface. A portion of the inner surface of the shell bearing that contacts the crankshaft in a forward stroke of the crosshead may be uninterrupted by a groove or an aperture configured to direct lubrication fluid to the lubrication channel of the connecting rod.Type: GrantFiled: December 14, 2023Date of Patent: February 24, 2026Assignee: SPM Oil & Gas Inc.Inventors: John S. Marquez, Alireza Atabaie, John Mccrady, Chandu Kumar, Chih Hau Chen
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Patent number: 12546309Abstract: An orifice component for a lubrication system may include an orifice head having an outlet orifice and one or more inlet passageways in fluid communication with the outlet orifice. The orifice component may include an orifice stem extending from the orifice head. The orifice stem may have a solid structure.Type: GrantFiled: June 21, 2024Date of Patent: February 10, 2026Assignee: SPM Oil & Gas Inc.Inventors: Albert Rubalcava, Jeffrey Haiderer, John S. Marquez, Chandu Kumar
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Patent number: 12523203Abstract: A linear pump assembly includes a cylinder piston disposed in a generally tubular internal cylinder chamber defined within a cylinder housing having first and second ends, a first plunger-cylinder rod securely coupled to a first end of the cylinder piston and disposed in a first generally tubular internal plunger chamber defined within a first plunger housing in linear alignment with the cylinder housing, and a second plunger-cylinder rod securely coupled to a second end of the cylinder piston and disposed in a second generally tubular internal plunger chamber defined within a second plunger housing in linear alignment with the cylinder housing and the first plunger housing. First and second fluid ends are coupled to the first and second plunger housings respectively, the first and second fluid ends each housing a suction valve and a discharge valve.Type: GrantFiled: July 14, 2021Date of Patent: January 13, 2026Assignees: SPM Oil & Gas Inc.Inventors: Wesley P. Clark, Chandu Kumar, John McCrady, Jon Frey, Royce Gerngross
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Publication number: 20250389270Abstract: An orifice component for a lubrication system may include an orifice head having an outlet orifice and one or more inlet passageways in fluid communication with the outlet orifice. The orifice component may include an orifice stem extending from the orifice head. The orifice stem may have a solid structure.Type: ApplicationFiled: June 21, 2024Publication date: December 25, 2025Applicant: SPM Oil & Gas Inc.Inventors: Albert RUBALCAVA, Jeffrey HAIDERER, John S. MARQUEZ, Chandu KUMAR
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Publication number: 20250382952Abstract: A system for distributing a fluid flow across multiple inlet passages of a reciprocating pump includes an auger configured to be positioned into a suction manifold fluidly coupled with the multiple inlet passages of the reciprocating pump. The auger defines an axis, a first axial end, a second axial end, and a helical body extending between the first axial end and the second axial end. The auger is receivable into the suction manifold such that the first axial end is positioned to receive the fluid flow and force the fluid to move along a helical path defined by the helical body to introduce an angular momentum into the fluid flow. The system includes an end flange fixedly coupled to the second axial end proximate the opening. The system further includes a clamp arrangement for the auger wherein the clamp arrangement is movable between a clamped state and an unclamped state.Type: ApplicationFiled: June 12, 2024Publication date: December 18, 2025Applicant: SPM Oil & Gas Inc.Inventors: Ralph Harris, Connor James Docherty, Chihhau Alex Chen, Chandu Kumar
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Publication number: 20250382956Abstract: A controller may monitor an operating parameter relating to at least one of a fluid pump or a prime mover for the fluid pump. The fluid pump may be configured to discharge fluid during a plurality of discharge cycles. The fluid pump may have a suction valve configured to close during the plurality of discharge cycles. The controller may cause, responsive to the operating parameter indicating that the fluid pump is to be deactivated, the suction valve to be maintained in an open position throughout one or more discharge cycles of the plurality of discharge cycles.Type: ApplicationFiled: June 13, 2024Publication date: December 18, 2025Applicant: SPM Oil & Gas Inc.Inventors: Daryl BELSHAN, Wesley P. CLARK, Ralph HARRIS, Chandu KUMAR
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Patent number: 12492697Abstract: A fluid end for a reciprocating pump assembly includes a fluid end body defining an access opening having access opening threads formed on an inner surface thereof and extending between an inner threaded portion and an outer threaded portion. A blunt start is formed at the outer threaded portion of the access opening threads. The fluid end also includes a retainer nut having retainer nut threads formed on an outer surface of the retainer nut. To install the retainer nut in the fluid end, a first threaded portion of the retainer nut threads is configured to engage with the access opening threads before the second threaded portion. When the retainer nut is in a fully engaged position in the access opening, a second threaded portion of the retainer nut threads is offset from the blunt start of the access opening threads to define a circumferential offset distance therebetween.Type: GrantFiled: December 4, 2024Date of Patent: December 9, 2025Assignee: SPM Oil & GasInventors: Jeffrey R. Haiderer, Chandu Kumar, Ralph E. Harris, Connor Landrum
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Publication number: 20250369438Abstract: A packing gland assembly may include a packing gland housing defining a bore extending from a front end to a rear end of the packing gland housing. The packing gland housing may include a flange having a front face, that defines the front end of the packing gland housing, and a rear face. The flange may define a plurality of apertures that extend from the front face of the flange to the rear face of the flange. The packing gland housing may include a mating neck extending from the flange to the rear end of the packing gland housing. The mating neck may define a stepped circumferential surface having one or more steps, and may define a circumferential groove.Type: ApplicationFiled: May 30, 2024Publication date: December 4, 2025Applicant: SPM Oil & Gas Inc.Inventors: Adalberto CORTES, Alireza ATABAIE, Chandu KUMAR
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Patent number: 12486842Abstract: A packing gland assembly may include a packing gland housing defining a bore extending from a front end to a rear end of the packing gland housing. The packing gland housing may include a flange having a front face, that defines the front end of the packing gland housing, and a rear face. The flange may define a plurality of apertures that extend from the front face of the flange to the rear face of the flange. The packing gland housing may include a mating neck extending from the flange to the rear end of the packing gland housing. The mating neck may define a stepped circumferential surface having one or more steps, and may define a circumferential groove.Type: GrantFiled: May 30, 2024Date of Patent: December 2, 2025Assignee: SPM Oil & Gas Inc.Inventors: Adalberto Cortes, Alireza Atabaie, Chandu Kumar
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Publication number: 20250354546Abstract: A controller of a suction valve control system may receive an initiation indication indicating an initiation of a prime mover for a fluid pump. The fluid pump may have a plurality of suction valves, and a plurality of valve control components may be configured to control actuation of the plurality of suction valves. The controller may cause, responsive to the initiation of the prime mover, the plurality of valve control components to maintain the plurality of suction valves in open positions during one or more discharge cycles of the fluid pump.Type: ApplicationFiled: May 20, 2024Publication date: November 20, 2025Applicant: SPM Oil & Gas Inc.Inventors: Ralph HARRIS, Chandu KUMAR, Daryl BELSHAN, Bryan WAGNER, Wesley P. CLARK
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Patent number: 12398621Abstract: An example system includes a fluid end having a block, a suction bore formed in the block, a suction valve seat disposed within the suction bore, and a suction valve disposed within the suction bore, the suction valve, in a closed position, being configured to contact the suction valve seat to seal the suction bore. The system also includes a rod configured to engage the suction valve, the rod being moveable between a first position and a second position, wherein in the first position the suction valve is in the closed position, and in the second position, engagement of the rod with the suction valve causes the suction valve to be in an open position.Type: GrantFiled: April 26, 2022Date of Patent: August 26, 2025Assignee: SPM Oil & Gas Inc.Inventors: Daryl James Belshan, Bryan Wagner, Chandu Kumar
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Publication number: 20250264099Abstract: A fluid end of a pump includes a fluid end body defining a bore extending along a central axis of the fluid end and a first circumferential notch. The fluid end also includes a suction cap received within the bore of the fluid end body and a wear sleeve radially disposed between the fluid end body and the suction cap. The wear sleeve circumferentially surrounds the suction cap and is received within the first circumferential notch of the fluid end body. The wear sleeve is an L-shaped sleeve. An inner surface of the wear sleeve engages with the suction cap. An outer surface of the wear sleeve engages with the fluid end body. The wear sleeve includes a flange portion.Type: ApplicationFiled: February 21, 2024Publication date: August 21, 2025Applicant: SPM Oil & Gas Inc.Inventors: Johnny Eric DeLeon, II, Chandu Kumar, Daryl Belshan, Adalberto Cortes
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Patent number: 12385479Abstract: This disclosure presents a pumping system that includes a plunger disposed in a pressure cylinder that is operable to be displaced in a suction and a discharge stroke. A packing seal is disposed between the plunger and the pressure cylinder. A valve block is disposed separate from the pressure cylinder and houses a suction valve and a discharge valve. A conduit fluidly couples the pressure cylinder with the valve block.Type: GrantFiled: April 12, 2021Date of Patent: August 12, 2025Assignee: SPM Oil & Gas Inc.Inventors: Chandu Kumar, John McCrady, Joe Allen Sutton, Wesley P. Clark, Richard David Peer
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Patent number: 12359660Abstract: A linear pump includes a centrally-disposed drive system and a plunger having a center portion coupled to the drive system, and first and second fluid ends disposed at the first and second ends of the plunger. The pump further includes first and second packing seals each being disposed about the plunger to isolate fluids within the respective first and second fluid ends. First and second adapters are disposed at an interface between the drive system and respective first and second fluid ends, each adapter incorporating an angled deflector configured to deflect and redirect high-pressure fluids escaping past the respective packing seal toward the drive system.Type: GrantFiled: March 2, 2021Date of Patent: July 15, 2025Assignee: SPM Oil & Gas Inc.Inventors: Chandu Kumar, John McCrady, Joe Allen Sutton
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Patent number: 12270496Abstract: A quick-connector assembly for joining abutting flanged ends of two tubular members includes first and second connector portions joined by a rotatable hinge having a hinge pin coupling the first connector portion and the second connector portion so that the first and second connector portions encircle about abutting flanged ends of the tubular members when the first and second connector portions are in a closed position. Further, a stand having a bracket with at least one hole for accommodating the hinge pin is designed to at least partially support the weight of the connector assembly and the flanged ends of the tubular members.Type: GrantFiled: February 26, 2021Date of Patent: April 8, 2025Assignee: SPM Oil & Gas Inc.Inventors: Chandu Kumar, Joe Allen Sutton
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Patent number: 12258849Abstract: An arrangement for supporting one or more bearings of a crankshaft assembly of a hydraulic fracturing pump includes a frame and one or more bearing supports. The frame is of a first material and defines one or more bearing support profiles. The bearing supports are of a second material different from the first material of the frame. The bearing supports are cast-in-place within the corresponding bearing support profiles of the frame and are configured to be in contact with an outer race of the corresponding bearings of the crankshaft assembly. Compared to the first material of the frame, the second material of the bearing supports is more effective at preventing slippage of the bearings.Type: GrantFiled: March 16, 2023Date of Patent: March 25, 2025Assignee: SPM Oil & Gas Inc.Inventors: Chandu Kumar, Johnny Eric DeLeon, II, Jeffrey Haiderer, Chih Hau Chen
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Patent number: 12258960Abstract: A keyless timing gear assembly for securing a bull gear to a crankshaft of a power end of a reciprocating pump assembly, the keyless timing gear assembly including at least one actuator, an expansion member and at least one wedge member disposed between the at least one actuator and the expansion member, the wedge member having a sloped surface to slideably engage a corresponding sloped surface on the expansion member such that, in response to actuation of the at least one actuator, the at least one wedge member exerts a force on the expansion member for securing a bull gear to a crankshaft.Type: GrantFiled: August 10, 2021Date of Patent: March 25, 2025Assignee: SPM Oil & Gas Inc.Inventors: Chandu Kumar, Jeffrey Haiderer, Connor Landrum