Pump assembly using a shell bearing with a partial groove
US-12560165-B2 · Feb 24, 2026 · US
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Kumar Chandu patents
Kumar Chandu is listed as an inventor on 57 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kumar Chandu |
| Total patents | 57 |
| First publication | Jan 28, 2016 |
| Latest publication | Feb 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Stemmed orifice component
US-12546309-B2 · Feb 10, 2026 · US
Common plunger for a linear actuated pump
US-12523203-B2 · Jan 13, 2026 · US
Stemmed orifice component
US-2025389270-A1 · Dec 25, 2025 · US
System for distributing working fluid flow across inlet passages of reciprocating pumps
US-2025382952-A1 · Dec 18, 2025 · US
Controlling suction valves of a fluid pump
US-2025382956-A1 · Dec 18, 2025 · US
System and method for reduced thread stress for buttress style threads used in frac pump fluid ends
US-12492697-B1 · Dec 9, 2025 · US
Removable packing gland assembly
US-2025369438-A1 · Dec 4, 2025 · US
Removable packing gland assembly
US-12486842-B1 · Dec 2, 2025 · US
Controlling suction valves of a fluid pump
US-2025354546-A1 · Nov 20, 2025 · US
Recent patents
Latest publications not already listed above.
System and apparatus for unloading well stimulation pumps
US-12398621-B2 · Aug 26, 2025 · US
Fluid end for pump
US-2025264099-A1 · Aug 21, 2025 · US
Pumping system having remote valve blocks
US-12385479-B2 · Aug 12, 2025 · US
Linear FRAC pump drive system safety deflector
US-12359660-B2 · Jul 15, 2025 · US
Hinged quick-release connector
US-12270496-B2 · Apr 8, 2025 · US
Arrangement for supporting crankshaft bearings in hydraulic fracturing pump
US-12258849-B2 · Mar 25, 2025 · US
Keyless gear timing assembly for a reciprocating pump
US-12258960-B2 · Mar 25, 2025 · US
Intermittent flushing plunger packing assembly
US-12196199-B2 · Jan 14, 2025 · US
Arrangement for supporting crankshaft bearings in hydraulic fracturing pump
US-2024309740-A1 · Sep 19, 2024 · US
Pump assembly using a shell bearing with a partial groove
US-2024254987-A1 · Aug 1, 2024 · US
Intermittent flushing plunger packing assembly
US-2024218870-A1 · Jul 4, 2024 · US
Power end frame assembly for reciprocating pump
US-11898553-B2 · Feb 13, 2024 · US
Common plunger for a linear actuated pump
US-2024011473-A1 · Jan 11, 2024 · US
System and apparatus for unloading well stimulation pumps
US-2023340859-A1 · Oct 26, 2023 · US
Modular suction stabilizer
US-2023304484-A1 · Sep 28, 2023 · US
Keyless gear timing assembly for a reciprocating pump
US-2023304483-A1 · Sep 28, 2023 · US
Bearing system for reciprocating pump and method of assembly
US-11746775-B2 · Sep 5, 2023 · US
Pump gear
US-11680631-B2 · Jun 20, 2023 · US
Pumping system having remote valve blocks
US-2023184238-A1 · Jun 15, 2023 · US
Linear frac pump assembly
US-2023160375-A1 · May 25, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Spm Oil & Gas Inc | 36 |
| Spm Flow Control Inc | 22 |
| Bosch Rexroth Corp | 2 |
| SPM Oil & Gas | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04B1/053 | 31 |
| F04B53/16 | 30 |
| F04B19/22 | 25 |
| F04B53/006 | 24 |
| F04B9/02 | 23 |