Inventor · disambiguated record
Chandu Kumar
Also filed as: KUMAR CHANDU
24 granted patents·9 pending applications·115 citations·filing 2015–2024
94Inventor score
Top patents by PatentIndex Score
33 records- 0195US11204030B2Support for reciprocating pumpSPM FLOW CONTROL INC·Filed 2019·Granted Dec 21, 2021·5 cites·20 claims
- 0294US10781803B2Reciprocating pumpSPM FLOW CONTROL INC·Filed 2018·Granted Sep 22, 2020·45 cites·18 claims
- 0394US10520037B2Support for reciprocating pumpSPM FLOW CONTROL INC·Filed 2018·Granted Dec 31, 2019·7 cites·20 claims
- 0494US9879659B2Support for reciprocating pumpSPM FLOW CONTROL INC·Filed 2015·Granted Jan 30, 2018·13 cites·21 claims
- 0591US10393182B2Power end frame assembly for reciprocating pumpSPM FLOW CONTROL INC·Filed 2015·Granted Aug 27, 2019·5 cites·26 claims
- 0690US10087992B2Bearing system for reciprocating pump and method of assemblySPM FLOW CONTROL INC·Filed 2015·Granted Oct 2, 2018·5 cites·23 claims
- 0789USD791192SPower end frame segmentSPM FLOW CONTROL INC·Filed 2015·Granted Jul 4, 2017·3 cites·1 claims
- 0885USD759728SPower end frame segmentSPM FLOW CONTROL INC·Filed 2015·Granted Jun 21, 2016·21 cites·1 claims
- 0980US12270496B2Hinged quick-release connectorSPM OIL & GAS INC·Filed 2021·Granted Apr 8, 2025·1 cites·19 claims
- 1080US11680631B2Pump gearSPM OIL & GAS INC·Filed 2018·Granted Jun 20, 2023·2 cites·18 claims
- 1171US12492697B1System and method for reduced thread stress for buttress style threads used in frac pump fluid endsSPM OIL & GAS INC·Filed 2024·Granted Dec 9, 2025·0 cites·14 claims
- 1270US11898553B2Power end frame assembly for reciprocating pumpSPM OIL & GAS INC·Filed 2019·Granted Feb 13, 2024·0 cites·13 claims
- 1370US11519396B2Reciprocating pumpSPM OIL & GAS INC·Filed 2020·Granted Dec 6, 2022·0 cites·17 claims
- 1470US2023039253A1Support for recipricating pumpSPM OIL & GAS INC·Filed 2022·Application pending·0 cites
- 1568US12258849B2Arrangement for supporting crankshaft bearings in hydraulic fracturing pumpSPM OIL & GAS INC·Filed 2023·Granted Mar 25, 2025·0 cites·20 claims
- 1668US11746775B2Bearing system for reciprocating pump and method of assemblySPM OIL & GAS INC·Filed 2018·Granted Sep 5, 2023·0 cites·9 claims
- 1761US12486842B1Removable packing gland assemblySPM OIL & GAS INC·Filed 2024·Granted Dec 2, 2025·0 cites·20 claims
- 1857US12196199B2Intermittent flushing plunger packing assemblySPM OIL & GAS INC·Filed 2021·Granted Jan 14, 2025·0 cites·18 claims
- 1956US12258960B2Keyless gear timing assembly for a reciprocating pumpSPM OIL & GAS INC·Filed 2021·Granted Mar 25, 2025·0 cites·20 claims
- 2056US2025354546A1Controlling suction valves of a fluid pumpSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 2156US2025382952A1System for distributing working fluid flow across inlet passages of reciprocating pumpsSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 2255US12385479B2Pumping system having remote valve blocksSPM OIL & GAS INC·Filed 2021·Granted Aug 12, 2025·0 cites·20 claims
- 2355US2025382956A1Controlling suction valves of a fluid pumpSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 2455US2025264099A1Fluid end for pumpSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 2554US12359660B2Linear FRAC pump drive system safety deflectorSPM OIL & GAS INC·Filed 2021·Granted Jul 15, 2025·0 cites·20 claims
- 2654USD870156SPower end frame segmentSPM FLOW CONTROL INC·Filed 2017·Granted Dec 17, 2019·4 cites·1 claims
- 2749US12398621B2System and apparatus for unloading well stimulation pumpsSPM OIL & GAS INC·Filed 2022·Granted Aug 26, 2025·0 cites·20 claims
- 2847US2023304484A1Modular suction stabilizerSPM OIL & GAS INC·Filed 2021·Application pending·0 cites
- 2946US2023160384A1Pump Assembly with Self-Retained Valve Spring and MethodsSPM OIL & GAS INC·Filed 2021·Application pending·0 cites
- 3044USD870157SPower end frame segmentSPM FLOW CONTROL INC·Filed 2017·Granted Dec 17, 2019·2 cites·1 claims
- 3143USD791193SPower end frame segmentSPM FLOW CONTROL INC·Filed 2016·Granted Jul 4, 2017·2 cites·1 claims
- 3243US2023160375A1Linear frac pump assemblySPM OIL & GAS INC·Filed 2021·Application pending·0 cites
- 3343US2019072088A1Suction cover assembly for reciprocating pumpsSPM FLOW CONTROL INC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →