Inventor · disambiguated record
Daryl Belshan
Also filed as: BELSHAN DARYL · BELSHAN DARYL J · BELSHAN DARYL JAMES
16 granted patents·10 pending applications·247 citations·filing 2011–2025
91Inventor score
Top patents by PatentIndex Score
26 records- 0194US10871227B1Power end of a pumpBLACK HORSE LLC·Filed 2020·Granted Dec 22, 2020·45 cites·18 claims
- 0294US10273954B2Fluid end of a reciprocating pump with reduced stressBLACK HORSE LLC·Filed 2016·Granted Apr 30, 2019·35 cites·21 claims
- 0394US10240594B2Dynamic seal cartridge in a fluid end of a reciprocating pumpBLACK HORSE LLC·Filed 2017·Granted Mar 26, 2019·33 cites·20 claims
- 0492US9631739B2Valve and seat assembly for a high pressure pumpBLACK HORSE LLC·Filed 2015·Granted Apr 25, 2017·108 cites·16 claims
- 0591US12092227B1Valve assembly and system, method, and apparatus thereofSPM OIL & GAS INC·Filed 2023·Granted Sep 17, 2024·2 cites·20 claims
- 0690US9248854B2Electro-hydraulic steering control systemCATERPILLAR INC·Filed 2013·Granted Feb 2, 2016·19 cites·19 claims
- 0789US11852127B2Retainer assembly for pump and methodsSPM OIL & GAS INC·Filed 2022·Granted Dec 26, 2023·2 cites·20 claims
- 0886US12359517B2Valve cartridgeSPM OIL & GAS INC·Filed 2023·Granted Jul 15, 2025·1 cites·12 claims
- 0984US11674509B2Long sleeve cartridge for a fluid end blockSPM OIL & GAS INC·Filed 2021·Granted Jun 13, 2023·1 cites·20 claims
- 1080US2025334108A1Multiple-valve system for a fluid pumpSPM OIL & GAS INC·Filed 2025·Application pending·0 cites
- 1178US2025320865A1Valve cartridge for a fluid pumpSPM OIL & GAS INC·Filed 2025·Application pending·0 cites
- 1276US2025314143A1Valve cartridgeSPM OIL & GAS INC·Filed 2025·Application pending·0 cites
- 1372US12372078B2Multiple-valve system for a fluid pumpSPM OIL & GAS INC·Filed 2023·Granted Jul 29, 2025·0 cites·20 claims
- 1470US10047741B2Monitoring system for fluid pumpCATERPILLAR INC·Filed 2016·Granted Aug 14, 2018·1 cites·8 claims
- 1569US12359663B2Valve cartridge for a fluid pumpSPM OIL & GAS INC·Filed 2023·Granted Jul 15, 2025·0 cites·20 claims
- 1664US12480487B1Fluid end of pumpSPM OIL & GAS INC·Filed 2024·Granted Nov 25, 2025·0 cites·20 claims
- 1759US2024255373A1Packing failure detection in a pump of a hydraulic fracturing rigCATERPILLAR INC·Filed 2023·Application pending·0 cites
- 1856US2025354546A1Controlling suction valves of a fluid pumpSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 1955US2025382956A1Controlling suction valves of a fluid pumpSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 2055US2025264099A1Fluid end for pumpSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 2154US11859664B2Multi-piece pinion shaft assemblySPM OIL & GAS INC·Filed 2021·Granted Jan 2, 2024·0 cites·19 claims
- 2249US12398621B2System and apparatus for unloading well stimulation pumpsSPM OIL & GAS INC·Filed 2022·Granted Aug 26, 2025·0 cites·20 claims
- 2349US12158142B2System and method for maintaining pumpsSPM OIL & GAS INC·Filed 2021·Granted Dec 3, 2024·0 cites·20 claims
- 2449US2025361861A1Valve cartridge for a fluid pumpSPM OIL & GAS INC·Filed 2024·Application pending·0 cites
- 2535US2016258433A1Self-retaining packing nut assembly and method for a high pressure pumpBLACK HORSE LLC·Filed 2015·Application pending·0 cites
- 2633US2012152629A1Hydraulic system having load lock valveMATHER DANIEL T·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →