P

Inventor

KUMAR CHANDU

US27 patents
⚠️ This page may combine multiple inventors who share the name “KUMAR CHANDU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPM OIL & GAS INC

16 patents
US11680631B2Jun 20, 2023

Pump gear

SPM OIL & GAS INC2 citations73
US12270496B2Apr 8, 2025

Hinged quick-release connector

SPM OIL & GAS INC1 citations61
US11746775B2Sep 5, 2023

Bearing system for reciprocating pump and method of assembly

SPM OIL & GAS INC0 citations60
US11519396B2Dec 6, 2022

Reciprocating pump

SPM OIL & GAS INC0 citations59
US11898553B2Feb 13, 2024

Power end frame assembly for reciprocating pump

SPM OIL & GAS INC0 citations58
US12546309B2Feb 10, 2026

Stemmed orifice component

SPM OIL & GAS INC0 citations54
US12258849B2Mar 25, 2025

Arrangement for supporting crankshaft bearings in hydraulic fracturing pump

SPM OIL & GAS INC0 citations54
US12398621B2Aug 26, 2025

System and apparatus for unloading well stimulation pumps

SPM OIL & GAS INC0 citations50
US12359660B2Jul 15, 2025

Linear FRAC pump drive system safety deflector

SPM OIL & GAS INC0 citations49
US12196199B2Jan 14, 2025

Intermittent flushing plunger packing assembly

SPM OIL & GAS INC0 citations49
US12385479B2Aug 12, 2025

Pumping system having remote valve blocks

SPM OIL & GAS INC0 citations48
US12258960B2Mar 25, 2025

Keyless gear timing assembly for a reciprocating pump

SPM OIL & GAS INC0 citations48
US12523203B2Jan 13, 2026

Common plunger for a linear actuated pump

SPM OIL & GAS INC0 citations45
US12492697B1Dec 9, 2025

System and method for reduced thread stress for buttress style threads used in frac pump fluid ends

SPM OIL & GAS INC0 citations45
US12486842B1Dec 2, 2025

Removable packing gland assembly

SPM OIL & GAS INC0 citations45
US12560165B2Feb 24, 2026

Pump assembly using a shell bearing with a partial groove

SPM OIL & GAS INC0 citations44

SPM FLOW CONTROL INC

11 patents