Inventor · Houston, TX, US

James A. Barnhouse

11Patents
3h-index
12Co-inventors
49Inventor score

Filing activity: Dec 27, 2013 → Feb 24, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US10240594B2 Dynamic seal cartridge in a fluid end of a reciprocating pump Mechanical Engineering; Lighting; Heating 27 Active
US10273954B2 Fluid end of a reciprocating pump with reduced stress Mechanical Engineering; Lighting; Heating 27 Active
US9915101B2 Underreamer for increasing a bore diameter Fixed Constructions 3 Active
US9915100B2 Underreamer for increasing a bore diameter Fixed Constructions 2 Active
US11852127B2 Retainer assembly for pump and methods Mechanical Engineering; Lighting; Heating 1 Active
US12158142B2 System and method for maintaining pumps Mechanical Engineering; Lighting; Heating 0 Active
US11852135B2 Retainer nut assembly for pump and methods Mechanical Engineering; Lighting; Heating 0 Active
US11965497B2 Reciprocating pump fluid cylinder sleeve assembly Mechanical Engineering; Lighting; Heating 0 Active
US11674509B2 Long sleeve cartridge for a fluid end block Mechanical Engineering; Lighting; Heating 0 Active
US10450803B2 Spline insert for a downhole tool Performing Operations; Transporting 0 Active
US10190367B2 Spline insert for a downhole tool Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.