James A. Barnhouse
11Patents
3h-index
12Co-inventors
49Inventor score
Filing activity: Dec 27, 2013 → Feb 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.