Inventor · disambiguated record
James A. Barnhouse
Also filed as: BARNHOUSE JAMES · BARNHOUSE JAMES A · BARNHOUSE JAMES ANTHONY · BARNHOUSE JR JAMES A
11 granted patents·2 pending applications·80 citations·filing 2013–2022
87Inventor score
Files withSPM OIL & GAS INC5SMITH INTERNATIONAL3BLACK HORSE LLC2SCHLUMBERGER TECHNOLOGY CORP2CATERPILLAR INC1
Top patents by PatentIndex Score
13 records- 0194US10273954B2Fluid end of a reciprocating pump with reduced stressBLACK HORSE LLC·Filed 2016·Granted Apr 30, 2019·35 cites·21 claims
- 0294US10240594B2Dynamic seal cartridge in a fluid end of a reciprocating pumpBLACK HORSE LLC·Filed 2017·Granted Mar 26, 2019·33 cites·20 claims
- 0389US11852127B2Retainer assembly for pump and methodsSPM OIL & GAS INC·Filed 2022·Granted Dec 26, 2023·2 cites·20 claims
- 0485US11852135B2Retainer nut assembly for pump and methodsSPM OIL & GAS INC·Filed 2021·Granted Dec 26, 2023·1 cites·20 claims
- 0584US11965497B2Reciprocating pump fluid cylinder sleeve assemblyCATERPILLAR INC·Filed 2022·Granted Apr 23, 2024·1 cites·19 claims
- 0684US11674509B2Long sleeve cartridge for a fluid end blockSPM OIL & GAS INC·Filed 2021·Granted Jun 13, 2023·1 cites·20 claims
- 0770US9915101B2Underreamer for increasing a bore diameterSMITH INTERNATIONAL·Filed 2013·Granted Mar 13, 2018·4 cites·17 claims
- 0867US9915100B2Underreamer for increasing a bore diameterSMITH INTERNATIONAL·Filed 2014·Granted Mar 13, 2018·3 cites·25 claims
- 0963US10450803B2Spline insert for a downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Oct 22, 2019·0 cites·13 claims
- 1054US10190367B2Spline insert for a downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jan 29, 2019·0 cites·13 claims
- 1149US12158142B2System and method for maintaining pumpsSPM OIL & GAS INC·Filed 2021·Granted Dec 3, 2024·0 cites·20 claims
- 1248US2023138338A1Fluid end with selectively coated surfacesSPM OIL & GAS INC·Filed 2021·Application pending·0 cites
- 1335US2015354320A1Systems and methods for activating a downhole toolSMITH INTERNATIONAL·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →