Inventor · disambiguated record
Mark James
Also filed as: JAMES MARK · JAMES MARK C · JAMES MARK CHRISTOPHER
11 granted patents·209 citations·filing 1980–2015
91Inventor score
Top patents by PatentIndex Score
11 records- 0186US4583923ABellows latching mechanism for a submersible pumpHUGHES TOOL CO·Filed 1984·Granted Apr 22, 1986·45 cites·5 claims
- 0285US4781531ACentrifugal pump stage with abrasion resistant elementsHUGHES TOOL CO·Filed 1987·Granted Nov 1, 1988·54 cites·3 claims
- 0381US8016571B2Thrust and intake chamber for pumpBAKER HUGHES INC·Filed 2007·Granted Sep 13, 2011·16 cites·9 claims
- 0479US6726449B2Pump diffuser anti-spin deviceBAKER HUGHES INC·Filed 2002·Granted Apr 27, 2004·27 cites·17 claims
- 0565US6854517B2Electric submersible pump with specialized geometry for pumping viscous crude oilBAKER HUGHES INC·Filed 2002·Granted Feb 15, 2005·26 cites·20 claims
- 0664US10151315B2Horizontal pumping system with primary stage assembly and separate NPSH stage assemblyGE OIL & GAS ESP INC·Filed 2015·Granted Dec 11, 2018·1 cites·15 claims
- 0759US7409997B2Electric submersible pump with specialized geometry for pumping viscous crude oilBAKER HUGHES INC·Filed 2004·Granted Aug 12, 2008·19 cites·21 claims
- 0856US4262679AClosing mechanism for a harvester safety doorALLIS CHALMERS·Filed 1980·Granted Apr 21, 1981·13 cites·2 claims
- 0953US10280929B2Multistage centrifugal pump with integral abrasion-resistant axial thrust bearingsGE OIL & GAS ESP INC·Filed 2013·Granted May 7, 2019·1 cites·14 claims
- 1044US11506190B2Multi-stage high pressure flanged pump assemblyGE OIL & GAS ESP INC·Filed 2013·Granted Nov 22, 2022·0 cites·7 claims
- 1132US4381165AClutch for belt drive with means for limiting start-up torqueALLIS CHALMERS·Filed 1980·Granted Apr 26, 1983·7 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →