Inventor · disambiguated record
James Mcpherson
Also filed as: MCPHERSON JAMES · MCPHERSON JAMES N · MCPHERSON JAMES NORMAN
10 granted patents·609 citations·filing 1976–2008
92Inventor score
Top patents by PatentIndex Score
10 records- 0196US4789251ACooling networks for PCD bearing surfacesSMITH INTERNATIONAL·Filed 1988·Granted Dec 6, 1988·74 cites·36 claims
- 0294US7193527B2Swivel assemblyINTELLISERV INC·Filed 2004·Granted Mar 20, 2007·108 cites·17 claims
- 0393US4720199ABearing structure for downhole motorsSMITH INTERNATIONAL·Filed 1986·Granted Jan 19, 1988·162 cites·2 claims
- 0492US4764036APCD enhanced radial bearingSMITH INTERNATIONAL·Filed 1987·Granted Aug 16, 1988·120 cites·21 claims
- 0592US4708496ADiamond bearing and manufacture thereofSMITH INTERNATIONAL·Filed 1986·Granted Nov 24, 1987·70 cites·20 claims
- 0689US7828301B2Self-energized backup ring for annular sealsINTELLISERV LLC·Filed 2008·Granted Nov 9, 2010·16 cites·15 claims
- 0768US6991035B2Drilling jar for use in a downhole networkINTELLISERV INC·Filed 2003·Granted Jan 31, 2006·32 cites·24 claims
- 0860US4058788ADifferential pressure transducerBOURNS INC·Filed 1976·Granted Nov 15, 1977·15 cites·13 claims
- 0950US7275594B2Stab guideINTELLISERV INC·Filed 2005·Granted Oct 2, 2007·3 cites·22 claims
- 1047US7303029B2Filter for a drill stringINTELLISERV INC·Filed 2004·Granted Dec 4, 2007·9 cites·19 claims
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