Inventor · disambiguated record
Mark Colebrook
Also filed as: COLEBROOK MARK · COLEBROOK MARK A
4 granted patents·415 citations·filing 1995–2021
81Inventor score
Files withASTOR BANNERMAN MEDICAL LTD1CAMCO DRILLING GROUP LTD1CAMCO INT UK LTD1SCHLUMBERGER WCP LTD1
Top patents by PatentIndex Score
4 records- 0192US5603385ARotatable pressure sealCAMCO DRILLING GROUP LTD·Filed 1995·Granted Feb 18, 1997·174 cites·17 claims
- 0291US5971085ADownhole unit for use in boreholes in a subsurface formationCAMCO INT UK LTD·Filed 1997·Granted Oct 26, 1999·193 cites·16 claims
- 0375US6962214B2Rotary seal for directional drilling toolsSCHLUMBERGER WCP LTD·Filed 2001·Granted Nov 8, 2005·48 cites·17 claims
- 0437US11647845B2Changing tableASTOR BANNERMAN MEDICAL LTD·Filed 2021·Granted May 16, 2023·0 cites·18 claims
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