Inventor · disambiguated record
John Forrest
Also filed as: FORREST JOHN · FORREST JOHN C · FORREST JOHN CHARLES · FORREST JOHN CHARLES MACINTOSH
12 granted patents·2 pending applications·647 citations·filing 1986–2019
93Inventor score
Files withDRILEX SYST INC5DRILEX LTD3CLEAN SLURRY TECH INC2DRILEX UK LIMITED AND EASTMAN1FORREST JOHN1
Top patents by PatentIndex Score
14 records- 0195US5171138AComposite stator construction for downhole drilling motorsDRILEX SYST INC·Filed 1992·Granted Dec 15, 1992·183 cites·10 claims
- 0290US5248896APower generation from a multi-lobed drilling motorDRILEX SYST INC·Filed 1992·Granted Sep 28, 1993·82 cites·19 claims
- 0385US4901806AApparatus for controlled absorption of axial and torsional forces in a well stringDRILEX SYST INC·Filed 1988·Granted Feb 20, 1990·86 cites·22 claims
- 0482US4775017ADrilling using downhole drilling toolsDRILEX LTD·Filed 1987·Granted Oct 4, 1988·72 cites·10 claims
- 0576US5269383ANavigable downhole drilling systemDRILEX SYST INC·Filed 1992·Granted Dec 14, 1993·68 cites·22 claims
- 0675US4807708ADirectional drilling of a drill stringDRILEX UK LIMITED AND EASTMAN·Filed 1986·Granted Feb 28, 1989·67 cites·4 claims
- 0771US4796704ADrop ball sub-assembly for a down-hole deviceDRILEX LTD·Filed 1986·Granted Jan 10, 1989·29 cites·9 claims
- 0869US11104837B2Drilling fluids and methods for making the sameCLEAN SLURRY TECH INC·Filed 2019·Granted Aug 31, 2021·0 cites·20 claims
- 0966US10421892B2Drilling fluids and methods for making the sameCLEAN SLURRY TECH INC·Filed 2018·Granted Sep 24, 2019·0 cites·12 claims
- 1059US4926949AThermal shield for drilling motorsDRILEX SYST INC·Filed 1988·Granted May 22, 1990·31 cites·31 claims
- 1144US2007189854A1Apparatus and method for flood defenceFORREST JOHN CHARLES MACINTOSH·Filed 2005·Application pending·0 cites
- 1243US4844179ADrill string stabilizerDRILEX LTD·Filed 1986·Granted Jul 4, 1989·16 cites·6 claims
- 1341US6118542AMethod and apparatus for determination of a quality property of a piece of meatPURDUE RESEARCH FOUNDATION·Filed 1998·Granted Sep 12, 2000·13 cites·10 claims
- 1434US2012110897A1Biofuel ProductionFORREST JOHN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →