Assignee
VAREL INT IND LP
US·40 granted patents·16 pending applications·113 citations·filing 2003–2019
Top patents by PatentIndex Score
56 records- 0196US8365846B2Polycrystalline diamond cutter with high thermal conductivityVAREL INT IND LP·Filed 2010·Granted Feb 5, 2013·35 cites·34 claims
- 0290US10031056B2Thermomechanical testing of shear cuttersVAREL INT IND LP·Filed 2016·Granted Jul 24, 2018·4 cites·12 claims
- 0381US7258833B2High-energy cascading of abrasive wear componentsVAREL INT IND LP·Filed 2003·Granted Aug 21, 2007·27 cites·40 claims
- 0478US9488012B2Streamlined pocket design for PDC drill bitsVAREL INT IND LP·Filed 2013·Granted Nov 8, 2016·5 cites·19 claims
- 0575US9869130B2Ultra-high ROP blade enhancementVAREL INT IND LP·Filed 2015·Granted Jan 16, 2018·3 cites·22 claims
- 0674US9394747B2PCD cutters with improved strength and thermal stabilityVAREL INT IND LP·Filed 2013·Granted Jul 19, 2016·3 cites·20 claims
- 0773US7677333B2Drill bit with multiple cutter geometriesVAREL INT IND LP·Filed 2006·Granted Mar 16, 2010·11 cites·30 claims
- 0872US9291006B2Downhole tool retainer and guide ring and methods of fabricating the sameVAREL INT IND LP·Filed 2012·Granted Mar 22, 2016·3 cites·14 claims
- 0971US9988854B2Roller cone drill bit with improved erosion resistanceVAREL INT IND LP·Filed 2016·Granted Jun 5, 2018·2 cites·17 claims
- 1068US9377428B2Non-destructive leaching depth measurement using capacitance spectroscopyVAREL INT IND LP·Filed 2014·Granted Jun 28, 2016·1 cites·14 claims
- 1167US7721827B2Rock bit having a seal gland with a conical sealing surfaceVAREL INT IND LP·Filed 2008·Granted May 25, 2010·8 cites·32 claims
- 1265US8347683B2Texturing of the seal surface for a roller cone rock bitVAREL INT IND LP·Filed 2009·Granted Jan 8, 2013·2 cites·18 claims
- 1362US10590525B2Modified surface properties of percussion tools used in downhole drillingVAREL INT IND LP·Filed 2018·Granted Mar 17, 2020·0 cites·11 claims
- 1462US9469015B2Impregnated rotary bit with high density monoblock center structureVAREL INT IND LP·Filed 2013·Granted Oct 18, 2016·2 cites·14 claims
- 1562US9435158B2Use of tungsten carbide tube rod to hard-face PDC matrixVAREL INT IND LP·Filed 2012·Granted Sep 6, 2016·0 cites·17 claims
- 1662US9328558B2Coating of the piston for a rotating percussion system in downhole drillingVAREL INT IND LP·Filed 2013·Granted May 3, 2016·2 cites·20 claims
- 1760US9828810B2Mill-drill cutter and drill bitVAREL INT IND LP·Filed 2015·Granted Nov 28, 2017·1 cites·22 claims
- 1859US9539700B2High temperature high heating rate treatment of PDC cuttersVAREL INT IND LP·Filed 2015·Granted Jan 10, 2017·0 cites·7 claims
- 1959US9376866B2Hybrid rotary cone drill bitVAREL INT IND LP·Filed 2013·Granted Jun 28, 2016·2 cites·14 claims
- 2057US9091130B2Rock bit having a radially self-aligning metal faced sealVAREL INT IND LP·Filed 2013·Granted Jul 28, 2015·1 cites·23 claims
- 2156US9708858B2Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other toolsVAREL INT IND LP·Filed 2013·Granted Jul 18, 2017·1 cites·12 claims
- 2256US7832505B2Rock bit with a thermal insulating seal ring positioned in the seal glandVAREL INT IND LP·Filed 2008·Granted Nov 16, 2010·0 cites·35 claims
- 2355US9481057B2Method for applying hardfacing to a matrix substrate of a drill bitVAREL INT IND LP·Filed 2013·Granted Nov 1, 2016·0 cites·16 claims
- 2455US2017043378A1Apparatus to improve the performance of a leached cutterVAREL INT IND LP·Filed 2015·Application pending·0 cites
- 2554US9951409B2Modified surface properties of percussion tools used in downhole drillingVAREL INT IND LP·Filed 2015·Granted Apr 24, 2018·0 cites·20 claims
- 2653US2013192900A1Texturing of the bearing surface for a roller cone rock bitVAREL INT IND LP·Filed 2013·Application pending·0 cites
- 2752US2015090501A1Roller cutter drill bit with mixed bearing typesVAREL INT IND LP·Filed 2014·Application pending·0 cites
- 2852US2016201400A1Flow through gauge for drill bitVAREL INT IND LP·Filed 2016·Application pending·0 cites
- 2951US9695647B2Downhole tool retainer and guide ringVAREL INT IND LP·Filed 2015·Granted Jul 4, 2017·0 cites·15 claims
- 3051US2019063161A1Hybrid rotary cone drill bitVAREL INT IND LP·Filed 2018·Application pending·0 cites
- 3150US2013067824A1Attachment of thermally stable polycrystalline to a substrate and compacts constructedVAREL INT IND LP·Filed 2012·Application pending·0 cites
- 3249US9423436B2Method and apparatus to assess the thermal damage caused to a PCD cutter using capacitance spectroscopyVAREL INT IND LP·Filed 2013·Granted Aug 23, 2016·0 cites·18 claims
- 3349US9289864B2Method for repairing or reinforcing cutter pockets of a drill bitVAREL INT IND LP·Filed 2013·Granted Mar 22, 2016·0 cites·15 claims
- 3449US2019271203A1Hybrid roller cone and junk mill bitVAREL INT IND LP·Filed 2019·Application pending·0 cites
- 3548US10538970B2Method for drilling out a plug using a hybrid rotary cone drill bitVAREL INT IND LP·Filed 2016·Granted Jan 21, 2020·0 cites·20 claims
- 3646US10337272B2Hybrid roller cone and junk mill bitVAREL INT IND LP·Filed 2017·Granted Jul 2, 2019·0 cites·19 claims
- 3745US9163458B2Rock bit having a flexible metal faced sealVAREL INT IND LP·Filed 2013·Granted Oct 20, 2015·0 cites·23 claims
- 3845US9163459B2Rock bit having a pressure balanced metal faced sealVAREL INT IND LP·Filed 2013·Granted Oct 20, 2015·0 cites·29 claims
- 3945US7971660B2Rock bit with a thermal insulating seal ring positioned in the seal glandVAREL INT IND LP·Filed 2010·Granted Jul 5, 2011·0 cites·37 claims
- 4045US2013067985A1Thermal-mechanical wear testing for pdc shear cuttersVAREL INT IND LP·Filed 2012·Application pending·0 cites
- 4145US2015233187A1Frac plug mill bitVAREL INT IND LP·Filed 2014·Application pending·0 cites
- 4244US2016076307A1Composite diaphragm for roller cone pressure compensation systemVAREL INT IND LP·Filed 2014·Application pending·0 cites
- 4342US2018231444A1Load controlled testing of shear cuttersVAREL INT IND LP·Filed 2017·Application pending·0 cites
- 4441US10494873B2Roller cone bit having gland for full seal captureVAREL INT IND LP·Filed 2017·Granted Dec 3, 2019·0 cites·19 claims
- 4541US9731404B2Method of manufacturing an impregnated structure for abradingVAREL INT IND LP·Filed 2015·Granted Aug 15, 2017·0 cites·24 claims
- 4641US9562392B2Field removable choke for mounting in the piston of a rotary percussion toolVAREL INT IND LP·Filed 2014·Granted Feb 7, 2017·0 cites·31 claims
- 4741US9404342B2Top mounted choke for percussion toolVAREL INT IND LP·Filed 2013·Granted Aug 2, 2016·0 cites·38 claims
- 4841US9375827B2Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other toolsVAREL INT IND LP·Filed 2013·Granted Jun 28, 2016·0 cites·23 claims
- 4941US2008264696A1Auto adaptable cutting structureVAREL INT IND LP·Filed 2008·Application pending·0 cites
- 5039US10508501B2Drill bit having shear cutters with reduced diameter substrateVAREL INT IND LP·Filed 2017·Granted Dec 17, 2019·0 cites·14 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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