Assignee
LONGYEAR TM INC
US·95 granted patents·28 pending applications·891 citations·filing 2006–2023
Top patents by PatentIndex Score
123 records- 0198US7695542B2Fiber-containing diamond-impregnated cutting toolsLONGYEAR TM INC·Filed 2007·Granted Apr 13, 2010·112 cites·20 claims
- 0297US8051929B2Core drill bits with enclosed fluid slotsLONGYEAR TM INC·Filed 2010·Granted Nov 8, 2011·27 cites·20 claims
- 0395US7628228B2Core drill bit with extended crown heightLONGYEAR TM INC·Filed 2006·Granted Dec 8, 2009·45 cites·9 claims
- 0494US7828090B2Drill bits with enclosed fluid slots and internal flutesLONGYEAR TM INC·Filed 2009·Granted Nov 9, 2010·39 cites·20 claims
- 0592US10465463B2Core barrel head assembly with an integrated sample orientation tool and system for using sameLONGYEAR TM INC·Filed 2018·Granted Nov 5, 2019·5 cites·25 claims
- 0692US10384907B2Wireline system and methods of using sameLONGYEAR TM INC·Filed 2015·Granted Aug 20, 2019·15 cites·31 claims
- 0792US10047581B2Core barrel head assembly with an integrated sample orientation tool and system for using sameLONGYEAR TM INC·Filed 2015·Granted Aug 14, 2018·7 cites·33 claims
- 0891US10077609B2Drill bits having flushingLONGYEAR TM INC·Filed 2016·Granted Sep 18, 2018·8 cites·49 claims
- 0991US9446503B2High-strength, high-hardness binders and drilling tools formed using the sameLONGYEAR TM INC·Filed 2014·Granted Sep 20, 2016·4 cites·18 claims
- 1091US8051925B2Core barrel assemblies with braking devicesLONGYEAR TM INC·Filed 2011·Granted Nov 8, 2011·12 cites·18 claims
- 1191USD624564SSpearhead baseLONGYEAR TM INC·Filed 2009·Granted Sep 28, 2010·28 cites·1 claims
- 1291USD622741SSpearheadLONGYEAR TM INC·Filed 2009·Granted Aug 31, 2010·28 cites·1 claims
- 1391USD622294SSpearhead baseLONGYEAR TM INC·Filed 2009·Granted Aug 24, 2010·28 cites·1 claims
- 1491USD622293SSpearheadLONGYEAR TM INC·Filed 2009·Granted Aug 24, 2010·29 cites·1 claims
- 1590US11466529B2Core barrel head assembly with an integrated sample orientation tool and system for using sameLONGYEAR TM INC·Filed 2020·Granted Oct 11, 2022·2 cites·20 claims
- 1690US7967085B2Braking devices for use in drilling operationsLONGYEAR TM INC·Filed 2009·Granted Jun 28, 2011·27 cites·18 claims
- 1790US7918288B2Drill bits with enclosed fluid slots and methodLONGYEAR TM INC·Filed 2009·Granted Apr 5, 2011·24 cites·20 claims
- 1889US10830013B2Core barrel head assembly with an integrated sample orientation tool and system for using sameLONGYEAR TM INC·Filed 2019·Granted Nov 10, 2020·3 cites·25 claims
- 1988US10702975B2Drilling tools having matrices with carbide-forming alloys, and methods of making and using sameLONGYEAR TM INC·Filed 2016·Granted Jul 7, 2020·5 cites·34 claims
- 2088US7900716B2Vibratory unit for drilling systemsLONGYEAR TM INC·Filed 2008·Granted Mar 8, 2011·34 cites·24 claims
- 2186US9637980B2Diamond impregnated bit with aggressive face profileLONGYEAR TM INC·Filed 2015·Granted May 2, 2017·4 cites·18 claims
- 2286US9074429B2Drill bits with axially-tapered waterwaysLONGYEAR TM INC·Filed 2013·Granted Jul 7, 2015·7 cites·34 claims
- 2383US9279292B2Drill bits having flushing and systems for using sameLONGYEAR TM INC·Filed 2013·Granted Mar 8, 2016·6 cites·26 claims
- 2483US8051924B2Methods of braking core barrel assembliesLONGYEAR TM INC·Filed 2011·Granted Nov 8, 2011·6 cites·20 claims
- 2583US7828079B2Sonic wireline dry slough barrelLONGYEAR TM INC·Filed 2008·Granted Nov 9, 2010·27 cites·27 claims
- 2681US9546524B2Handling and recovery devices for tubular members and associated methodsLONGYEAR TM INC·Filed 2014·Granted Jan 17, 2017·5 cites·30 claims
- 2780US10626684B2Handling and recovery devices for tubular members and associated methodsLONGYEAR TM INC·Filed 2018·Granted Apr 21, 2020·2 cites·11 claims
- 2880US10119344B2Handling and recovery devices for tubular members and associated methodsLONGYEAR TM INC·Filed 2016·Granted Nov 6, 2018·2 cites·11 claims
- 2980US7975785B2Drilling systems including fiber-containing diamond-impregnated cutting toolsLONGYEAR TM INC·Filed 2008·Granted Jul 12, 2011·12 cites·21 claims
- 3077US8028613B2Valve system for drilling systemsLONGYEAR TM INC·Filed 2010·Granted Oct 4, 2011·5 cites·26 claims
- 3177USD630656SDrill bitLONGYEAR TM INC·Filed 2010·Granted Jan 11, 2011·22 cites·1 claims
- 3275US8991791B2Hoist spooling assembly and methods of using sameLONGYEAR TM INC·Filed 2012·Granted Mar 31, 2015·6 cites·20 claims
- 3375US7997167B2Clamping and breaking deviceLONGYEAR TM INC·Filed 2008·Granted Aug 16, 2011·16 cites·20 claims
- 3474US9328608B2Driven latch mechanismLONGYEAR TM INC·Filed 2014·Granted May 3, 2016·3 cites·26 claims
- 3574US7874384B2Drill bits with increased crown heightLONGYEAR TM INC·Filed 2009·Granted Jan 25, 2011·8 cites·20 claims
- 3674US2023124651A1Core barrel head assembly with an integrated sample orientation tool and system for using sameLONGYEAR TM INC·Filed 2022·Application pending·0 cites
- 3773US11976551B2Devices, systems, and methods for wireless data acquisition during drilling operationsLONGYEAR TM INC·Filed 2022·Granted May 7, 2024·0 cites·21 claims
- 3873US9593543B2Drill rod handling system for moving drill rods to and from an operative positionLONGYEAR TM INC·Filed 2014·Granted Mar 14, 2017·4 cites·19 claims
- 3973US9404311B2Fiber-containing diamond-impregnated cutting tools and methods of forming and using sameLONGYEAR TM INC·Filed 2014·Granted Aug 2, 2016·0 cites·35 claims
- 4073US9359847B2High productivity core drilling systemLONGYEAR TM INC·Filed 2012·Granted Jun 7, 2016·4 cites·24 claims
- 4173USD647540SCore barrel sleeve with axial groovesLONGYEAR TM INC·Filed 2011·Granted Oct 25, 2011·11 cites·1 claims
- 4273USD647115SDrill bit waterwayLONGYEAR TM INC·Filed 2010·Granted Oct 18, 2011·15 cites·1 claims
- 4373USD644673SCore lifterLONGYEAR TM INC·Filed 2010·Granted Sep 6, 2011·19 cites·1 claims
- 4473US2024003192A1Continuous Sampling Drill BitLONGYEAR TM INC·Filed 2023·Application pending·0 cites
- 4572US10053973B2Braking devices for drilling operations, and systems and methods of using sameLONGYEAR TM INC·Filed 2015·Granted Aug 21, 2018·2 cites·26 claims
- 4672US8006783B2Helical drilling apparatus, systems, and methodsLONGYEAR TM INC·Filed 2010·Granted Aug 30, 2011·4 cites·23 claims
- 4772US7900719B2Bi-steel percussive drill rodLONGYEAR TM INC·Filed 2009·Granted Mar 8, 2011·13 cites·21 claims
- 4871US7997166B2Methods and apparatus for joint disassemblyLONGYEAR TM INC·Filed 2008·Granted Aug 16, 2011·17 cites·25 claims
- 4970US9500036B2Single-waterway drill bits and systems for using sameLONGYEAR TM INC·Filed 2014·Granted Nov 22, 2016·3 cites·22 claims
- 5070USD647114SDrill bit with tapered waterwayLONGYEAR TM INC·Filed 2010·Granted Oct 18, 2011·13 cites·1 claims
Showing the top 50 of 123 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when LONGYEAR TM INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →