Inventor · disambiguated record
Chih Lin
Also filed as: LIN CHIH · LIN CHIH C · LIN CHIH-CHIN
43 granted patents·11 pending applications·1,225 citations·filing 1996–2017
98Inventor score
Top patents by PatentIndex Score
54 records- 0198US7311159B2PCD face seal for earth-boring bitBAKER HUGHES INC·Filed 2006·Granted Dec 25, 2007·50 cites·18 claims
- 0297US7861805B2Conformal bearing for rock drill bitBAKER HUGHES INC·Filed 2008·Granted Jan 4, 2011·35 cites·17 claims
- 0397US7234541B2DLC coating for earth-boring bit seal ringBAKER HUGHES INC·Filed 2002·Granted Jun 26, 2007·69 cites·16 claims
- 0497US6540033B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Apr 1, 2003·167 cites·44 claims
- 0595US6626251B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Sep 30, 2003·115 cites·40 claims
- 0693US8991525B2Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methodsBILEN JUAN MIGUEL·Filed 2012·Granted Mar 31, 2015·16 cites·15 claims
- 0793US6450271B1Surface modifications for rotary drill bitsBAKER HUGHES INC·Filed 2000·Granted Sep 17, 2002·146 cites·55 claims
- 0892US6543312B2Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Apr 8, 2003·83 cites·5 claims
- 0992US6230822B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 1998·Granted May 15, 2001·111 cites·38 claims
- 1092US6026917AEarth-boring bit with improved bearing sealBAKER HUGHES INC·Filed 1997·Granted Feb 22, 2000·58 cites·20 claims
- 1190US9112398B2Nitrogen- and ceramic-surface-treated components for downhole motors and related methodsBAKER HUGHES INC·Filed 2013·Granted Aug 18, 2015·6 cites·18 claims
- 1289US9821437B2Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methodsBAKER HUGHES INC·Filed 2015·Granted Nov 21, 2017·5 cites·15 claims
- 1388US8967301B2Composite metallic elastomeric sealing components for roller cone drill bitsCURRY DAVID A·Filed 2010·Granted Mar 3, 2015·14 cites·10 claims
- 1486US6419032B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Jul 16, 2002·51 cites·30 claims
- 1583US6684966B2PCD face seal for earth-boring bitBAKER HUGHES INC·Filed 2001·Granted Feb 3, 2004·53 cites·18 claims
- 1682US8834026B2Bearings for downhole tools, downhole tools incorporating such bearings, and methods of cooling such bearingsFLORES ALEJANDRO·Filed 2011·Granted Sep 16, 2014·7 cites·13 claims
- 1780US9249629B2Enhanced backup ring edge features for metal face seal in roller cone drill bitsBAKER HUGHES INC·Filed 2015·Granted Feb 2, 2016·2 cites·10 claims
- 1880US7413037B2Metal face seal for an earth-boring bitBAKER HUGHES INC·Filed 2005·Granted Aug 19, 2008·20 cites·9 claims
- 1980US7128173B2PCD face seal for earth-boring bitBAKER HUGHES INC·Filed 2004·Granted Oct 31, 2006·46 cites·15 claims
- 2078US9843244B2Nitrogen- and ceramic-surface-treated components for downhole motors and related methodsBAKER HUGHES INC·Filed 2015·Granted Dec 12, 2017·1 cites·20 claims
- 2172US11229989B2Methods of forming cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methodsBAKER HUGHES HOLDINGS LLC·Filed 2017·Granted Jan 25, 2022·1 cites·17 claims
- 2271US7241049B2Micropore engagement surfaces for earth boring bitBAKER HUGHES INC·Filed 2004·Granted Jul 10, 2007·11 cites·18 claims
- 2370US8028770B2Conformal bearing for rock drill bitBAKER HUGHES INC·Filed 2010·Granted Oct 4, 2011·3 cites·20 claims
- 2467US7559381B2Surface textures for earth boring bitsBAKER HUGHES INC·Filed 2007·Granted Jul 14, 2009·9 cites·22 claims
- 2565US7350600B2Shirttails for reducing damaging effects of cuttingsBAKER HUGHES INC·Filed 2006·Granted Apr 1, 2008·7 cites·17 claims
- 2664US10151148B2Composite metallic elastomeric sealing components for roller cone drill bitsBAKER HUGHES INC·Filed 2015·Granted Dec 11, 2018·1 cites·13 claims
- 2764US9157280B2Enhanced backup ring features for metal face seal in roller cone drill bitsBAKER HUGHES INC·Filed 2013·Granted Oct 13, 2015·2 cites·23 claims
- 2864US7708090B2Excluder ring for earth-boring bitBAKER HUGHES INC·Filed 2006·Granted May 4, 2010·8 cites·7 claims
- 2963US6834865B1Horizontal balance control system of motor vehicleFiled 2003·Granted Dec 28, 2004·14 cites·6 claims
- 3061US9290997B2Downhole tools including bearings and methods of forming sameBAKER HUGHES INC·Filed 2014·Granted Mar 22, 2016·1 cites·18 claims
- 3159US7182162B2Shirttails for reducing damaging effects of cuttingsBAKER HUGHES INC·Filed 2004·Granted Feb 27, 2007·17 cites·26 claims
- 3259US6142249AEarth-boring bit with improved bearing sealBAKER HUGHES INC·Filed 1999·Granted Nov 7, 2000·32 cites·19 claims
- 3356US7735583B2Roller cone bit bearing with elastomeric seal having self break-in property and methodBAKER HUGHES INC·Filed 2007·Granted Jun 15, 2010·4 cites·23 claims
- 3455US8196682B2Earth boring bit with wear resistant bearing and sealDICK AARON J·Filed 2009·Granted Jun 12, 2012·5 cites·21 claims
- 3555US7306061B2Mud diverter for earth-boring bitBAKER HUGHES INC·Filed 2005·Granted Dec 11, 2007·3 cites·19 claims
- 3654US5791421AOptimal material pair for metal face seal in earth-boring bitsBAKER HUGHES INC·Filed 1996·Granted Aug 11, 1998·33 cites·10 claims
- 3753US7628231B2Protector for rock bit sealsBAKER HUGHES INC·Filed 2006·Granted Dec 8, 2009·3 cites·18 claims
- 3850US7128171B2Hydrodynamic pump passages for rolling cone drill bitBAKER HUGHES INC·Filed 2004·Granted Oct 31, 2006·12 cites·23 claims
- 3942US2009321146A1Earth Boring Bit with DLC Coated Bearing and SealBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4042US2010163313A1Engineered Bearing Surface For Rock Drilling BitBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4142US2011024199A1Seal Ring With Auxiliary Ring for Earth-Boring BitBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4241US7896109B2Spacer ring for elastomeric sealBAKER HUGHES INC·Filed 2008·Granted Mar 1, 2011·0 cites·20 claims
- 4341US7066287B2Mud debris diverter for earth-boring bitBAKER HUGHES INC·Filed 2004·Granted Jun 27, 2006·2 cites·20 claims
- 4441US2010071960A1System, Method and Apparatus for Composite Seal Gland Insert in Roller Cone Rock BitBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4541US2009205873A1Downhole tool bearing system containing diamond enhanced materialsBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4641US2011048810A1Synergic surface modification for bearing sealBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4740US2009260888A1Fiber Reinforced Pressure Compensator DiaphragmBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 4839US7066286B2Gage surface scraperBAKER HUGHES INC·Filed 2004·Granted Jun 27, 2006·2 cites·17 claims
- 4939US2008257610A1Elastomer Material for High Temperature Roller Cone BitsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 5038US9909365B2Downhole tools having mechanical joints with enhanced surfacesLIN CHIH·Filed 2011·Granted Mar 6, 2018·0 cites·7 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →