Inventor
LIN CHIH
US26 patents
⚠️ This page may combine multiple inventors who share the name “LIN CHIH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
19 patentsUS6626251B1Sep 30, 2003
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
BAKER HUGHES INC115 citations98
US6540033B1Apr 1, 2003
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
BAKER HUGHES INC167 citations98
US6450271B1Sep 17, 2002
Surface modifications for rotary drill bits
BAKER HUGHES INC146 citations98
US6230822B1May 15, 2001
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
BAKER HUGHES INC111 citations98
US6543312B2Apr 8, 2003
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
BAKER HUGHES INC83 citations97
US6684966B2Feb 3, 2004
PCD face seal for earth-boring bit
BAKER HUGHES INC53 citations95
US6419032B1Jul 16, 2002
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
BAKER HUGHES INC51 citations95
US6026917AFeb 22, 2000
Earth-boring bit with improved bearing seal
BAKER HUGHES INC58 citations95
US7413037B2Aug 19, 2008
Metal face seal for an earth-boring bit
BAKER HUGHES INC20 citations92
US6142249ANov 7, 2000
Earth-boring bit with improved bearing seal
BAKER HUGHES INC32 citations92
US5791421AAug 11, 1998
Optimal material pair for metal face seal in earth-boring bits
BAKER HUGHES INC33 citations92
US7861805B2Jan 4, 2011
Conformal bearing for rock drill bit
BAKER HUGHES INC35 citations90
US7241049B2Jul 10, 2007
Micropore engagement surfaces for earth boring bit
BAKER HUGHES INC11 citations84
US7735583B2Jun 15, 2010
Roller cone bit bearing with elastomeric seal having self break-in property and method
BAKER HUGHES INC4 citations63
US9249629B2Feb 2, 2016
Enhanced backup ring edge features for metal face seal in roller cone drill bits
BAKER HUGHES INC2 citations62
US9157280B2Oct 13, 2015
Enhanced backup ring features for metal face seal in roller cone drill bits
BAKER HUGHES INC2 citations62
US8028770B2Oct 4, 2011
Conformal bearing for rock drill bit
BAKER HUGHES INC3 citations60
US7896109B2Mar 1, 2011
Spacer ring for elastomeric seal
BAKER HUGHES INC0 citations52
US7465096B2Dec 16, 2008
Earth boring bit with tilted hydrodynamic thrust bearing
BAKER HUGHES INC0 citations51
LIN CHIH
4 patentsUS8167578B2May 1, 2012
Switch and float assembly for a pump
LIN CHIH9 citations83
US8267640B1Sep 18, 2012
Turbine pump with floating raceway
LIN CHIH2 citations61
US9316055B2Apr 19, 2016
Drill bit with a dynamic metal seal
LIN CHIH1 citations48
US9909365B2Mar 6, 2018
Downhole tools having mechanical joints with enhanced surfaces
LIN CHIH0 citations40