Inventor
PESSIER RUDOLF C
US21 patents
⚠️ This page may combine multiple inventors who share the name “PESSIER RUDOLF C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
13 patentsUS5407022AApr 18, 1995
Free cutting gage insert with relief angle
BAKER HUGHES INC70 citations96
US7240746B2Jul 10, 2007
Bit gage hardfacing
BAKER HUGHES INC34 citations92
US7647991B2Jan 19, 2010
Cutting structure for earth-boring bit to reduce tracking
BAKER HUGHES INC19 citations89
US7343990B2Mar 18, 2008
Rotary rock bit with hardfacing to reduce cone erosion
BAKER HUGHES INC31 citations89
US8347989B2Jan 8, 2013
Hole opener with hybrid reaming section and method of making
BAKER HUGHES INC12 citations84
US9353575B2May 31, 2016
Hybrid drill bits having increased drilling efficiency
BAKER HUGHES INC9 citations82
US9476259B2Oct 25, 2016
System and method for leg retention on hybrid bits
BAKER HUGHES INC4 citations72
US10190366B2Jan 29, 2019
Hybrid drill bits having increased drilling efficiency
BAKER HUGHES INC3 citations71
US10072462B2Sep 11, 2018
Hybrid drill bits
BAKER HUGHES INC2 citations71
US9670736B2Jun 6, 2017
Hybrid drill bit
BAKER HUGHES INC3 citations71
US7628230B2Dec 8, 2009
Wide groove roller cone bit
BAKER HUGHES INC0 citations52
US7600590B2Oct 13, 2009
Low projection inserts for rock bits
BAKER HUGHES INC1 citations51
USRE42445EJun 14, 2011
Cutting structure for earth-boring bit to reduce tracking
BAKER HUGHES INC0 citations49
ERSAN SILVINO M
3 patentsUS9080390B2Jul 14, 2015
Turbine driven reaming bit with profile limiting torque fluctuation
ERSAN SILVINO M3 citations57
US8978787B2Mar 17, 2015
Turbine driven reaming bit with blades and cutting structure extending into concave nose
ERSAN SILVINO M3 citations57
US8973685B2Mar 10, 2015
Turbine driven reaming bit with stability and cutting efficiency features
ERSAN SILVINO M3 citations57