Inventor
JUREWICZ STEPHEN R
US18 patents
⚠️ This page may combine multiple inventors who share the name “JUREWICZ STEPHEN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
10 patentsUS6220375B1Apr 24, 2001
Polycrystalline diamond cutters having modified residual stresses
BAKER HUGHES INC187 citations99
US6000483ADec 14, 1999
Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
BAKER HUGHES INC148 citations99
US5706906AJan 13, 1998
Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped
BAKER HUGHES INC231 citations99
US6098730AAug 8, 2000
Earth-boring bit with super-hard cutting elements
BAKER HUGHES INC96 citations97
US6872356B2Mar 29, 2005
Method of forming polycrystalline diamond cutters having modified residual stresses
BAKER HUGHES INC45 citations96
US5273125ADec 28, 1993
Fixed cutter bit with improved diamond filled compacts
BAKER HUGHES INC55 citations96
US5248006ASep 28, 1993
Rotary rock bit with improved diamond-filled compacts
BAKER HUGHES INC85 citations96
US6521174B1Feb 18, 2003
Method of forming polycrystalline diamond cutters having modified residual stresses
BAKER HUGHES INC33 citations92
US5758733AJun 2, 1998
Earth-boring bit with super-hard cutting elements
BAKER HUGHES INC28 citations92
US5855247AJan 5, 1999
Rolling-cutter earth-boring bit having predominantly super-hard cutting elements
BAKER HUGHES INC18 citations79
HUGHES TOOL CO
4 patentsUS5159857ANov 3, 1992
Fixed cutter bit with improved diamond filled compacts
HUGHES TOOL CO59 citations96
US5119714AJun 9, 1992
Rotary rock bit with improved diamond filled compacts
HUGHES TOOL CO95 citations96
US5173090ADec 22, 1992
Rock bit compact and method of manufacture
HUGHES TOOL CO27 citations92
US5128080AJul 7, 1992
Method of forming diamond impregnated carbide via the in-situ conversion of dispersed graphite
HUGHES TOOL CO33 citations86
US SYNTHETIC CORP
3 patentsUS5875862AMar 2, 1999
Polycrystalline diamond cutter with integral carbide/diamond transition layer
US SYNTHETIC CORP280 citations99
US6068071AMay 30, 2000
Cutter with polycrystalline diamond layer and conic section profile
US SYNTHETIC CORP96 citations98
US5979579ANov 9, 1999
Polycrystalline diamond cutter with enhanced durability
US SYNTHETIC CORP64 citations96