Inventor
BELNAP J DANIEL
US62 patents
⚠️ This page may combine multiple inventors who share the name “BELNAP J DANIEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
31 patentsUS7757793B2Jul 20, 2010
Thermally stable polycrystalline ultra-hard constructions
SMITH INTERNATIONAL55 citations98
US7377341B2May 27, 2008
Thermally stable ultra-hard material compact construction
SMITH INTERNATIONAL244 citations98
US6199645B1Mar 13, 2001
Engineered enhanced inserts for rock drilling bits
SMITH INTERNATIONAL125 citations98
US6460637B1Oct 8, 2002
Engineered enhanced inserts for rock drilling bits
SMITH INTERNATIONAL86 citations97
US7828088B2Nov 9, 2010
Thermally stable ultra-hard material compact construction
SMITH INTERNATIONAL39 citations96
US7441610B2Oct 28, 2008
Ultrahard composite constructions
SMITH INTERNATIONAL50 citations96
US7980334B2Jul 19, 2011
Diamond-bonded constructions with improved thermal and mechanical properties
SMITH INTERNATIONAL33 citations92
US7909121B2Mar 22, 2011
Polycrystalline ultra-hard compact constructions
SMITH INTERNATIONAL32 citations92
US6419034B1Jul 16, 2002
Engineered enhanced inserts for rock drilling bits
SMITH INTERNATIONAL17 citations92
US6460636B1Oct 8, 2002
Drill bit inserts with variations in thickness of diamond coating
SMITH INTERNATIONAL27 citations91
US7543662B2Jun 9, 2009
Stress-relieved diamond inserts
SMITH INTERNATIONAL48 citations90
US8372334B2Feb 12, 2013
Method of making diamond-bonded constructions with improved thermal and mechanical properties
SMITH INTERNATIONAL6 citations84
US8365844B2Feb 5, 2013
Diamond bonded construction with thermally stable region
SMITH INTERNATIONAL5 citations83
US7862634B2Jan 4, 2011
Polycrystalline composites reinforced with elongated nanostructures
SMITH INTERNATIONAL11 citations83
US7152701B2Dec 26, 2006
Cutting element structure for roller cone bit
SMITH INTERNATIONAL33 citations83
US7470341B2Dec 30, 2008
Method of manufacturing a cutting element from a partially densified substrate
SMITH INTERNATIONAL9 citations79
US10480252B2Nov 19, 2019
Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements
SMITH INTERNATIONAL2 citations73
US10239273B2Mar 26, 2019
Thermal insulation layer and pressure transfer medium for high-pressure high-temperature cell
SMITH INTERNATIONAL2 citations73
US10105824B2Oct 23, 2018
Chemical leaching/thermal decomposing carbonate in carbonate PCD
SMITH INTERNATIONAL2 citations73
US10107042B2Oct 23, 2018
Ultra-hard constructions with erosion resistance
SMITH INTERNATIONAL3 citations72
US10315175B2Jun 11, 2019
Method of making carbonate PCD and sintering carbonate PCD on carbide substrate
SMITH INTERNATIONAL3 citations71
US9956666B2May 1, 2018
Cutting element and a method of manufacturing a cutting element
SMITH INTERNATIONAL2 citations68
US11306542B2Apr 19, 2022
Thermally stable polycrystalline diamond and methods of making the same
SMITH INTERNATIONAL0 citations62
US11199051B2Dec 14, 2021
Cutting elements with wear resistant diamond surface
SMITH INTERNATIONAL0 citations62
US8622154B2Jan 7, 2014
Diamond bonded construction with thermally stable region
SMITH INTERNATIONAL3 citations62
US11731092B2Aug 22, 2023
Method of making carbonate PCD and sintering carbonate PCD on carbide substrate
SMITH INTERNATIONAL0 citations60
US10364614B2Jul 30, 2019
Polycrystalline ultra-hard constructions with multiple support members
SMITH INTERNATIONAL0 citations52
US10173299B2Jan 8, 2019
Polycrystalline diamond constructions having optimized material composition
SMITH INTERNATIONAL0 citations52
US10119340B2Nov 6, 2018
Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements
SMITH INTERNATIONAL0 citations52
US10016873B2Jul 10, 2018
Diamond enhanced insert with controlled diamond frame strength
SMITH INTERNATIONAL0 citations52
US9234391B2Jan 12, 2016
Shear cutter with improved wear resistance of WC-CO substrate
SMITH INTERNATIONAL1 citations52
SCHLUMBERGER TECHNOLOGY CORP
6 patentsUS12421120B2Sep 23, 2025
Nanodiamond with vacancy defect and quantum dot luminescence
SCHLUMBERGER TECHNOLOGY CORP2 citations75
US12325814B2Jun 10, 2025
Luminescent diamond
SCHLUMBERGER TECHNOLOGY CORP2 citations75
US12275005B2Apr 15, 2025
Luminescent diamond and method of making the same
SCHLUMBERGER TECHNOLOGY CORP2 citations75
US12385324B2Aug 12, 2025
Two-stage drill bit
SCHLUMBERGER TECHNOLOGY CORP0 citations63
US11952896B2Apr 9, 2024
Rotary tool with thermally stable diamond
SCHLUMBERGER TECHNOLOGY CORP0 citations61
US12270477B2Apr 8, 2025
Needle for a choke valve assembly
SCHLUMBERGER TECHNOLOGY CORP0 citations59
BELNAP J DANIEL
4 patentsUS8567531B2Oct 29, 2013
Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements
BELNAP J DANIEL25 citations92
US8535400B2Sep 17, 2013
Techniques and materials for the accelerated removal of catalyst material from diamond bodies
BELNAP J DANIEL13 citations80
US8932377B2Jan 13, 2015
Deep leach pressure vessel for shear cutters
BELNAP J DANIEL6 citations71
US8689912B2Apr 8, 2014
Polycrystalline diamond constructions having optimized material composition
BELNAP J DANIEL3 citations62
VORONIN GEORGIY
4 patentsUS8061454B2Nov 22, 2011
Ultra-hard and metallic constructions comprising improved braze joint
VORONIN GEORGIY31 citations92
US8083012B2Dec 27, 2011
Diamond bonded construction with thermally stable region
VORONIN GEORGIY20 citations91
US8672061B2Mar 18, 2014
Polycrystalline ultra-hard compact constructions
VORONIN GEORGIY4 citations70
US9217296B2Dec 22, 2015
Polycrystalline ultra-hard constructions with multiple support members
VORONIN GEORGIY2 citations62
MIDDLEMISS STEWART N
1 patentFAN GUOJIANG
1 patentCARIVEAU PETER
1 patentYU FENG
1 patentZHAN GUODONG
1 patentShowing the top 50 of 62 patents by PatentIndex Score.