Inventor
BAO YAHUA
US33 patents
⚠️ This page may combine multiple inventors who share the name “BAO YAHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
22 patentsUS10239273B2Mar 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
US9539703B2Jan 10, 2017
Carbonate PCD with a distribution of Si and/or Al
SMITH INTERNATIONAL4 citations72
US11492852B2Nov 8, 2022
Mechanical locking of cutting element with carbide matrix
SMITH INTERNATIONAL2 citations71
US10315175B2Jun 11, 2019
Method of making carbonate PCD and sintering carbonate PCD on carbide substrate
SMITH INTERNATIONAL3 citations71
US9586376B2Mar 7, 2017
High pressure high temperature cell
SMITH INTERNATIONAL2 citations71
US11306542B2Apr 19, 2022
Thermally stable polycrystalline diamond and methods of making the same
SMITH INTERNATIONAL0 citations62
US11066334B2Jul 20, 2021
Binderless cBN sintering with cubic press
SMITH INTERNATIONAL0 citations62
US11021913B2Jun 1, 2021
Direct casting of ultrahard insert in bit body
SMITH INTERNATIONAL0 citations62
US11731092B2Aug 22, 2023
Method of making carbonate PCD and sintering carbonate PCD on carbide substrate
SMITH INTERNATIONAL0 citations60
US10781643B2Sep 22, 2020
Cutting elements formed from combinations of materials and bits incorporating the same
SMITH INTERNATIONAL0 citations52
US11014157B2May 25, 2021
Solid PCD with transition layers to accelerate full leaching of catalyst
SMITH INTERNATIONAL0 citations51
US10442057B2Oct 15, 2019
Carbonate PCD and methods of making the same
SMITH INTERNATIONAL0 citations51
US10350733B2Jul 16, 2019
Ultra-hard material cutting elements and methods of manufacturing the same with a metal-rich intermediate layer
SMITH INTERNATIONAL0 citations51
US10166655B2Jan 1, 2019
Carbonate PCD with a distribution of Si and/or Al
SMITH INTERNATIONAL0 citations51
US9539704B2Jan 10, 2017
Carbonate PCD and methods of making the same
SMITH INTERNATIONAL1 citations51
US9422770B2Aug 23, 2016
Method for braze joining of carbonate PCD
SMITH INTERNATIONAL0 citations51
US10358705B2Jul 23, 2019
Polycrystalline diamond sintered/rebonded on carbide substrate containing low tungsten
SMITH INTERNATIONAL0 citations50
US9475176B2Oct 25, 2016
Sintering of thick solid carbonate-based PCD for drilling application
SMITH INTERNATIONAL1 citations50
US10352105B2Jul 16, 2019
Sintering of thick solid carbonate-based PCD for drilling application
SMITH INTERNATIONAL0 citations49
US10315387B2Jun 11, 2019
High content PCBN compact including W—Re binder
SMITH INTERNATIONAL0 citations49
US10046441B2Aug 14, 2018
PCD wafer without substrate for high pressure / high temperature sintering
SMITH INTERNATIONAL0 citations42
BAO YAHUA
6 patentsUS9089951B2Jul 28, 2015
Fine polycrystalline diamond compact with a grain growth inhibitor layer between diamond and substrate
BAO YAHUA5 citations69
US9028573B2May 12, 2015
EDM cuttable, high cBN content solid PCBN compact
BAO YAHUA3 citations60
US9028575B2May 12, 2015
EDM cuttable, high CBN content solid PCBN compact
BAO YAHUA1 citations49
US9382602B2Jul 5, 2016
High content PCBN compact including W-RE binder
BAO YAHUA0 citations48
US10000852B2Jun 19, 2018
Method of forming metal deposits on ultrahard materials
BAO YAHUA0 citations45
US9670100B2Jun 6, 2017
Fabrication of ultrafine polycrystalline diamond with nano-sized grain growth inhibitor
BAO YAHUA0 citations39
SCHLUMBERGER TECHNOLOGY CORP
3 patentsUS12275005B2Apr 15, 2025
Luminescent diamond and method of making the same
SCHLUMBERGER TECHNOLOGY CORP2 citations75
US11952896B2Apr 9, 2024
Rotary tool with thermally stable diamond
SCHLUMBERGER TECHNOLOGY CORP0 citations61
US11840891B2Dec 12, 2023
Cutting elements with modified diamond surface
SCHLUMBERGER TECHNOLOGY CORP0 citations51