Inventor · disambiguated record
Zhigang Fang
Also filed as: FANG ZHIGANG · FANG ZHIGANG Z · FANG ZHIGANG ZAK
62 granted patents·14 pending applications·2,424 citations·filing 1994–2024
99Inventor score
Top patents by PatentIndex Score
76 records- 0198US10907239B1Methods of producing a titanium alloy productUNIV UTAH RES FOUND·Filed 2020·Granted Feb 2, 2021·10 cites·30 claims
- 0298US6063502AComposite construction with oriented microstructureSMITH INTERNATIONAL·Filed 1997·Granted May 16, 2000·119 cites·35 claims
- 0398US5880382ADouble cemented carbide compositesSMITH INTERNATIONAL·Filed 1997·Granted Mar 9, 1999·290 cites·41 claims
- 0497US10610929B2Molten salt de-oxygenation of metal powdersUNIV UTAH RES FOUND·Filed 2015·Granted Apr 7, 2020·25 cites·21 claims
- 0597US7647992B2Polycrystalline diamond carbide compositesSMITH INTERNATIONAL·Filed 2007·Granted Jan 19, 2010·40 cites·20 claims
- 0696US9421612B2Production of substantially spherical metal powdersUNIV UTAH RES FOUND·Filed 2015·Granted Aug 23, 2016·42 cites·29 claims
- 0796US6951578B1Polycrystalline diamond materials formed from coarse-sized diamond grainsSMITH INTERNATIONAL·Filed 2000·Granted Oct 4, 2005·81 cites·28 claims
- 0896US6451442B1Composite constructions with oriented microstructureSMITH INTERNATIONAL·Filed 2000·Granted Sep 17, 2002·44 cites·4 claims
- 0995US10130994B2Production of substantially spherical metal powdersFANG ZHIGANG Z·Filed 2016·Granted Nov 20, 2018·29 cites·20 claims
- 1094US9669464B1Methods of deoxygenating metals having oxygen dissolved therein in a solid solutionUNIV UTAH RES FOUND·Filed 2016·Granted Jun 6, 2017·7 cites·25 claims
- 1194US7569179B2Functionally graded cemented tungsten carbideUNIV UTAH RES FOUND·Filed 2007·Granted Aug 4, 2009·28 cites·11 claims
- 1294US6454027B1Polycrystalline diamond carbide compositesSMITH INTERNATIONAL·Filed 2000·Granted Sep 24, 2002·70 cites·25 claims
- 1394US5662183AHigh strength matrix material for PDC drag bitsSMITH INTERNATIONAL·Filed 1995·Granted Sep 2, 1997·191 cites·28 claims
- 1493US9777968B1Metal hydride-based thermal energy storage systemsHRL LAB LLC·Filed 2014·Granted Oct 3, 2017·10 cites·24 claims
- 1593US7699904B2Functionally graded cemented tungsten carbideUNIV UTAH RES FOUND·Filed 2005·Granted Apr 20, 2010·20 cites·18 claims
- 1693US6319460B1Metal-matrix diamond or cubic boron nitride compositesSMITH INTERNATIONAL·Filed 2000·Granted Nov 20, 2001·49 cites·23 claims
- 1793US6124564AHardfacing compositions and hardfacing coatings formed by pulsed plasma-transferred arcSMITH INTERNATIONAL·Filed 1998·Granted Sep 26, 2000·92 cites·52 claims
- 1891US12098454B2Thermo-hydrogen refinement of microstructure of titanium materialsUNIV UTAH RES FOUND·Filed 2023·Granted Sep 24, 2024·2 cites·18 claims
- 1991US5963775APressure molded powder metal milled tooth rock bit coneSMITH INTERNATIONAL·Filed 1997·Granted Oct 5, 1999·97 cites·26 claims
- 2090US11624105B2Thermo-hydrogen refinement of microstructure of titanium materialsUNIV UTAH RES FOUND·Filed 2021·Granted Apr 11, 2023·4 cites·14 claims
- 2190US8163232B2Method for making functionally graded cemented tungsten carbide with engineered hard surfaceFANG ZHIGANG ZAK·Filed 2008·Granted Apr 24, 2012·30 cites·10 claims
- 2290US6607835B2Composite constructions with ordered microstructureSMITH INTERNATIONAL·Filed 2001·Granted Aug 19, 2003·56 cites·44 claims
- 2389US10920307B2Thermo-hydrogen refinement of microstructure of titanium materialsUNIV UTAH RES FOUND·Filed 2018·Granted Feb 16, 2021·4 cites·17 claims
- 2489US6615935B2Roller cone bits with wear and fracture resistant surfaceSMITH INTERNATIONAL·Filed 2001·Granted Sep 9, 2003·41 cites·39 claims
- 2589US6571889B2Rotary cone bit with functionally-engineered composite insertsSMITH INTERNATIONAL·Filed 2001·Granted Jun 3, 2003·30 cites·40 claims
- 2688US5609447ASurface decarburization of a drill bitROGERS TOOLS·Filed 1994·Granted Mar 11, 1997·77 cites·10 claims
- 2787US9926932B2Discharge valve and compressor comprising sameEMERSON CLIMATE TECH SUZHOU CO LTD·Filed 2013·Granted Mar 27, 2018·6 cites·25 claims
- 2887US5791422ARock bit with hardfacing material incorporating spherical cast carbide particlesSMITH INTERNATIONAL·Filed 1997·Granted Aug 11, 1998·75 cites·27 claims
- 2986US7235211B2Rotary cone bit with functionally-engineered composite insertsSMITH INTERNATIONAL·Filed 2003·Granted Jun 26, 2007·29 cites·10 claims
- 3086US6361873B1Composite constructions having ordered microstructuresSMITH INTERNATIONAL·Filed 2000·Granted Mar 26, 2002·78 cites·41 claims
- 3186US5628837ASurface decarburization of a drill bit having a refined primary cutting edgeROGERS TOOLS·Filed 1994·Granted May 13, 1997·48 cites·7 claims
- 3286US2024417840A1Thermo-Hydrogen Refinement of Microstructure of Titanium MaterialsUNIV UTAH RES FOUND·Filed 2024·Application pending·0 cites
- 3385US6478887B1Boronized wear-resistant materials and methods thereofSMITH INTERNATIONAL·Filed 1998·Granted Nov 12, 2002·63 cites·53 claims
- 3485US6029759AHardfacing on steel tooth cutter elementSMITH INTERNATIONAL·Filed 1997·Granted Feb 29, 2000·105 cites·52 claims
- 3584US9816157B2Powder metallurgy methods for the production of fine and ultrafine grain Ti and Ti alloysUNIV UTAH RES FOUND·Filed 2014·Granted Nov 14, 2017·3 cites·33 claims
- 3683US5842701ADual functioning seal for rock bitsSMITH INTERNATIONAL·Filed 1996·Granted Dec 1, 1998·57 cites·54 claims
- 3782US11236408B1Cemented tungsten carbide with functionally designed microstructure and surface and methods for making the sameUNIV UTAH RES FOUND·Filed 2021·Granted Feb 1, 2022·1 cites·16 claims
- 3882US7210377B2Cone erosion protection for roller cone drill bitsSMITH INTERNATIONAL·Filed 2004·Granted May 1, 2007·18 cites·24 claims
- 3982US6123337AComposite earth boring bit sealSMITH INTERNATIONAL·Filed 1997·Granted Sep 26, 2000·69 cites·34 claims
- 4080US11198177B2Methods and systems for 3D printing with powdersUNIV UTAH RES FOUND·Filed 2018·Granted Dec 14, 2021·1 cites·10 claims
- 4180US5944127AHardfacing material for rock bitsSMITH INTERNATIONAL·Filed 1997·Granted Aug 31, 1999·47 cites·24 claims
- 4278US5589443ARock bit grease compositionSMITH INTERNATIONAL·Filed 1995·Granted Dec 31, 1996·32 cites·35 claims
- 4376US6536542B1Rock bit seal with multiple dynamic seal surface elementsSMITH INTERNATIONAL·Filed 1999·Granted Mar 25, 2003·70 cites·67 claims
- 4476US6106957AMetal-matrix diamond or cubic boron nitride compositesSMITH INTERNATIONAL·Filed 1999·Granted Aug 22, 2000·41 cites·21 claims
- 4575US6841260B2Composite constructions with oriented microstructureSMITH INTERNATIONAL·Filed 2002·Granted Jan 11, 2005·10 cites·6 claims
- 4674US8147796B2Hydrogen storage in a combined MxAlH6/M′y(NH2)z system and methods of making and using the sameLU JUN·Filed 2007·Granted Apr 3, 2012·3 cites·25 claims
- 4773US9388482B2Functionally graded cemented tungsten carbide with engineered hard surface and the method for making the sameFANG ZHIGANG Z·Filed 2012·Granted Jul 12, 2016·1 cites·23 claims
- 4872US8936750B2Functionally graded cemented tungsten carbide with engineered hard surface and the method for making the sameFANG ZHIGANG Z·Filed 2009·Granted Jan 20, 2015·2 cites·14 claims
- 4969US8109350B2Polycrystalline abrasive composite cutterFANG ZHIGANG Z·Filed 2007·Granted Feb 7, 2012·11 cites·23 claims
- 5069US2025109460A1Production of Neodymium and Other Rare Earth Metals Using Hydrogen Augmented Magnesium AlloyUNIV UTAH RES FOUND·Filed 2024·Application pending·0 cites
Showing the top 50 of 76 patent records by PatentIndex Score.
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