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Inventor

Anthony Griffo

Inventor
The Woodlands, TX, US

Overview

66→
Patents
1997–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 66 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling26%
B22FWorking metallic powder16%
C22CAlloys13%
Y10TTechnical subjects covered by former us classification10%
C04BLime, magnesia6%
C23FNon-mechanical removal of metallic material from surface5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B24DTools for grinding, buffing or sharpening4%
C23CCoating metallic material4%
C01BNon-metallic elements3%
PatentTitleYear
10,350,731Thermally stable diamond polycrystalline diamond constructions201910,132,121Polycrystalline diamond constructions having improved thermal stability201810,124,468Polycrystalline diamond constructions having improved thermal stability20189,776,917'Coating on PDC/TSP cutter for accelerated leaching'20179,387,571'Manufacture of thermally stable cutting elements'20168,956,438'Low coefficient of thermal expansion cermet compositions'20158,893,828'High strength infiltrated matrix body using fine grain dispersions'20148,881,851'Thermally-stable polycrystalline diamond materials and compacts'20148,852,546'Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance'20148,562,703'Thermally stable diamond polycrystalline diamond constructions'20138,535,400'Techniques and materials for the accelerated removal of catalyst material from diamond bodies'20138,499,861'Ultra-hard composite constructions comprising high-density diamond surface'20138,470,060'Manufacture of thermally stable cutting elements'20138,397,841'Drill bit with cutting elements having functionally engineered wear surface'20138,323,372'Low coefficient of thermal expansion cermet compositions'20128,309,050'Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance'20128,147,572'Thermally stable diamond polycrystalline diamond constructions'20128,066,087'Thermally stable ultra-hard material compact constructions'20118,056,650'Thermally stable ultra-hard material compact construction'20118,028,771'Polycrystalline diamond constructions having improved thermal stability'20118,021,721'Composite coating with nanoparticles for improved wear and lubricity in down hole tools'20118,002,859'Manufacture of thermally stable cutting elements'20117,997,358'Bonding of cutters in diamond drill bits'20117,942,219'Polycrystalline diamond constructions having improved thermal stability'20117,845,059'Method of forming impregnated diamond cutting structures'20107,828,088'Thermally stable ultra-hard material compact construction'20107,757,788'Ultrahard composite constructions'20107,754,333'Thermally stable diamond polycrystalline diamond constructions'20107,749,947'High performance rock bit grease'20107,666,244'Hardfacing milled-tooth drill bits using super dense carbide pellets'20107,647,992'Polycrystalline diamond carbide composites'20107,625,521'Bonding of cutters in drill bits'20097,543,661'Roller cone bits with wear and fracture resistant surface'20097,493,973'Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance'20097,475,743'High-strength, high-toughness matrix bit bodies'20097,473,287'Thermally-stable polycrystalline diamond materials and compacts'20097,441,610'Ultrahard composite constructions'20087,416,035'Shaped inserts with increased retention force'20087,407,012'Thermally stable diamond cutting elements in roller cone drill bits'20087,392,865'Randomly-oriented composite constructions'20087,387,178'Self relieving seal'20087,377,341'Thermally stable ultra-hard material compact construction'20087,350,599'Impregnated diamond cutting structures'20087,303,030'Barrier coated granules for improved hardfacing material'20077,258,177'Fracture and wear resistant compounds and rock bits'20077,243,744'Randomly-oriented composite constructions'20077,235,211'Rotary cone bit with functionally-engineered composite inserts'20077,229,077'Ordered elastomeric composite material'20077,211,218'Polycrystalline diamond carbide composites'20077,210,377'Cone erosion protection for roller cone drill bits'20077,201,241'Self relieving seal'20077,128,773'Compositions having enhanced wear resistance'20067,048,080'Roller cone bits with wear and fracture resistant surface'20067,036,614'Fracture and wear resistant compounds and rock bits'20067,017,677'Coarse carbide substrate cutting elements and method of forming the same'20066,976,548'Self relieving seal'20056,951,578'Polycrystalline diamond materials formed from coarse-sized diamond grains'20056,782,958'Hardfacing for milled tooth drill bits'20046,745,645'Enhanced gage protection for milled tooth rock bits'20046,698,098'Cone erosion protection for roller cone drill bits'20046,615,935'Roller cone bits with wear and fracture resistant surface'20036,607,835'Composite constructions with ordered microstructure'20036,571,889'Rotary cone bit with functionally-engineered composite inserts'20036,454,027'Polycrystalline diamond carbide composites'20026,399,018'Powdered material rapid production tooling method and objects produced therefrom'20025,602,350'Method for compacting compactable materials and improved lubricant for same'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Based in State College, PA, US· patent location history
2002–2019Patents assigned to SMITH INTERNATIONAL (64)· patent assignee history
2002–2019Based in The Woodlands, TX, US· patent location history
2011–2018Patents assigned to GRIFFO ANTHONY (14)· patent assignee history
2011–2018Patents assigned to KESHAVAN MADAPUSI K (7)· patent assignee history
2011–2014Patents assigned to OLDHAM THOMAS W (4)· patent assignee history
2012–2018Patents assigned to EYRE RONALD K (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITH INTERNATIONAL642002–2019
GRIFFO ANTHONYself142011–2018
KESHAVAN MADAPUSI K72011–2018
OLDHAM THOMAS W42011–2014
EYRE RONALD K32012–2018
Locations
LocationPatentsSpan
The Woodlands, Texas, US652002–2019
State College, Pennsylvania, US11997