Inventor
Graham Mensa-Wilmot
Inventor
Houston, TX, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling79%
B23BTurning6%
Y10TTechnical subjects covered by former us classification6%
G06FElectric digital data processing3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
G16ZInformation and communication technology [ict] specially adapted for specific application fields, not otherwise provided for3%
PatentTitleYear
9,644,429'Specialized bit for challenging drilling environments'20179,187,958'Reamer with improved performance characteristics in hard and abrasive formations'20159,074,434'Reamer with improved performance characteristics in hard and abrasive formations'20158,448,725'Impact resistant PDC drill bit'20138,109,346'Drill bit supporting multiple cutting elements with multiple cutter geometries and method of assembly'20127,677,333'Drill bit with multiple cutter geometries'20107,464,013'Dynamically balanced cutting tool system'20087,159,487'Method for making a polycrystalline diamond insert drill bit body'20076,823,952'Structure for polycrystalline diamond insert drill bit body'20046,808,031'Drill bit having large diameter PDC cutters'20046,729,420'Multi profile performance enhancing centric bit and method of bit design'20046,684,967'Side cutting gage pad improving stabilization and borehole integrity'20046,615,934'PDC drill bit having cutting structure adapted to improve high speed drilling performance'20036,564,886'Drill bit with rows of cutters mounted to present a serrated cutting edge'20036,308,790'Drag bits with predictable inclination tendencies and behavior'20016,253,863'Side cutting gage pad improving stabilization and borehole integrity'20016,164,394'Drill bit with rows of cutters mounted to present a serrated cutting edge'20006,148,937'PDC cutter element having improved substrate configuration'20005,937,958'Drill bits with predictable walk tendencies'19995,906,246'PDC cutter element having improved substrate configuration'19995,833,021'Surface enhanced polycrystalline diamond composite cutters'19985,607,025'Drill bit and cutting structure having enhanced placement and sizing of cutters for improved bit stabilization'19975,607,024'Stability enhanced drill bit and cutting structure having zones of varying wear resistance'19975,592,996'Drill bit having improved cutting structure with varying diamond density'19975,582,261'Drill bit having enhanced cutting structure and stabilizing features'19965,551,522'Drill bit having stability enhancing cutting structure'19965,549,171'Drill bit with performance-improving cutting structure'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2013Patents assigned to SMITH INTERNATIONAL (22)· patent assignee history
1996–2008Based in Houston, TX, US· patent location history
2010–2012Patents assigned to VAREL INT IND LP (2)· patent assignee history
2010–2017Based in Spring, TX, US· patent location history
2012–2017Patents assigned to MENSA-WILMOT GRAHAM (5)· patent assignee history
2015–2017Patents assigned to CHEVRON USA INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMITH INTERNATIONAL | 22 | 1996–2013 |
| MENSA-WILMOT GRAHAMself | 5 | 2012–2017 |
| CHEVRON USA INC | 3 | 2015–2017 |
| VAREL INT IND LP | 2 | 2010–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 21 | 1996–2008 |
| Spring, Texas, US | 6 | 2010–2017 |