Ledgerwood, III; Leroy W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ledgerwood, III; Leroy W..The latest application filed is for "multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements".

Company Profile

0.12.8

Ledgerwood, III; Leroy W. - Cypress TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Structures for drilling a subterranean formation Grant 10,428,591 - Patel , et al. October 1, 2	2019-10-01
Multi-chamfer Cutting Elements Having A Shaped Cutting Face And Earth-boring Tools Including Such Cutting Elements App 20170234078 - Patel; Suresh G. ; et al.	2017-08-17
Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements Grant 9,650,837 - Patel , et al. May 16, 2	2017-05-16
Apparatus and methods for determining whirl of a rotating tool Grant 9,410,377 - Jain , et al. August 9, 2	2016-08-09
Multi-chamfer Cutting Elements Having A Shaped Cutting Face, Earth-boring Tools Including Such Cutting Elements, And Related Methods App 20160069140 - Patel; Suresh G. ; et al.	2016-03-10
Drill bit design for mitigation of stick slip Grant 9,097,065 - Schwefe , et al. August 4, 2	2015-08-04
Detritus flow management features for drag bit cutters and bits so equipped Grant 9,045,955 - Ledgerwood, III June 2, 2	2015-06-02
Apparatus And Methods For Determining Whirl Of A Rotating Tool App 20130245950 - Jain; Jayesh R. ; et al.	2013-09-19
Drill Bit Design For Mitigation Of Stick Slip App 20130081880 - Schwefe; Thorsten ; et al.	2013-04-04
Discrete element modeling of rock destruction under high pressure conditions Grant 8,150,667 - Ledgerwood, III April 3, 2	2012-04-03
Detritus Flow Management Features For Drag Bit Cutters And Bits So Equipped App 20110297452 - Ledgerwood, III; Leroy W.	2011-12-08
Detritus flow management features for drag bit cutters and bits so equipped Grant 8,025,113 - Ledgerwood, III September 27, 2	2011-09-27
Optimizing drilling performance using a selected drilling fluid Grant 7,926,588 - Judzis , et al. April 19, 2	2011-04-19
Optimizing Drilling Performance Using A Selected Drilling Fluid App 20090152007 - Judzis; Arnis ; et al.	2009-06-18
Discrete Element Modeling Of Rock Destruction Under High Pressure Conditions App 20090132218 - Ledgerwood, III; Leroy W.	2009-05-21
Method and apparatus for collecting fluid samples downhole Grant 7,497,256 - DiFoggio , et al. March 3, 2	2009-03-03
Increased projection for compacts of a rolling cone drill bit Grant 7,011,170 - Ledgerwood, III , et al. March 14, 2	2006-03-14

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