LI

Leroy W. Ledgerwood, III

BH Baker Hughes Holdings: 15 patents #180 of 3,522Top 6%
HC Hughes Tool Company: 1 patents #83 of 224Top 40%
TE Terratek: 1 patents #10 of 27Top 40%
📍 Cypress, TX: #109 of 1,064 inventorsTop 15%
🗺 Texas: #9,006 of 125,132 inventorsTop 8%
Overall (All Time): #297,538 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10428591 Structures for drilling a subterranean formation Suresh G. Patel, David A. Stockey, Alejandro Flores, Anthony A. DiGiovanni, Danny E. Scott 2019-10-01
9650837 Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements Suresh G. Patel, David A. Stockey, Alejandro Flores, Anthony A. DiGiovanni, Danny E. Scott 2017-05-16
9410377 Apparatus and methods for determining whirl of a rotating tool Jayesh Rameshlal Jain, Olivier J.-M. Hoffmann 2016-08-09
9097065 Drill bit design for mitigation of stick slip Thorsten Schwefe, Hatem Oueslati, Jayesh Rameshlal Jain, Danielle M. Fuselier 2015-08-04
9045955 Detritus flow management features for drag bit cutters and bits so equipped 2015-06-02
8150667 Discrete element modeling of rock destruction under high pressure conditions 2012-04-03
8025113 Detritus flow management features for drag bit cutters and bits so equipped 2011-09-27
8002053 System, method, and apparatus for predicting tracking by roller cone bits and anti-tracking cutting element spacing Greg Ricks 2011-08-23
7926588 Optimizing drilling performance using a selected drilling fluid Arnis Judzis, Alan D. Black, Sidney J. Green, Homer A. Robertson, Ronald G. Bland +1 more 2011-04-19
7497256 Method and apparatus for collecting fluid samples downhole Rocco DiFoggio 2009-03-03
7011170 Increased projection for compacts of a rolling cone drill bit Timothy K. Marvel 2006-03-14
6386297 Method and apparatus for determining potential abrasivity in a wellbore Craig H. Cooley, David A. Curry 2002-05-14
6354387 Nozzle orientation for roller cone rock bit Thomas M. Harris, Brian C. Wiesner, Sean K. Berzas, Brian Baker 2002-03-12
6353799 Method and apparatus for determining potential interfacial severity for a formation Nigel Charles Meany, David A. Curry, Craig H. Cooley 2002-03-05
6276465 Method and apparatus for determining potential for drill bit performance Craig H. Cooley, David A. Curry 2001-08-21
4344658 Earth boring drill bit with snap ring cutter retention 1982-08-17