Inventor · disambiguated record
Leroy W. Ledgerwood, Iii
Also filed as: LEDGERWOOD III LEROY W · LEDGERWOOD III LEROY WILLIAM · LEDGERWOOD LEROY WILLIAM
16 granted patents·1 pending application·206 citations·filing 1980–2017
93Inventor score
Top patents by PatentIndex Score
17 records- 0192US9650837B2Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elementsBAKER HUGHES INC·Filed 2014·Granted May 16, 2017·10 cites·15 claims
- 0287US10428591B2Structures for drilling a subterranean formationBAKER HUGHES INC·Filed 2017·Granted Oct 1, 2019·2 cites·19 claims
- 0380US9097065B2Drill bit design for mitigation of stick slipBAKER HUGHES INC·Filed 2012·Granted Aug 4, 2015·6 cites·8 claims
- 0474US6386297B1Method and apparatus for determining potential abrasivity in a wellboreBAKER HUGHES INC·Filed 2000·Granted May 14, 2002·47 cites·46 claims
- 0573US6276465B1Method and apparatus for determining potential for drill bit performanceBAKER HUGHES INC·Filed 2000·Granted Aug 21, 2001·45 cites·80 claims
- 0669US7497256B2Method and apparatus for collecting fluid samples downholeBAKER HUGHES INC·Filed 2006·Granted Mar 3, 2009·10 cites·21 claims
- 0768US6354387B1Nozzle orientation for roller cone rock bitBAKER HUGHES INC·Filed 2000·Granted Mar 12, 2002·36 cites·26 claims
- 0857US9410377B2Apparatus and methods for determining whirl of a rotating toolJAIN JAYESH R·Filed 2012·Granted Aug 9, 2016·2 cites·21 claims
- 0957US6353799B1Method and apparatus for determining potential interfacial severity for a formationBAKER HUGHES INC·Filed 2000·Granted Mar 5, 2002·22 cites·17 claims
- 1056US8150667B2Discrete element modeling of rock destruction under high pressure conditionsLEDGERWOOD III LEROY W·Filed 2007·Granted Apr 3, 2012·6 cites·14 claims
- 1145US7926588B2Optimizing drilling performance using a selected drilling fluidTERRATEK INC·Filed 2008·Granted Apr 19, 2011·2 cites·21 claims
- 1245US4344658AEarth boring drill bit with snap ring cutter retentionHUGHES TOOL CO·Filed 1980·Granted Aug 17, 1982·14 cites·7 claims
- 1344US9045955B2Detritus flow management features for drag bit cutters and bits so equippedLEDGERWOOD III LEROY W·Filed 2011·Granted Jun 2, 2015·0 cites·20 claims
- 1442US8025113B2Detritus flow management features for drag bit cutters and bits so equippedBAKER HUGHES INC·Filed 2006·Granted Sep 27, 2011·0 cites·8 claims
- 1541US7011170B2Increased projection for compacts of a rolling cone drill bitBAKER HUGHES INC·Filed 2003·Granted Mar 14, 2006·4 cites·17 claims
- 1641US2010163310A1Method of manufacturing and repairing fixed-cutter drag-type rotary tools with cutting control structuresBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 1732US8002053B2System, method, and apparatus for predicting tracking by roller cone bits and anti-tracking cutting element spacingBAKER HUGHES INC·Filed 2008·Granted Aug 23, 2011·0 cites·15 claims
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