Inventor · disambiguated record
Roland Illerhaus
Also filed as: ILLERHAUS ROLAND
10 granted patents·1 pending application·618 citations·filing 1983–2015
92Inventor score
Files withBAKER HUGHES INC7CHRISTENSEN INC1EASTMAN CHRISTENSEN CO1ILLERHAUS ROLAND1Lemons Casee Ryanne1
Top patents by PatentIndex Score
11 records- 0197US6742611B1Laminated and composite impregnated cutting structures for drill bitsBAKER HUGHES INC·Filed 2000·Granted Jun 1, 2004·217 cites·93 claims
- 0287US4690228AChangeover bit for extended life, varied formations and steady wearEASTMAN CHRISTENSEN CO·Filed 1986·Granted Sep 1, 1987·111 cites·21 claims
- 0382US6321862B1Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capabilityBAKER HUGHES INC·Filed 1998·Granted Nov 27, 2001·84 cites·63 claims
- 0477US7000715B2Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter lifeBAKER HUGHES INC·Filed 2002·Granted Feb 21, 2006·50 cites·99 claims
- 0574US6230828B1Rotary drilling bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristicsBAKER HUGHES INC·Filed 1997·Granted May 15, 2001·58 cites·53 claims
- 0671US6443249B2Rotary drill bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristicsBAKER HUGHES INC·Filed 2001·Granted Sep 3, 2002·33 cites·14 claims
- 0759US4537097AMethod and apparatus for manufacturing cutting elements particularly for deep drillingCHRISTENSEN INC·Filed 1983·Granted Aug 27, 1985·17 cites·19 claims
- 0854US6006845ARotary drill bits for directional drilling employing tandem gage pad arrangement with reaming capabilityBAKER HUGHES INC·Filed 1997·Granted Dec 28, 1999·32 cites·24 claims
- 0939US6112836ARotary drill bits employing tandem gage pad arrangementBAKER HUGHES INC·Filed 1997·Granted Sep 5, 2000·16 cites·26 claims
- 1036US9869749B2System and method to generate three-dimensional mapping of a tubular component layoutILLERHAUS ROLAND·Filed 2013·Granted Jan 16, 2018·0 cites·13 claims
- 1129US2016215607A1Monte carlo automated refracture selection toolLemons Casee Ryanne·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →