Inventor · disambiguated record
Rudolf Carl Pessier
Also filed as: PESSIER RUDOLF C · PESSIER RUDOLF C O · PESSIER RUDOLF CARL · PESSIER RUDOLF CARL OTTO
109 granted patents·8 pending applications·4,542 citations·filing 1977–2021
99Inventor score
Top patents by PatentIndex Score
117 records- 0199US10385623B2Cutting elements for earth-boring tools and earth-boring tools including such cutting elementsBAKER HUGHES A GE CO LLC·Filed 2017·Granted Aug 20, 2019·17 cites·19 claims
- 0297US9376867B2Methods of drilling a subterranean bore holeBAKER HUGHES INC·Filed 2013·Granted Jun 28, 2016·22 cites·11 claims
- 0396US9428966B2Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methodsBAKER HUGHES INC·Filed 2013·Granted Aug 30, 2016·18 cites·16 claims
- 0496US8794356B2Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming sameLYONS NICHOLAS J·Filed 2011·Granted Aug 5, 2014·31 cites·26 claims
- 0596US6408958B1Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equippedBAKER HUGHES INC·Filed 2000·Granted Jun 25, 2002·212 cites·40 claims
- 0695US8505634B2Earth-boring tools having differing cutting elements on a blade and related methodsLYONS NICHOLAS J·Filed 2010·Granted Aug 13, 2013·28 cites·24 claims
- 0795US5467836AFixed cutter bit with shear cutting gageBAKER HUGHES INC·Filed 1994·Granted Nov 21, 1995·166 cites·24 claims
- 0893US8991525B2Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methodsBILEN JUAN MIGUEL·Filed 2012·Granted Mar 31, 2015·16 cites·15 claims
- 0993US7819208B2Dynamically stable hybrid drill bitBAKER HUGHES INC·Filed 2008·Granted Oct 26, 2010·48 cites·21 claims
- 1093US6332503B1Fixed cutter bit with chisel or vertical cutting elementsBAKER HUGHES INC·Filed 1998·Granted Dec 25, 2001·179 cites·14 claims
- 1193US5479997AEarth-boring bit with improved cutting structureBAKER HUGHES INC·Filed 1994·Granted Jan 2, 1996·139 cites·18 claims
- 1293US5311958AEarth-boring bit with an advantageous cutting structureBAKER HUGHES INC·Filed 1992·Granted May 17, 1994·152 cites·21 claims
- 1392US9074435B2Earth-boring tools having shaped cutting elementsSCOTT DANNY E·Filed 2011·Granted Jul 7, 2015·15 cites·12 claims
- 1492US5967247ASteerable rotary drag bit with longitudinally variable gage aggressivenessBAKER HUGHES INC·Filed 1997·Granted Oct 19, 1999·165 cites·21 claims
- 1591US10428590B2Cutting elements for earth-boring tools and earth-boring tools including such cutting elementsBAKER HUGHES A GE CO LLC·Filed 2016·Granted Oct 1, 2019·2 cites·20 claims
- 1691US10337255B2Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methodsBAKER HUGHES INC·Filed 2015·Granted Jul 2, 2019·4 cites·14 claims
- 1791US9482057B2Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methodsDIGIOVANNI ANTHONY A·Filed 2012·Granted Nov 1, 2016·9 cites·11 claims
- 1891US9243452B2Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methodsDIGIOVANNI ANTHONY A·Filed 2012·Granted Jan 26, 2016·16 cites·9 claims
- 1990US7845435B2Hybrid drill bit and method of drillingBAKER HUGHES INC·Filed 2008·Granted Dec 7, 2010·46 cites·34 claims
- 2090US6173797B1Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capabilityBAKER HUGHES INC·Filed 1998·Granted Jan 16, 2001·142 cites·29 claims
- 2190US5890552ASuperabrasive-tipped inserts for earth-boring drill bitsBAKER HUGHES INC·Filed 1997·Granted Apr 6, 1999·146 cites·57 claims
- 2290US5765653AReaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameterBAKER HUGHES INC·Filed 1996·Granted Jun 16, 1998·141 cites·48 claims
- 2389US9821437B2Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methodsBAKER HUGHES INC·Filed 2015·Granted Nov 21, 2017·5 cites·15 claims
- 2489US5655612AEarth-boring bit with shear cutting gageBAKER HUGHES INC·Filed 1995·Granted Aug 12, 1997·119 cites·6 claims
- 2589US5351768AEarth-boring bit with improved cutting structureBAKER HUGHES INC·Filed 1993·Granted Oct 4, 1994·100 cites·11 claims
- 2688US10066442B2Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methodsBAKER HUGHES INC·Filed 2016·Granted Sep 4, 2018·2 cites·20 claims
- 2788US9353575B2Hybrid drill bits having increased drilling efficiencyBAKER HUGHES INC·Filed 2012·Granted May 31, 2016·9 cites·22 claims
- 2888US8851207B2Earth-boring tools and methods of forming such earth-boring toolsGAVIA DAVID·Filed 2011·Granted Oct 7, 2014·11 cites·20 claims
- 2988US6328117B1Drill bit having a fluid course with chip breakerBAKER HUGHES INC·Filed 2000·Granted Dec 11, 2001·102 cites·22 claims
- 3088US5346026ARolling cone bit with shear cutting gageBAKER HUGHES INC·Filed 1993·Granted Sep 13, 1994·111 cites·18 claims
- 3188US4953641ATwo cone bit with non-opposite conesHUGHES TOOL CO·Filed 1989·Granted Sep 4, 1990·68 cites·6 claims
- 3287US9617792B2Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methodsBAKER HUGHES INC·Filed 2013·Granted Apr 11, 2017·3 cites·20 claims
- 3387US6098730AEarth-boring bit with super-hard cutting elementsBAKER HUGHES INC·Filed 1998·Granted Aug 8, 2000·96 cites·22 claims
- 3487US6050354ARolling cutter bit with shear cutting gageBAKER HUGHES INC·Filed 1997·Granted Apr 18, 2000·119 cites·18 claims
- 3586US9476259B2System and method for leg retention on hybrid bitsBAKER HUGHES INC·Filed 2015·Granted Oct 25, 2016·4 cites·13 claims
- 3686US9200483B2Earth-boring tools and methods of forming such earth-boring toolsBAKER HUGHES INC·Filed 2014·Granted Dec 1, 2015·8 cites·20 claims
- 3786US6290007B2Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capabilityBAKER HUGHES INC·Filed 2001·Granted Sep 18, 2001·68 cites·37 claims
- 3886US5697462AEarth-boring bit having improved cutting structureBAKER HUGHES INC·Filed 1996·Granted Dec 16, 1997·135 cites·23 claims
- 3986US4984643AAnti-balling earth boring bitHUGHES TOOL CO·Filed 1990·Granted Jan 15, 1991·97 cites·10 claims
- 4085US8191635B2Hole opener with hybrid reaming sectionBUSKE ROBERT J·Filed 2009·Granted Jun 5, 2012·22 cites·17 claims
- 4184US7343990B2Rotary rock bit with hardfacing to reduce cone erosionBAKER HUGHES INC·Filed 2006·Granted Mar 18, 2008·31 cites·16 claims
- 4284US6401844B1Cutter with complex superabrasive geometry and drill bits so equippedBAKER HUGHES INC·Filed 1998·Granted Jun 11, 2002·102 cites·72 claims
- 4383US10190366B2Hybrid drill bits having increased drilling efficiencyBAKER HUGHES INC·Filed 2016·Granted Jan 29, 2019·3 cites·20 claims
- 4482US8047307B2Hybrid drill bit with secondary backup cutters positioned with high side rake anglesBAKER HUGHES INC·Filed 2008·Granted Nov 1, 2011·21 cites·41 claims
- 4582US7647991B2Cutting structure for earth-boring bit to reduce trackingBAKER HUGHES INC·Filed 2007·Granted Jan 19, 2010·19 cites·20 claims
- 4682US6321862B1Rotary 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
- 4782US5592995AEarth-boring bit having shear-cutting heel elementsBAKER HUGHES INC·Filed 1995·Granted Jan 14, 1997·100 cites·21 claims
- 4881US8678111B2Hybrid drill bit and design methodZAHRADNIK ANTON F·Filed 2008·Granted Mar 25, 2014·18 cites·46 claims
- 4981US8448724B2Hole opener with hybrid reaming sectionBUSKE ROBERT J·Filed 2009·Granted May 28, 2013·20 cites·17 claims
- 5080US10370911B2Methods and systems for drilling boreholes in earth formationsBAKER HUGHES INC·Filed 2016·Granted Aug 6, 2019·4 cites·18 claims
Showing the top 50 of 117 patent records by PatentIndex Score.
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