Inventor · disambiguated record
Stuart Schaaf
Also filed as: SCHAAF STUART · SCHAAF STUART A
15 granted patents·550 citations·filing 1997–2019
94Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP7ORBITAL TRACTION LTD2B&W MUD MOTORS LLC1INTERSYN IP HOLDINGS LLC1PENNY TECH S A R L1
Top patents by PatentIndex Score
15 records- 0192US6057784AApparatus and system for making at-bit measurements while drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted May 2, 2000·228 cites·21 claims
- 0290US10301877B2Drilling system, biasing mechanism and method for directionally drilling a boreholePENNY TECH S A R L·Filed 2016·Granted May 28, 2019·7 cites·3 claims
- 0388US6547010B2Annular pack having mutually engageable annular segmentsSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Apr 15, 2003·29 cites·28 claims
- 0485US7234543B2Systems and methods for directionally drilling a borehole using a continuously variable transmissionINTERSYN IP HOLDINGS LLC·Filed 2004·Granted Jun 26, 2007·68 cites·60 claims
- 0582US9556678B2Drilling system, biasing mechanism and method for directionally drilling a boreholeTELLUS OILFIELD INC·Filed 2013·Granted Jan 31, 2017·9 cites·81 claims
- 0679US10895113B2Drilling system, biasing mechanism and method for directionally drilling a boreholeB&W MUD MOTORS LLC·Filed 2019·Granted Jan 19, 2021·3 cites·8 claims
- 0779US6837315B2Rotary steerable drilling toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jan 4, 2005·56 cites·31 claims
- 0877US8639423B2Power split device and methodSCHAAF STUART·Filed 2010·Granted Jan 28, 2014·10 cites·35 claims
- 0977US6840336B2Drilling tool with non-rotating sleeveSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jan 11, 2005·56 cites·28 claims
- 1075US6280874B1Annular packSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Aug 28, 2001·40 cites·25 claims
- 1172US6610441B2Annular packSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Aug 26, 2003·8 cites·28 claims
- 1269US7004263B2Directional casing drillingSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Feb 28, 2006·36 cites·23 claims
- 1361US10443692B2Fluid movement systems including a continuously variable transmissionORBITAL TRACTION LTD·Filed 2018·Granted Oct 15, 2019·0 cites·20 claims
- 1456US10006526B2Fluid movement systems including a continuosly variable transmissionORBITAL TRACTION LTD·Filed 2016·Granted Jun 26, 2018·0 cites·21 claims
- 1542US9464701B2Fluid movement systems including a continuously variable transmissionSCHAAF STUART A·Filed 2010·Granted Oct 11, 2016·0 cites·22 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →