Inventor · disambiguated record
David C. Hoyle
Also filed as: HOYLE DAVID · HOYLE DAVID C
28 granted patents·560 citations·filing 1980–2023
96Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP19CAMERON INT CORP4NOVATEK IP LLC3CAMERON TECH LTD1HOYLE DAVID C1
Top patents by PatentIndex Score
28 records- 0195US12092226B2Choke valve assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Sep 17, 2024·6 cites·16 claims
- 0293US11118408B2Downhole steering system and methodsNOVATEK IP LLC·Filed 2018·Granted Sep 14, 2021·13 cites·18 claims
- 0393US5036945ASonic well tool transmitter receiver array including an attenuation and delay apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Aug 6, 1991·95 cites·42 claims
- 0492US4872526ASonic well logging tool longitudinal wave attenuatorSCHLUMBERGER TECHNOLOGY CORP·Filed 1988·Granted Oct 10, 1989·94 cites·9 claims
- 0590US10830359B2Needle tip and seat for a choke valveCAMERON INT CORP·Filed 2017·Granted Nov 10, 2020·5 cites·19 claims
- 0683US5043952AMonopole transmitter for a sonic well toolSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Aug 27, 1991·56 cites·6 claims
- 0781US11125049B2Superhard material enhanced choke cageCAMERON TECH LTD·Filed 2018·Granted Sep 21, 2021·3 cites·18 claims
- 0880US12152680B2Needle tip and seat for a choke valveCAMERON INT CORP·Filed 2023·Granted Nov 26, 2024·0 cites·9 claims
- 0980US6474439B1Dipole logging toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Nov 5, 2002·45 cites·19 claims
- 1076US10883506B2Unitary thick diamond composite downhole tool componentsSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Jan 5, 2021·2 cites·19 claims
- 1175US11796068B2Needle tip and seat for a choke valveCAMERON INT CORP·Filed 2022·Granted Oct 24, 2023·0 cites·9 claims
- 1275US4850450ALogging tool housing with acoustic delaySCHLUMBERGER TECHNOLOGY CORP·Filed 1987·Granted Jul 25, 1989·41 cites·20 claims
- 1375US4337939AAnkle exercise deviceHOYLE DAVID C·Filed 1980·Granted Jul 6, 1982·59 cites·5 claims
- 1471US11255143B2Pressure range control in a downhole transducer assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Feb 22, 2022·1 cites·13 claims
- 1570US11549593B2Needle tip and seat for a choke valveCAMERON INT CORP·Filed 2020·Granted Jan 10, 2023·0 cites·13 claims
- 1666US7336562B1Sonic logging tool including receiver and spacer structureSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Feb 26, 2008·24 cites·33 claims
- 1765US11788359B2Downhole steering system and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Oct 17, 2023·0 cites·19 claims
- 1865US11767723B2Downhole transducer assemblies and pressure range control thereinSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Sep 26, 2023·0 cites·19 claims
- 1965US11608719B2Controlling fluid flow through a valveSCHLUMBERGER TECHNOLOGY CORP·Filed 2021·Granted Mar 21, 2023·0 cites·20 claims
- 2064US12116844B2Tiling for downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Granted Oct 15, 2024·0 cites·20 claims
- 2164US4862991ASonic well logging tool transmitterSCHLUMBERGER TECHNOLOGY CORP·Filed 1988·Granted Sep 5, 1989·24 cites·10 claims
- 2261US6739423B2Acoustic logging toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 25, 2004·17 cites·53 claims
- 2354US11028685B2Downhole rate of penetration measurementNOVATEK IP LLC·Filed 2018·Granted Jun 8, 2021·0 cites·19 claims
- 2453US10927647B2Systems and methods for directing fluid flowSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Feb 23, 2021·0 cites·13 claims
- 2552US5528556ACombination well logging deviceSCHLUMBERGER TECHNOLOGY CORP·Filed 1994·Granted Jun 18, 1996·22 cites·18 claims
- 2650US11542805B2Marking and sensing a borehole wallNOVATEK IP LLC·Filed 2020·Granted Jan 3, 2023·0 cites·19 claims
- 2750US5596142AWell logging apparatus comprising a measuring pad and a combinaton device including such apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1996·Granted Jan 21, 1997·28 cites·20 claims
- 2848US6494288B1Acoustic logging toolSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Dec 17, 2002·25 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when David C. Hoyle files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →