Inventor · disambiguated record
Robert Duenckel
Also filed as: DUENCKEL ROBERT · DUENCKEL ROBERT J · DUENCKEL ROBERT JOHN
30 granted patents·5 pending applications·398 citations·filing 2005–2024
97Inventor score
Top patents by PatentIndex Score
35 records- 0197US7721804B2Proppants for gel clean-upCARBO CERAMICS INC·Filed 2008·Granted May 25, 2010·55 cites·11 claims
- 0296US9670400B2Proppant particles formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2014·Granted Jun 6, 2017·22 cites·48 claims
- 0396US8234072B2Methods of identifying high neutron capture cross section doped proppant in induced subterranean formation fracturesSMITH JR HARRY D·Filed 2010·Granted Jul 31, 2012·33 cites·34 claims
- 0496US7825053B2Sintered spherical pelletsCARBO CERAMICS INC·Filed 2010·Granted Nov 2, 2010·32 cites·20 claims
- 0595US8883693B2Proppant particles formed from slurry droplets and method of useELDRED BENJAMIN T·Filed 2012·Granted Nov 11, 2014·38 cites·14 claims
- 0695US8865631B2Proppant particles formed from slurry droplets and method of useELDRED BENJAMIN T·Filed 2012·Granted Oct 21, 2014·29 cites·14 claims
- 0795US7678723B2Sintered spherical pelletsCARBO CERAMICS INC·Filed 2008·Granted Mar 16, 2010·36 cites·15 claims
- 0894US10077395B2Proppant particles formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2015·Granted Sep 18, 2018·8 cites·20 claims
- 0993US11512025B2Proppant particles formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2018·Granted Nov 29, 2022·4 cites·18 claims
- 1093US10118863B2Proppant particles formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2017·Granted Nov 6, 2018·4 cites·23 claims
- 1192US11286418B2Composition and method for hydraulic fracturing and evaluation and diagnostics of hydraulic fractures using infused porous ceramic proppantCARBO CERAMICS INC·Filed 2019·Granted Mar 29, 2022·5 cites·13 claims
- 1292US7921910B2Tagged propping agents and related methodsCARBO CERAMICS INC·Filed 2005·Granted Apr 12, 2011·33 cites·22 claims
- 1391US8648309B2Spectral identification of proppant in subterranean fracture zonesSMITH JR HARRY D·Filed 2011·Granted Feb 11, 2014·12 cites·23 claims
- 1490US11124697B2Infused and coated proppant containing chemical treatment agents and methods of using sameCARBO CERAMICS INC·Filed 2018·Granted Sep 21, 2021·3 cites·19 claims
- 1590US9175210B2Proppant particles formed from slurry droplets and method of useELDRED BENJAMIN T·Filed 2011·Granted Nov 3, 2015·12 cites·27 claims
- 1689US8100177B2Method of logging a well using a thermal neutron absorbing materialSMITH JR HARRY D·Filed 2009·Granted Jan 24, 2012·27 cites·55 claims
- 1788US12473237B2Proppant particles formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2024·Granted Nov 18, 2025·0 cites·6 claims
- 1887US9951267B2Infused and coated proppant containing chemical treatment agents and methods of using sameCARBO CERAMICS INC·Filed 2015·Granted Apr 24, 2018·4 cites·19 claims
- 1984US9261620B2Apparatus, method and system for mapping fracture features in hydraulically fractured strata using functional proppant propertiesCARBO CERAMICS INC·Filed 2012·Granted Feb 16, 2016·7 cites·20 claims
- 2084US9038715B2Use of PNC tools to determine the depth and relative location of proppant in fractures and the near borehole regionSMITH JR HARRY D·Filed 2012·Granted May 26, 2015·9 cites·56 claims
- 2183US2023071272A1Proppant particles formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2022·Application pending·0 cites
- 2280US10161237B2Identification of proppant in subterranean fracture zones using a ratio of capture to inelastic gamma raysCARBO CERAMICS INC·Filed 2015·Granted Dec 25, 2018·3 cites·21 claims
- 2379US11078771B2Identification of cement in subterranean borehole regions using a ratio of capture to inelastic gamma raysCARBO CERAMICS INC·Filed 2018·Granted Aug 3, 2021·2 cites·14 claims
- 2478US12252648B2Infused and coated proppant containing chemical treatment agents and methods of using sameCARBO CERAMICS INC·Filed 2023·Granted Mar 18, 2025·0 cites·12 claims
- 2578US11739260B2Infused and coated proppant containing chemical treatment agents and methods of using sameCARBO CERAMICS INC·Filed 2021·Granted Aug 29, 2023·0 cites·21 claims
- 2677US10316242B2Composition and method for hydraulic fracturing and evaluation and diagnostics of hydraulic fractures using infused porous ceramic proppantCARBO CERAMICS INC·Filed 2014·Granted Jun 11, 2019·4 cites·45 claims
- 2777US8214151B2Methods of identifying high neutron capture cross section doped proppant in induced subterranean formation fracturesDUENCKEL ROBERT·Filed 2009·Granted Jul 3, 2012·16 cites·52 claims
- 2871US12037545B2Composition and method for hydraulic fracturing and evaluation and diagnostics of hydraulic fractures using infused porous ceramic proppantCARBO CERAMICS INC·Filed 2022·Granted Jul 16, 2024·0 cites·19 claims
- 2968US10513654B2Methods of making proppant particles from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2018·Granted Dec 24, 2019·0 cites·15 claims
- 3064US10507517B2Foundry media formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2017·Granted Dec 17, 2019·0 cites·20 claims
- 3163US2020114415A1Foundry media formed from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2019·Application pending·0 cites
- 3261US10077398B2Methods of making proppant particles from slurry droplets and methods of useCARBO CERAMICS INC·Filed 2016·Granted Sep 18, 2018·0 cites·20 claims
- 3361US2019016944A1Proppant particles formed from slurry droplets and method of useCARBO CERAMICS INC·Filed 2018·Application pending·0 cites
- 3450US2011177984A1Tagged Propping Agents and Related MethodsCARBO CERAMICS INC·Filed 2011·Application pending·0 cites
- 3550US2006081371A1Sintered spherical pelletsCARBO CERAMICS INC·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Robert Duenckel 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 →