Inventor · disambiguated record
Danny Lee Artherholt
Also filed as: ARTHERHOLT DANNY · ARTHERHOLT DANNY L · ARTHERHOLT DANNY LEE
45 granted patents·5 pending applications·428 citations·filing 2005–2024
98Inventor score
Files withOIL STATES ENERGY SERVICES LLC30STINGER WELLHEAD PROT INC13MCGUIRE BOB3ARTHERHOLT DANNY LEE1DALLAS L MURRAY1
Top patents by PatentIndex Score
50 records- 0198US9260933B2Modular ball dropOIL STATES ENERGY SERVICES LLC·Filed 2013·Granted Feb 16, 2016·86 cites·17 claims
- 0298US7828053B2Multipart frac head with replaceable componentsSTINGER WELLHEAD PROT INC·Filed 2007·Granted Nov 9, 2010·100 cites·19 claims
- 0397US10969023B2Valve with pressure differential seatingOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Apr 6, 2021·6 cites·17 claims
- 0496US11572956B2Valve with pressure differential seatingOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Feb 7, 2023·5 cites·20 claims
- 0595US10895139B2Frac manifold isolation toolOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Jan 19, 2021·8 cites·13 claims
- 0695US10570692B1Zipper bridgeOIL STATES ENERGY SERVICES LLC·Filed 2019·Granted Feb 25, 2020·18 cites·12 claims
- 0794US11725738B2Valve assembly methodOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Aug 15, 2023·3 cites·9 claims
- 0894US11028929B2Valve with pressure differential seatingOIL STATES ENERGY SERVICES LLC·Filed 2019·Granted Jun 8, 2021·6 cites·17 claims
- 0993US10858902B2Frac manifold and connectorOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Dec 8, 2020·5 cites·11 claims
- 1093US7484776B2High-pressure threaded union with metal-to-metal seal, and metal ring gasket for sameSTINGER WELLHEAD PROT INC·Filed 2005·Granted Feb 3, 2009·22 cites·16 claims
- 1191US12259064B2Valve with pressure differential seatingOIL STATES ENERGY SERVICES LLC·Filed 2023·Granted Mar 25, 2025·1 cites·11 claims
- 1291US10309564B1Extendable spoolOIL STATES ENERGY SERVICES LLC·Filed 2018·Granted Jun 4, 2019·7 cites·10 claims
- 1391US8205916B2High-pressure threaded union with metal-to-metal seal, and metal ring gasket for sameDALLAS L MURRAY·Filed 2011·Granted Jun 26, 2012·10 cites·20 claims
- 1489US11214455B2Extendable spoolOIL STATES ENERGY SERVICES LLC·Filed 2019·Granted Jan 4, 2022·4 cites·14 claims
- 1588US11168528B2Universal atmospheric deployment deviceOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Nov 9, 2021·3 cites·22 claims
- 1687US11585199B2Frac manifold isolation toolOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Feb 21, 2023·2 cites·14 claims
- 1787US8869882B2Low profile, high capacity ball injectorMCGUIRE BOB·Filed 2010·Granted Oct 28, 2014·9 cites·11 claims
- 1887US8636055B2Controlled aperture ball dropYOUNG JOEL H·Filed 2011·Granted Jan 28, 2014·13 cites·20 claims
- 1986US9228417B2Horizontal frac ball injectorOIL STATES ENERGY SERVICES LLC·Filed 2014·Granted Jan 5, 2016·8 cites·19 claims
- 2086US7922216B2High-pressure threaded union with metal-to-metal seal, and metal ring gasket for sameSTINGER WELLHEAD PROT INC·Filed 2010·Granted Apr 12, 2011·6 cites·20 claims
- 2185US8770277B2Frac head with sacrificial wash ringARTHERHOLT DANNY LEE·Filed 2011·Granted Jul 8, 2014·13 cites·20 claims
- 2284US7481418B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2006·Granted Jan 27, 2009·8 cites·19 claims
- 2382US9291024B2Ball drop wellhead control apparatusOIL STATES ENERGY SERVICES LLC·Filed 2015·Granted Mar 22, 2016·3 cites·20 claims
- 2482US2025027568A1Valve with pressure differential seatingOIL STATES ENERGY SERVICES LLC·Filed 2024·Application pending·0 cites
- 2581US8869883B2Horizontal frac ball injectorMCGUIRE BOB·Filed 2011·Granted Oct 28, 2014·6 cites·11 claims
- 2680US12287039B2Valve with pressure differential seatingOIL STATES ENERGY SERVICES LLC·Filed 2023·Granted Apr 29, 2025·0 cites·25 claims
- 2780US8839851B2Controlled apperture ball dropOIL STATES ENERGY SERVICES LLC·Filed 2013·Granted Sep 23, 2014·5 cites·20 claims
- 2879US11655900B2Valve with pressure differential seatingOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted May 23, 2023·1 cites·9 claims
- 2979US11428088B2Frac manifold isolation toolOIL STATES ENERGY SERVICES LLC·Filed 2020·Granted Aug 30, 2022·1 cites·18 claims
- 3079US9010413B2Ball drop wellhead control apparatusOIL STATES ENERGY SERVICES LLC·Filed 2012·Granted Apr 21, 2015·5 cites·16 claims
- 3178US7845619B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2010·Granted Dec 7, 2010·3 cites·20 claims
- 3277US9222329B2Low profile, high capacity ball injectorOIL STATES ENERGY SERVICES LLC·Filed 2014·Granted Dec 29, 2015·4 cites·20 claims
- 3374US7699291B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2009·Granted Apr 20, 2010·4 cites·20 claims
- 3474US7597307B2Two-part back cap for a plug valve and plug valves incorporating sameSTINGER WELLHEAD PROT INC·Filed 2008·Granted Oct 6, 2009·4 cites·19 claims
- 3573US7434617B2Cup tool with three-part packoff for a high pressure mandrelSTINGER WELLHEAD PROT INC·Filed 2006·Granted Oct 14, 2008·11 cites·20 claims
- 3672US11091993B2Zipper bridgeOIL STATES ENERGY SERVICES LLC·Filed 2019·Granted Aug 17, 2021·1 cites·14 claims
- 3772US7654585B2High-pressure threaded union with metal-to-metal seal, and metal ring gasket for sameSTINGER WELLHEAD PROT INC·Filed 2008·Granted Feb 2, 2010·4 cites·17 claims
- 3872US7243733B2Cup tool for a high-pressure mandrel and method of using sameSTINGER WELLHEAD PROT INC·Filed 2005·Granted Jul 17, 2007·12 cites·20 claims
- 3972US2023323958A1Valve assembly methodOIL STATES ENERGY SERVICES LLC·Filed 2023·Application pending·0 cites
- 4070US9879499B2Atmosphere to pressure ball drop apparatusOIL STATES ENERGY SERVICES LLC·Filed 2016·Granted Jan 30, 2018·2 cites·29 claims
- 4170US9447652B2Atmosphere to pressure ball drop apparatusOIL STATES ENERGY SERVICES LLC·Filed 2014·Granted Sep 20, 2016·4 cites·20 claims
- 4261US7708061B2Cup tool, cup tool cup and method of using the cup toolSTINGER WELLHEAD PROT INC·Filed 2007·Granted May 4, 2010·6 cites·20 claims
- 4360US8113275B2Multipart frac head with replaceable componentsMCGUIRE BOB·Filed 2010·Granted Feb 14, 2012·1 cites·14 claims
- 4460US2021340852A1Zipper bridgeOIL STATES ENERGY SERVICES LLC·Filed 2021·Application pending·0 cites
- 4553US9869151B2Controlled aperture ball dropOIL STATES ENERGY SERVICES LLC·Filed 2014·Granted Jan 16, 2018·0 cites·10 claims
- 4653US7644757B2Fixed-point packoff element with primary seal test capabilitySTINGER WELLHAND PROT INC·Filed 2007·Granted Jan 12, 2010·5 cites·13 claims
- 4752US7669654B2Cup tool with three-part packoff for a high pressure mandrelSTINGER WELLHEAD PROT INC·Filed 2008·Granted Mar 2, 2010·2 cites·20 claims
- 4848US7743822B2Snubber spool with detachable base platesSTINGER WELLHEAD PROT INC·Filed 2007·Granted Jun 29, 2010·1 cites·20 claims
- 4944US2022307362A1Frac manifold isolation toolOIL STATES ENERGY SERVICES LLC·Filed 2022·Application pending·0 cites
- 5040US2018223621A1Wellhead isolation tool and methodsOIL STATES ENERGY SERVICES LLC·Filed 2018·Application pending·0 cites
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