Inventor · disambiguated record
Mark Julian Roberts
Also filed as: ROBERTS MARK · ROBERTS MARK J · ROBERTS MARK JULIAN
76 granted patents·26 pending applications·1,695 citations·filing 1988–2025
99Inventor score
Top patents by PatentIndex Score
102 records- 0198US6662589B1Integrated high pressure NGL recovery in the production of liquefied natural gasAIR PROD & CHEM·Filed 2003·Granted Dec 16, 2003·175 cites·31 claims
- 0298US6308531B1Hybrid cycle for the production of liquefied natural gasAIR PROD & CHEM·Filed 1999·Granted Oct 30, 2001·173 cites·26 claims
- 0395US10866022B2Method and system for cooling a hydrocarbon stream using a gas phase refrigerantAIR PROD & CHEM·Filed 2018·Granted Dec 15, 2020·8 cites·18 claims
- 0495US9863697B2Integrated methane refrigeration system for liquefying natural gasAIR PROD & CHEM·Filed 2015·Granted Jan 9, 2018·9 cites·24 claims
- 0595US7437889B2Method and apparatus for producing products from natural gas including helium and liquefied natural gasAIR PROD & CHEM·Filed 2006·Granted Oct 21, 2008·25 cites·18 claims
- 0694US9631864B2Heavy hydrocarbon removal from a natural gas streamCHEN FEI·Filed 2012·Granted Apr 25, 2017·22 cites·10 claims
- 0794US8656733B2Liquefaction method and systemAIR PROD & CHEM·Filed 2013·Granted Feb 25, 2014·9 cites·20 claims
- 0894US6742357B1Integrated multiple-loop refrigeration process for gas liquefactionAIR PROD & CHEM·Filed 2003·Granted Jun 1, 2004·70 cites·26 claims
- 0994US6269655B1Dual mixed refrigerant cycle for gas liquefactionFiled 2000·Granted Aug 7, 2001·78 cites·2 claims
- 1093US8464551B2Liquefaction method and systemROBERTS MARK JULIAN·Filed 2008·Granted Jun 18, 2013·24 cites·36 claims
- 1193US5524442ACooling system employing a primary, high pressure closed refrigeration loop and a secondary refrigeration loopPRAXAIR TECHNOLOGY INC·Filed 1994·Granted Jun 11, 1996·88 cites·18 claims
- 1292US11624555B2Method and system for cooling a hydrocarbon streamAIR PROD & CHEM·Filed 2020·Granted Apr 11, 2023·2 cites·8 claims
- 1392US6119479ADual mixed refrigerant cycle for gas liquefactionAIR PROD & CHEM·Filed 1998·Granted Sep 19, 2000·79 cites·21 claims
- 1491US9945604B2Integrated nitrogen removal in the production of liquefied natural gas using refrigerated heat pumpAIR PROD & CHEM·Filed 2014·Granted Apr 17, 2018·8 cites·17 claims
- 1589US11499775B2Liquefaction systemAIR PROD & CHEM·Filed 2020·Granted Nov 15, 2022·2 cites·17 claims
- 1689US6560989B1Separation of hydrogen-hydrocarbon gas mixtures using closed-loop gas expander refrigerationAIR PROD & CHEM·Filed 2002·Granted May 13, 2003·70 cites·27 claims
- 1789US6347532B1Gas liquefaction process with partial condensation of mixed refrigerant at intermediate temperaturesAIR PROD & CHEM·Filed 1999·Granted Feb 19, 2002·82 cites·23 claims
- 1889US5178593ACombination stationary recumbent exercise apparatus and upper body exerciserROBERTS MARK J·Filed 1991·Granted Jan 12, 1993·82 cites·5 claims
- 1988US10393429B2Method of operating natural gas liquefaction facilityAIR PROD & CHEM·Filed 2016·Granted Aug 27, 2019·4 cites·27 claims
- 2087US10544986B2Parallel compression in LNG plants using a double flow compressorAIR PROD & CHEM·Filed 2017·Granted Jan 28, 2020·3 cites·20 claims
- 2187US6347531B1Single mixed refrigerant gas liquefaction processAIR PROD & CHEM·Filed 1999·Granted Feb 19, 2002·71 cites·15 claims
- 2286US9816754B2Integrated nitrogen removal in the production of liquefied natural gas using dedicated reinjection circuitAIR PROD & CHEM·Filed 2014·Granted Nov 14, 2017·4 cites·5 claims
- 2386US7308805B2Integrated multiple-loop refrigeration process for gas liquefactionAIR PROD & CHEM·Filed 2006·Granted Dec 18, 2007·7 cites·12 claims
- 2486US6298688B1Process for nitrogen liquefactionAIR PROD & CHEM·Filed 1999·Granted Oct 9, 2001·60 cites·14 claims
- 2585US11221176B2Natural gas liquefaction with integrated nitrogen removalAIR PROD & CHEM·Filed 2018·Granted Jan 11, 2022·2 cites·16 claims
- 2684US10982898B2Modularized LNG separation device and flash gas heat exchangerAIR PROD & CHEM·Filed 2018·Granted Apr 20, 2021·2 cites·11 claims
- 2784US5269736ACombination stationary recumbent exercise apparatus and upper body exerciserROBERTS MARK J·Filed 1993·Granted Dec 14, 1993·62 cites·13 claims
- 2882US11317740B2Clip-on adaptor for inventory dividerLOGIQUIP LLC·Filed 2021·Granted May 3, 2022·3 cites·13 claims
- 2982US7127914B2Hybrid gas liquefaction cycle with multiple expandersAIR PROD & CHEM·Filed 2003·Granted Oct 31, 2006·42 cites·32 claims
- 3082US6962060B2Refrigeration compression system with multiple inlet streamsAIR PROD & CHEM·Filed 2003·Granted Nov 8, 2005·36 cites·13 claims
- 3182US5402647ACryogenic rectification system for producing elevated pressure nitrogenPRAXAIR TECHNOLOGY INC·Filed 1994·Granted Apr 4, 1995·43 cites·17 claims
- 3282US2024003618A1System and method for recondensing boil-off gas from a liquefied natural gas tankAIR PROD & CHEM·Filed 2023·Application pending·0 cites
- 3381US11752015B2Failsafe device for prosthetic limbBIOMET MFG LLC·Filed 2020·Granted Sep 12, 2023·1 cites·20 claims
- 3481US10772745B2Failsafe device for prosthetic limbBIOMET MFG LLC·Filed 2017·Granted Sep 15, 2020·4 cites·18 claims
- 3581US4987746AApparatus for transferring water from a container to a refrigerator ice makerROBERTS MARK J·Filed 1989·Granted Jan 29, 1991·35 cites·5 claims
- 3680US7086251B2Integrated multiple-loop refrigeration process for gas liquefactionAIR PROD & CHEM·Filed 2004·Granted Aug 8, 2006·23 cites·21 claims
- 3779US8881466B2Insulated door and method of assembling an insulated doorROBERTS MARK·Filed 2010·Granted Nov 11, 2014·8 cites·17 claims
- 3878US6425266B1Low temperature hydrocarbon gas separation processAIR PROD & CHEM·Filed 2001·Granted Jul 30, 2002·31 cites·16 claims
- 3978US5469710ACryogenic rectification system with enhanced argon recoveryPRAXAIR TECHNOLOGY INC·Filed 1994·Granted Nov 28, 1995·37 cites·8 claims
- 4076US6266977B1Nitrogen refrigerated process for the recovery of C2+ HydrocarbonsAIR PROD & CHEM·Filed 2000·Granted Jul 31, 2001·27 cites·15 claims
- 4176US2025164184A1Single Mixed Refrigerant LNG Production ProcessHONEYWELL LNG LLC·Filed 2022·Application pending·0 cites
- 4275US12474114B2Semi-open loop liquefaction processHONEYWELL LNG LLC·Filed 2022·Granted Nov 18, 2025·0 cites·19 claims
- 4374US10648998B2Automated inventory control system using pivotable dividerLOGIQUIP LLC·Filed 2019·Granted May 12, 2020·1 cites·21 claims
- 4474US10482423B1Automated inventory control systemLOGIQUIP LLC·Filed 2018·Granted Nov 19, 2019·2 cites·10 claims
- 4574US2023272971A1Single mixed refrigerant lng production processAIR PROD & CHEM·Filed 2022·Application pending·0 cites
- 4673US12366408B2Open loop liquefaction process with NGL recoveryHONEYWELL LNG LLC·Filed 2022·Granted Jul 22, 2025·0 cites·18 claims
- 4773US10980580B2Arthrodesis/intercallary/short stem limb salvage implantBIOMET MFG LLC·Filed 2018·Granted Apr 20, 2021·2 cites·14 claims
- 4871US10973318B1Adaptor for modifying the pivot axis of a wire shelf dividerLOGIQUIP LLC·Filed 2020·Granted Apr 13, 2021·1 cites·5 claims
- 4971US9671161B2Controlling liquefaction of natural gasSICINSKI MICHAEL ANDREW·Filed 2011·Granted Jun 6, 2017·3 cites·19 claims
- 5069US9759480B2Refrigerant recovery in natural gas liquefaction processesAIR PROD & CHEM·Filed 2014·Granted Sep 12, 2017·0 cites·4 claims
Showing the top 50 of 102 patent records by PatentIndex Score.
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