Inventor · disambiguated record
Timothy James Held
Also filed as: HELD TIMOTHY · HELD TIMOTHY J · HELD TIMOTHY JAMES
51 granted patents·8 pending applications·2,474 citations·filing 2000–2024
99Inventor score
Files withGEN ELECTRIC17HELD TIMOTHY JAMES11ECHOGEN POWER SYSTEMS LLC10HELD TIMOTHY J6HART KATHERINE2
Top patents by PatentIndex Score
59 records- 0199US11187112B2Systems and methods for generating electricity via a pumped thermal energy storage systemECHOGEN POWER SYSTEMS LLC·Filed 2019·Granted Nov 30, 2021·63 cites·16 claims
- 0299US10883388B2Systems and methods for generating electricity via a pumped thermal energy storage systemECHOGEN POWER SYSTEMS LLC·Filed 2019·Granted Jan 5, 2021·52 cites·22 claims
- 0399US9341084B2Supercritical carbon dioxide power cycle for waste heat recoveryECHOGEN POWER SYSTEMS LLC·Filed 2013·Granted May 17, 2016·89 cites·13 claims
- 0499US9062898B2Carbon dioxide refrigeration cycleHELD TIMOTHY JAMES·Filed 2012·Granted Jun 23, 2015·87 cites·20 claims
- 0599US9014791B2System and method for managing thermal issues in gas turbine enginesHELD TIMOTHY JAMES·Filed 2010·Granted Apr 21, 2015·129 cites·37 claims
- 0699US8869531B2Heat engines with cascade cyclesHELD TIMOTHY JAMES·Filed 2011·Granted Oct 28, 2014·101 cites·22 claims
- 0799US8857186B2Heat engine cycles for high ambient conditionsHELD TIMOTHY JAMES·Filed 2011·Granted Oct 14, 2014·97 cites·21 claims
- 0899US8616001B2Driven starter pump and start sequenceHELD TIMOTHY JAMES·Filed 2011·Granted Dec 31, 2013·68 cites·20 claims
- 0998US10934895B2Heat engine systems with high net power supercritical carbon dioxide circuitsECHOGEN POWER SYSTEMS LLC·Filed 2014·Granted Mar 2, 2021·77 cites·20 claims
- 1098US10024198B2Heat engine system including an integrated cooling circuitECHOGEN POWER SYSTEMS LLC·Filed 2016·Granted Jul 17, 2018·74 cites·7 claims
- 1198US9458738B2Heat engine and heat to electricity systems and methods with working fluid mass management controlHELD TIMOTHY JAMES·Filed 2013·Granted Oct 4, 2016·76 cites·20 claims
- 1298US9441504B2System and method for managing thermal issues in one or more industrial processesHELD TIMOTHY JAMES·Filed 2010·Granted Sep 13, 2016·67 cites·27 claims
- 1398US8783034B2Hot day cycleHELD TIMOTHY JAMES·Filed 2011·Granted Jul 22, 2014·82 cites·20 claims
- 1498US8613195B2Heat engine and heat to electricity systems and methods with working fluid mass management controlHELD TIMOTHY J·Filed 2011·Granted Dec 24, 2013·95 cites·18 claims
- 1598US8281593B2Heat engine and heat to electricity systems and methods with working fluid fill systemHELD TIMOTHY J·Filed 2010·Granted Oct 9, 2012·66 cites·31 claims
- 1698US7520134B2Methods and apparatus for injecting fluids into a turbine engineGEN ELECTRIC·Filed 2006·Granted Apr 21, 2009·94 cites·20 claims
- 1798US6453660B1Combustor mixer having plasma generating nozzleGEN ELECTRIC·Filed 2001·Granted Sep 24, 2002·160 cites·19 claims
- 1897US8096128B2Heat engine and heat to electricity systems and methodsHELD TIMOTHY J·Filed 2009·Granted Jan 17, 2012·103 cites·19 claims
- 1997US6363726B1Mixer having multiple swirlersGEN ELECTRIC·Filed 2000·Granted Apr 2, 2002·157 cites·14 claims
- 2095US10495098B2Systems and methods for balancing thrust loads in a heat engine systemECHOGEN POWER SYSTEMS LLC·Filed 2015·Granted Dec 3, 2019·52 cites·3 claims
- 2195US9932861B2Systems and methods for controlling backpressure in a heat engine system having hydrostaic bearingsECHOGEN POWER SYSTEMS LLC·Filed 2015·Granted Apr 3, 2018·66 cites·5 claims
- 2295US9863282B2Automated mass management controlHART KATHERINE·Filed 2014·Granted Jan 9, 2018·74 cites·6 claims
- 2395US9410449B2Driven starter pump and start sequenceHELD TIMOTHY JAMES·Filed 2013·Granted Aug 9, 2016·21 cites·20 claims
- 2495US8966901B2Heat engine and heat to electricity systems and methods for working fluid fill systemECHOGEN POWER SYSTEMS INC·Filed 2012·Granted Mar 3, 2015·14 cites·28 claims
- 2594US10472994B2Systems and methods for controlling the pressure of a working fluid at an inlet of a pressurization device of a heat engine systemECHOGEN POWER SYSTEMS LLC·Filed 2018·Granted Nov 12, 2019·74 cites·20 claims
- 2694US8794002B2Thermal energy conversion methodHELD TIMOTHY J·Filed 2009·Granted Aug 5, 2014·22 cites·53 claims
- 2793US7536862B2Fuel nozzle for gas turbine enginesGEN ELECTRIC·Filed 2005·Granted May 26, 2009·29 cites·15 claims
- 2892US8813497B2Automated mass management controlHART KATHERINE·Filed 2012·Granted Aug 26, 2014·32 cites·20 claims
- 2992US7631500B2Methods and apparatus to facilitate decreasing combustor acousticsGEN ELECTRIC·Filed 2006·Granted Dec 15, 2009·33 cites·20 claims
- 3090US7059135B2Method to decrease combustor emissionsGEN ELECTRIC·Filed 2005·Granted Jun 13, 2006·27 cites·5 claims
- 3190US6415594B1Methods and apparatus for reducing gas turbine engine emissionsGEN ELECTRIC·Filed 2000·Granted Jul 9, 2002·78 cites·20 claims
- 3289US7284377B2Method and apparatus for operating an intercooler for a gas turbine engineGEN ELECTRIC·Filed 2004·Granted Oct 23, 2007·59 cites·14 claims
- 3387US6871501B2Method and apparatus to decrease gas turbine engine combustor emissionsGEN ELECTRIC·Filed 2002·Granted Mar 29, 2005·65 cites·18 claims
- 3485US9284855B2Parallel cycle heat enginesHELD TIMOTHY JAMES·Filed 2011·Granted Mar 15, 2016·4 cites·26 claims
- 3582US9115605B2Thermal energy conversion deviceHELD TIMOTHY J·Filed 2009·Granted Aug 25, 2015·7 cites·39 claims
- 3673US9816403B2Thermal energy conversion methodHELD TIMOTHY JAMES·Filed 2014·Granted Nov 14, 2017·1 cites·11 claims
- 3772US11585244B2Systems and methods for generating electricity via a pumped thermal energy storage systemECHOGEN POWER SYSTEMS LLC·Filed 2021·Granted Feb 21, 2023·0 cites·13 claims
- 3871US9926811B2Control methods for heat engine systems having a selectively configurable working fluid circuitGIEGEL JOSHUA·Filed 2014·Granted Mar 27, 2018·2 cites·18 claims
- 3964US8631656B2Gas turbine engine combustor circumferential acoustic reduction using flame temperature nonuniformitiesDANIS ALLEN MICHAEL·Filed 2008·Granted Jan 21, 2014·9 cites·27 claims
- 4063US6862889B2Method and apparatus to decrease combustor emissionsGEN ELECTRIC·Filed 2002·Granted Mar 8, 2005·20 cites·5 claims
- 4163US2024344775A1Method for Controlling the Thermal Reservoir Utilization Balance of a Pumped Thermal Energy Storage SystemSUPERCRITICAL STORAGE COMPANY·Filed 2024·Application pending·0 cites
- 4261US8281597B2Cooled flameholder swirl cupLI SHUI-CHI·Filed 2008·Granted Oct 9, 2012·8 cites·18 claims
- 4360US2024210072A1Heat pump steam generatorHELD TIMOTHY J·Filed 2023·Application pending·0 cites
- 4459US12331664B2Waste heat integration into pumped thermal energy storageSUPERCRITICAL STORAGE COMPANY INC·Filed 2024·Granted Jun 17, 2025·0 cites·20 claims
- 4557US11629638B2Three reservoir electric thermal energy storage systemSUPERCRITICAL STORAGE COMPANY INC·Filed 2021·Granted Apr 18, 2023·0 cites·30 claims
- 4649US2009031615A1Integrated method for producing a fuel component from biomass and system thereforGEN ELECTRIC·Filed 2008·Application pending·0 cites
- 4748US7665308B2Methods and apparatus for injecting fluids into a turbine engineGEN ELECTRIC·Filed 2005·Granted Feb 23, 2010·1 cites·20 claims
- 4848US7340900B2Method and apparatus for decreasing combustor acousticsGEN ELECTRIC·Filed 2004·Granted Mar 11, 2008·11 cites·18 claims
- 4947US7007479B2Method and apparatus to decrease combustor emissionsGEN ELECTRIC·Filed 2004·Granted Mar 7, 2006·9 cites·6 claims
- 5046US7905093B2Apparatus to facilitate decreasing combustor acousticsGEN ELECTRIC·Filed 2007·Granted Mar 15, 2011·2 cites·12 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →