Inventor · disambiguated record
Douglas J. Snyder
Also filed as: SNYDER DOUGLAS · SNYDER DOUGLAS J
66 granted patents·4 pending applications·973 citations·filing 1996–2024
99Inventor score
Files withROLLS ROYCE NAM TECH INC35GEN ELECTRIC17GE MED SYS GLOBAL TECH CO LLC8ROLLS ROYCE CORP6POPE J EDWARD1
Top patents by PatentIndex Score
70 records- 0198US11162388B1Thermal management system to cool transient heat loads with low power consumptionROLLS ROYCE NAM TECH INC·Filed 2020·Granted Nov 2, 2021·11 cites·20 claims
- 0298US10677166B2Heat exchanger for a gas turbine engine propulsion systemROLLS ROYCE NAM TECH INC·Filed 2016·Granted Jun 9, 2020·25 cites·16 claims
- 0398US6385292B1Solid-state CT system and methodGE MED SYS GLOBAL TECH CO LLC·Filed 2000·Granted May 7, 2002·140 cites·20 claims
- 0496US11273925B1Thermal management system and method for cooling a hybrid electric aircraft propulsion systemROLLS ROYCE NAM TECH INC·Filed 2020·Granted Mar 15, 2022·17 cites·20 claims
- 0595US10513981B2Heat exchanger assembly for a gas turbine engine propulsion systemROLLS ROYCE NAM TECH INC·Filed 2017·Granted Dec 24, 2019·10 cites·18 claims
- 0694US9587561B2Heat exchanger integrated with a gas turbine engine and adaptive flow controlROLLS ROYCE NAM TECH INC·Filed 2013·Granted Mar 7, 2017·21 cites·20 claims
- 0793US11959669B2Bimodal cooling systemROLLS ROYCE NAM TECH INC·Filed 2021·Granted Apr 16, 2024·3 cites·20 claims
- 0893US11591102B2Aircraft with thermal energy storage system for multiple heat loadsROLLS ROYCE NAM TECH INC·Filed 2021·Granted Feb 28, 2023·2 cites·20 claims
- 0993US10830150B2Fuel heat exchanger with leak managementROLLS ROYCE CORP·Filed 2017·Granted Nov 10, 2020·9 cites·21 claims
- 1093US10053222B2Aircraft vehicle thermal management system and methodROLLS ROYCE CORP·Filed 2015·Granted Aug 21, 2018·10 cites·16 claims
- 1193US9908635B2Aircraft systemROLLS ROYCE NAM TECH INC·Filed 2014·Granted Mar 6, 2018·13 cites·11 claims
- 1293US8910465B2Gas turbine engine and heat exchange systemSNYDER DOUGLAS J·Filed 2010·Granted Dec 16, 2014·31 cites·19 claims
- 1393US6430260B1X-ray tube anode cooling device and systems incorporating sameGEN ELECTRIC·Filed 2000·Granted Aug 6, 2002·46 cites·57 claims
- 1493US6301332B1Thermal filter for an x-ray tube windowGEN ELECTRIC·Filed 2000·Granted Oct 9, 2001·44 cites·10 claims
- 1591US10842044B2Cooling system in hybrid electric propulsion gas turbine engineROLLS ROYCE NAM TECH INC·Filed 2017·Granted Nov 17, 2020·8 cites·17 claims
- 1691US10746440B2Thermal management system including two-phased pump loop and thermal energy storageROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC·Filed 2018·Granted Aug 18, 2020·25 cites·19 claims
- 1791US10384792B2Aircraft vehicle thermal management system and methodROLLS ROYCE CORP·Filed 2018·Granted Aug 20, 2019·6 cites·20 claims
- 1891US6377659B1X-ray tubes and x-ray systems having a thermal gradient deviceGE MED SYS GLOBAL TECH CO LLC·Filed 2000·Granted Apr 23, 2002·45 cites·47 claims
- 1990US6307916B1Heat pipe assisted cooling of rotating anode x-ray tubesGEN ELECTRIC·Filed 1999·Granted Oct 23, 2001·63 cites·22 claims
- 2090US6215852B1Thermal energy storage and transfer assemblyGEN ELECTRIC·Filed 1998·Granted Apr 10, 2001·58 cites·85 claims
- 2189US10752375B2Aircraft systemROLLS ROYCE NAM TECH INC·Filed 2018·Granted Aug 25, 2020·4 cites·12 claims
- 2289US10443499B2Enhanced heat sink availability on gas turbine engines through the use of coolersROLLS ROYCE NAM TECH INC·Filed 2015·Granted Oct 15, 2019·5 cites·12 claims
- 2389US9790893B2Gas turbine engine flow duct having integrated heat exchangerROLLS ROYCE NAM TECH INC·Filed 2013·Granted Oct 17, 2017·12 cites·14 claims
- 2487US11744042B2Thermal management system with dual-use serial thermal energy storage for system size reductionROLLS ROYCE NAM TECH INC·Filed 2020·Granted Aug 29, 2023·2 cites·20 claims
- 2587US11118784B2Heat exchanger integrated with fuel nozzleROLLS ROYCE NAM TECH INC·Filed 2017·Granted Sep 14, 2021·5 cites·21 claims
- 2687US6477231B2Thermal energy transfer device and x-ray tubes and x-ray systems incorporating sameGEN ELECTRIC·Filed 2000·Granted Nov 5, 2002·31 cites·70 claims
- 2786US10934936B2Cooling system in a hybrid electric propulsion gas turbine engine for cooling electrical components thereinROLLS ROYCE NAM TECH INC·Filed 2017·Granted Mar 2, 2021·3 cites·15 claims
- 2885US9482451B2Adaptive trans-critical CO2 cooling systems for aerospace applicationsVAISMAN IGOR·Filed 2013·Granted Nov 1, 2016·8 cites·20 claims
- 2984US10830147B2Heat exchanger integrated with fuel nozzleROLLS ROYCE NAM TECH INC·Filed 2017·Granted Nov 10, 2020·3 cites·28 claims
- 3082US10260523B2Fluid cooling system integrated with outlet guide vaneROLLS ROYCE NAM TECH INC·Filed 2016·Granted Apr 16, 2019·3 cites·20 claims
- 3181US10775110B2Tight temperature control at a thermal load with a two phase pumped loop, optionally augmented with a vapor compression cycleROLLS ROYCE NAM TECH INC·Filed 2018·Granted Sep 15, 2020·2 cites·5 claims
- 3281US6553097B2X-ray tube anode assembly and x-ray systems incorporating sameGE MED SYS GLOBAL TECH CO LLC·Filed 2001·Granted Apr 22, 2003·13 cites·27 claims
- 3380US9840967B2Ram air thermal management systemROLLS ROYCE NAM TECH INC·Filed 2013·Granted Dec 12, 2017·6 cites·20 claims
- 3480US6362415B1HV connector with heat transfer device for X-ray tubeGEN ELECTRIC·Filed 2000·Granted Mar 26, 2002·15 cites·20 claims
- 3579US11212948B1Thermal management system for tightly controlling temperature of a thermal loadROLLS ROYCE NAM TECH INC·Filed 2021·Granted Dec 28, 2021·1 cites·20 claims
- 3676US11286881B2Gas turbine engine with reversible heat exchangerROLLS ROYCE NAM TECH INC·Filed 2019·Granted Mar 29, 2022·2 cites·14 claims
- 3776US10968830B2Systems and methods for cooling electronics and electrical machinery in a hybrid electric aircraftROLLS ROYCE NAM TECH INC·Filed 2018·Granted Apr 6, 2021·2 cites·15 claims
- 3875US12385439B2Aircraft with thermal energy storage systemROLLS ROYCE NAM TECH INC·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 3975US11300049B2Inlet guide vane draw heat exchanger systemROLLS ROYCE NAM TECH INC·Filed 2020·Granted Apr 12, 2022·1 cites·20 claims
- 4075US11255215B2Gas turbine engine with microchannel cooled electric deviceROLLS ROYCE NAM TECH INC·Filed 2018·Granted Feb 22, 2022·1 cites·20 claims
- 4174US10775046B2Fuel injection assembly for gas turbine engineROLLS ROYCE NAM TECH INC·Filed 2017·Granted Sep 15, 2020·2 cites·20 claims
- 4274US6192107B1Liquid metal cooled anode for an X-ray tubeGEN ELECTRIC·Filed 1999·Granted Feb 20, 2001·27 cites·14 claims
- 4373US6608429B1X-ray imaging system with convective heat transfer deviceGE MED SYS GLOBAL TECH CO LLC·Filed 2000·Granted Aug 19, 2003·10 cites·21 claims
- 4473US6304631B1X-ray tube vapor chamber targetGEN ELECTRIC·Filed 1999·Granted Oct 16, 2001·24 cites·21 claims
- 4572US12359851B2Thermal energy storage and heat rejection systemROLLS ROYCE CORP·Filed 2022·Granted Jul 15, 2025·0 cites·17 claims
- 4672US6463125B1High performance x-ray targetGEN ELECTRIC·Filed 2000·Granted Oct 8, 2002·10 cites·20 claims
- 4772US6160868AX-ray tube apparatus employing liquid metal for heat removalGEN ELECTRIC·Filed 1999·Granted Dec 12, 2000·24 cites·20 claims
- 4871US9157328B2Cooled gas turbine engine componentPOPE J EDWARD·Filed 2011·Granted Oct 13, 2015·8 cites·23 claims
- 4971US6456693B1Multiple row spiral groove bearing for X-ray tubeGE MED SYS GLOBAL TECH CO LLC·Filed 2001·Granted Sep 24, 2002·9 cites·18 claims
- 5069US12504240B2Heat exchanger with expansion joint insert for thermal expansion and external force toleranceROLLS ROYCE NAM TECH INC·Filed 2024·Granted Dec 23, 2025·0 cites·8 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →