Assignee
HILL PHOENIX INC
US·101 granted patents·31 pending applications·499 citations·filing 1999–2025
Top patents by PatentIndex Score
132 records- 0197US11287165B2Refrigeration system with adiabatic electrostatic cooling deviceHILL PHOENIX INC·Filed 2020·Granted Mar 29, 2022·5 cites·22 claims
- 0295US9657977B2Cascade refrigeration system with modular ammonia chiller unitsHILL PHOENIX INC·Filed 2016·Granted May 23, 2017·20 cites·20 claims
- 0395US9377236B2CO2 refrigeration system with hot gas defrostHILL PHOENIX INC·Filed 2012·Granted Jun 28, 2016·25 cites·21 claims
- 0494US9470435B2Modular CO2 refrigeration systemHILL PHOENIX INC·Filed 2013·Granted Oct 18, 2016·18 cites·29 claims
- 0594US7806543B2Light system for a temperature controlled caseHILL PHOENIX INC·Filed 2008·Granted Oct 5, 2010·47 cites·22 claims
- 0692US11940186B2CO2 refrigeration system with magnetic refrigeration system coolingHILL PHOENIX INC·Filed 2022·Granted Mar 26, 2024·1 cites·20 claims
- 0792US9689590B2CO2 refrigeration system with integrated air conditioning moduleHILL PHOENIX INC·Filed 2013·Granted Jun 27, 2017·16 cites·11 claims
- 0891US11913690B2Refrigeration system with efficient expansion device control, liquid refrigerant return, oil return, and evaporator defrostHILL PHOENIX INC·Filed 2022·Granted Feb 27, 2024·1 cites·20 claims
- 0991US11397032B2CO2 refrigeration system with magnetic refrigeration system coolingHILL PHOENIX INC·Filed 2019·Granted Jul 26, 2022·6 cites·15 claims
- 1091US9664424B2Cascade refrigeration system with modular ammonia chiller unitsHILL PHOENIX INC·Filed 2012·Granted May 30, 2017·12 cites·16 claims
- 1191US2026022874A1Co2 refrigeration system with after-coolingHILL PHOENIX INC·Filed 2025·Application pending·0 cites
- 1290US11668499B2Refrigeration system with adiabatic electrostatic cooling deviceHILL PHOENIX INC·Filed 2022·Granted Jun 6, 2023·1 cites·36 claims
- 1390USD943563SSingle dual port network deviceHILL PHOENIX INC·Filed 2021·Granted Feb 15, 2022·15 cites·1 claims
- 1490US11029068B2Systems and methods for pressure control in a CO2 refrigeration systemHILL PHOENIX INC·Filed 2014·Granted Jun 8, 2021·8 cites·14 claims
- 1590US10663201B2CO2 refrigeration system with supercritical subcooling controlHILL PHOENIX INC·Filed 2018·Granted May 26, 2020·6 cites·7 claims
- 1689US11732938B2Refrigeration system with combined superheat and subcooling controlHILL PHOENIX INC·Filed 2021·Granted Aug 22, 2023·1 cites·21 claims
- 1789US11280531B2Refrigeration systems with a first compressor system and a second compressor systemHILL PHOENIX INC·Filed 2019·Granted Mar 22, 2022·4 cites·20 claims
- 1888US8925893B2Lockdown device for refrigerated display casesHILL PHOENIX INC·Filed 2013·Granted Jan 6, 2015·27 cites·17 claims
- 1988US7913506B2Free cooling cascade arrangement for refrigeration systemHILL PHOENIX INC·Filed 2008·Granted Mar 29, 2011·34 cites·18 claims
- 2087US12349815B2Configuration for a heat exchanger in a temperature controlled caseHILL PHOENIX INC·Filed 2023·Granted Jul 8, 2025·1 cites·17 claims
- 2187US11874040B2Refrigeration systems with a first compressor system and a second compressor systemHILL PHOENIX INC·Filed 2022·Granted Jan 16, 2024·1 cites·29 claims
- 2287US11536498B2Refrigeration system with efficient expansion device control, liquid refrigerant return, oil return, and evaporator defrostHILL PHOENIX INC·Filed 2020·Granted Dec 27, 2022·2 cites·6 claims
- 2387US9709302B2Refrigeration system with absorption coolingHILL PHOENIX INC·Filed 2013·Granted Jul 18, 2017·11 cites·10 claims
- 2486US12379139B2CO2 refrigeration system with after-coolingHILL PHOENIX INC·Filed 2024·Granted Aug 5, 2025·0 cites·20 claims
- 2586US11852391B2Systems and methods for pressure control in a CO2 refrigeration systemHILL PHOENIX INC·Filed 2021·Granted Dec 26, 2023·1 cites·21 claims
- 2686US11739989B2Cooling system with a distribution system and a cooling unitHILL PHOENIX INC·Filed 2021·Granted Aug 29, 2023·1 cites·31 claims
- 2786US10393420B2Refrigeration system with brushless DC motor compressor driveHILL PHOENIX INC·Filed 2018·Granted Aug 27, 2019·2 cites·16 claims
- 2886US8522500B1Structural insulated panel systemHILL PHOENIX INC·Filed 2012·Granted Sep 3, 2013·16 cites·6 claims
- 2985US11892210B2Valve and capillary tube system for refrigeration systemsHILL PHOENIX INC·Filed 2021·Granted Feb 6, 2024·1 cites·20 claims
- 3085US11512884B2Expansion valve performance monitoring in refrigeration systemHILL PHOENIX INC·Filed 2020·Granted Nov 29, 2022·2 cites·27 claims
- 3185US11243016B2Refrigeration system with combined superheat and subcooling controlHILL PHOENIX INC·Filed 2018·Granted Feb 8, 2022·3 cites·20 claims
- 3285US10527331B2Compact individual multistage universal hybrid oil separatorHILL PHOENIX INC·Filed 2017·Granted Jan 7, 2020·4 cites·18 claims
- 3385US10502461B2CO2 refrigeration system with direct CO2 heat exchange for building temperature controlHILL PHOENIX INC·Filed 2016·Granted Dec 10, 2019·6 cites·19 claims
- 3485US8011192B2Method for defrosting an evaporator in a refrigeration circuitHILL PHOENIX INC·Filed 2005·Granted Sep 6, 2011·11 cites·12 claims
- 3584US12209779B2Refrigeration system with efficient expansion device control, liquid refrigerant return, oil return, and evaporator defrostHILL PHOENIX INC·Filed 2024·Granted Jan 28, 2025·0 cites·20 claims
- 3684US11353246B2CO2 refrigeration system with automated control optimizationHILL PHOENIX INC·Filed 2019·Granted Jun 7, 2022·2 cites·20 claims
- 3783US12055327B2Refrigeration system with combined superheat and subcooling controlHILL PHOENIX INC·Filed 2023·Granted Aug 6, 2024·0 cites·23 claims
- 3883US10151518B2Refrigeration system with brushless DC motor compressor driveHILL PHOENIX INC·Filed 2016·Granted Dec 11, 2018·2 cites·18 claims
- 3983US7681409B2Curtain air admission assemblyHILL PHOENIX INC·Filed 2005·Granted Mar 23, 2010·19 cites·27 claims
- 4083US2024310099A1Refrigeration Systems with a First Compressor System and a Second Compressor SystemHILL PHOENIX INC·Filed 2024·Application pending·0 cites
- 4183US2025341352A1Oil management in refrigeration systemsHILL PHOENIX INC·Filed 2025·Application pending·0 cites
- 4282US11980300B2Display case with insulated foam panelingHILL PHOENIX INC·Filed 2021·Granted May 14, 2024·3 cites·25 claims
- 4382US11874033B2Increasing a flow rate of oil into a compressor of a refrigeration assemblyHILL PHOENIX INC·Filed 2021·Granted Jan 16, 2024·1 cites·20 claims
- 4482US11125483B2Refrigeration system with condenser temperature differential setpoint controlHILL PHOENIX INC·Filed 2016·Granted Sep 21, 2021·2 cites·19 claims
- 4581US2025325120A1Configuration for a Heat Exchanger in a Temperature Controlled CaseHILL PHOENIX INC·Filed 2025·Application pending·0 cites
- 4680US11906209B2Thermoelectric cooling systemHILL PHOENIX INC·Filed 2020·Granted Feb 20, 2024·1 cites·24 claims
- 4780US9664420B2System and method for using a photovoltaic power source with a secondary coolant refrigeration systemHILL PHOENIX INC·Filed 2013·Granted May 30, 2017·3 cites·11 claims
- 4880US8875462B2Structural insulated panel systemHILL PHOENIX INC·Filed 2013·Granted Nov 4, 2014·6 cites·20 claims
- 4978US11326821B2CO2 refrigeration system with high pressure valve control based on coefficient of performanceHILL PHOENIX INC·Filed 2019·Granted May 10, 2022·1 cites·21 claims
- 5078US6411916B1Food safety control method and apparatusHILL PHOENIX INC·Filed 1999·Granted Jun 25, 2002·72 cites·20 claims
Showing the top 50 of 132 patent records by PatentIndex Score.
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