Inventor
ZHA SHITONG
US67 patents
⚠️ This page may combine multiple inventors who share the name “ZHA SHITONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEATCRAFT REFRIGERATION PRODUCTS LLC
43 patentsUS11988423B2May 21, 2024
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations73
US11933527B2Mar 19, 2024
Cooling system with oil return to accumulator
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations73
US11473814B2Oct 18, 2022
Integrated cooling system with flooded air conditioning heat exchanger
HEATCRAFT REFRIGERATION PRODUCTS LLC4 citations73
US11209199B2Dec 28, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC4 citations73
US11085681B2Aug 10, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations73
US10808975B2Oct 20, 2020
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations73
US10782055B2Sep 22, 2020
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC5 citations73
US10352604B2Jul 16, 2019
System for controlling a refrigeration system with a parallel compressor
HEATCRAFT REFRIGERATION PRODUCTS LLC5 citations73
US10496108B2Dec 3, 2019
Cooling system flood prevention tool
HEATCRAFT REFRIGERATION PRODUCTS LLC6 citations72
US11656009B2May 23, 2023
Cooling system with oil return to accumulator
HEATCRAFT REFRIGERATION PRODUCTS LLC1 citations71
US11384969B2Jul 12, 2022
Cooling system with oil return to oil reservoir
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations71
US11371756B2Jun 28, 2022
Cooling system with oil return to accumulator
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations71
US10365023B2Jul 30, 2019
Refrigeration system with integrated air conditioning by parallel solenoid valves and check valve
HEATCRAFT REFRIGERATION PRODUCTS LLC4 citations71
US10962266B2Mar 30, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations70
US10895411B2Jan 19, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC2 citations70
US11187445B2Nov 30, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC4 citations67
US12352476B2Jul 8, 2025
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US12264858B2Apr 1, 2025
Cooling system with oil return to accumulator
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US12203687B2Jan 21, 2025
Cooling system with flooded low side heat exchangers
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11879675B2Jan 23, 2024
Cooling system with flooded low side heat exchangers
HEATCRAFT REFRIGERATION PRODUCTS LLC1 citations62
US11808500B2Nov 7, 2023
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11802718B2Oct 31, 2023
Thermal storage of carbon dioxide system for power outage
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11754322B2Sep 12, 2023
Thermal storage of carbon dioxide system for power outage
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11656012B2May 23, 2023
Cooling system with vertical alignment
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11656004B2May 23, 2023
Cooling system with flexible evaporating temperature
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11604022B2Mar 14, 2023
Cooling system with compressor bypass
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11530853B2Dec 20, 2022
Cooling system with work recovery
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11428443B2Aug 30, 2022
Thermal storage of carbon dioxide system for power outage
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11353244B2Jun 7, 2022
Cooling system with flexible evaporating temperature
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11268746B2Mar 8, 2022
Cooling system with partly flooded low side heat exchanger
HEATCRAFT REFRIGERATION PRODUCTS LLC1 citations62
US11187437B2Nov 30, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11149997B2Oct 19, 2021
Cooling system with vertical alignment
HEATCRAFT REFRIGERATION PRODUCTS LLC1 citations62
US11150001B2Oct 19, 2021
Cooling system with compressor bypass
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US11118817B2Sep 14, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations62
US12158292B2Dec 3, 2024
Cooling system with oil return to accumulator
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations61
US12078391B2Sep 3, 2024
Cooling system with oil return to oil reservoir
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations61
US11835272B2Dec 5, 2023
Cooling system with oil return to accumulator
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations61
US11692747B2Jul 4, 2023
Cooling system with oil return to oil reservoir
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations61
US11009266B2May 18, 2021
Integrated refrigeration and air conditioning system
HEATCRAFT REFRIGERATION PRODUCTS LLC1 citations61
US11604009B2Mar 14, 2023
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations59
US11035599B2Jun 15, 2021
Cooling system
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations59
US11619430B2Apr 4, 2023
Cooling system with vertical alignment
HEATCRAFT REFRIGERATION PRODUCTS LLC0 citations58
US11287168B2Mar 29, 2022
Cooling system with vertical alignment
HEATCRAFT REFRIGERATION PRODUCTS LLC1 citations58
HILL PHOENIX INC
4 patentsUS9657977B2May 23, 2017
Cascade refrigeration system with modular ammonia chiller units
HILL PHOENIX INC20 citations90
US9470435B2Oct 18, 2016
Modular CO2 refrigeration system
HILL PHOENIX INC18 citations90
US9664424B2May 30, 2017
Cascade refrigeration system with modular ammonia chiller units
HILL PHOENIX INC12 citations82
US9709302B2Jul 18, 2017
Refrigeration system with absorption cooling
HILL PHOENIX INC11 citations77
HINDE DAVID K
2 patentsLENNOX IND INC
1 patentShowing the top 50 of 67 patents by PatentIndex Score.