Inventor
HAYES NIEL M
US8 patents
Patents
8 patentsUS11397032B2Jul 26, 2022
CO2 refrigeration system with magnetic refrigeration system cooling
HILL PHOENIX INC6 citations83
US11353246B2Jun 7, 2022
CO2 refrigeration system with automated control optimization
HILL PHOENIX INC2 citations69
US10663201B2May 26, 2020
CO2 refrigeration system with supercritical subcooling control
HILL PHOENIX INC6 citations69
US12379139B2Aug 5, 2025
CO2 refrigeration system with after-cooling
HILL PHOENIX INC0 citations60
US11940186B2Mar 26, 2024
CO2 refrigeration system with magnetic refrigeration system cooling
HILL PHOENIX INC1 citations60
US11674719B2Jun 13, 2023
CO2 refrigeration system with automated control optimization
HILL PHOENIX INC0 citations59
US11022356B2Jun 1, 2021
Refrigeration system and method for automated charging and start-up control
HILL PHOENIX INC1 citations56
US10260787B2Apr 16, 2019
Refrigeration system and method for automated charging and start-up control
HILL PHOENIX INC0 citations46