SZ

Shitong Zha

HP Heatcraft Refrigeration Products: 57 patents #1 of 93Top 2%
HP Hill Phoenix: 5 patents #16 of 94Top 20%
LI Lennox Industries: 1 patents #230 of 340Top 70%
📍 Snellville, GA: #1 of 248 inventorsTop 1%
🗺 Georgia: #175 of 35,610 inventorsTop 1%
Overall (All Time): #34,146 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 1–25 of 64 patents

Patent #TitleCo-InventorsDate
12372283 Hot gas defrost using medium temperature discharge gas 2025-07-29
12352476 Cooling system Xi Sun 2025-07-08
12264858 Cooling system with oil return to accumulator 2025-04-01
12203693 Hot gas defrost using fluid from high pressure tank 2025-01-21
12203687 Cooling system with flooded low side heat exchangers Douglas Cole 2025-01-21
12158292 Cooling system with oil return to accumulator Augusto Zimmermann 2024-12-03
12078391 Cooling system with oil return to oil reservoir Augusto Zimmermann 2024-09-03
12007159 Hot gas defrost using low temperature compressor discharge gas and auxiliary flash tank 2024-06-11
11988423 Cooling system Xi Sun 2024-05-21
11933527 Cooling system with oil return to accumulator 2024-03-19
11879675 Cooling system with flooded low side heat exchangers Douglas Cole 2024-01-23
11835272 Cooling system with oil return to accumulator Augusto Zimmermann 2023-12-05
11808500 Cooling system 2023-11-07
11802718 Thermal storage of carbon dioxide system for power outage Fardis Najafifard, Xi Sun 2023-10-31
11754322 Thermal storage of carbon dioxide system for power outage Fardis Najafifard, Xi Sun 2023-09-12
11692747 Cooling system with oil return to oil reservoir Augusto Zimmermann 2023-07-04
11656012 Cooling system with vertical alignment 2023-05-23
11656009 Cooling system with oil return to accumulator Augusto Zimmermann 2023-05-23
11656004 Cooling system with flexible evaporating temperature 2023-05-23
11635233 Cooling system Mike Hollister 2023-04-25
11619430 Cooling system with vertical alignment Nicole Z. Martin 2023-04-04
11604022 Cooling system with compressor bypass 2023-03-14
11604009 Cooling system Michael Hollister 2023-03-14
11530853 Cooling system with work recovery Xi Sun 2022-12-20
11473814 Integrated cooling system with flooded air conditioning heat exchanger 2022-10-18