Inventor
DU ZHONGCHENG
CN15 patents
⚠️ This page may combine multiple inventors who share the name “DU ZHONGCHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GREE ELECTRIC APPLIANCES INC ZHUHAI
8 patentsUS11208990B2Dec 28, 2021
Pump body assembly, fluid machinery, and heat exchange device
GREE ELECTRIC APPLIANCES INC ZHUHAI2 citations71
US11971031B2Apr 30, 2024
Pump body assembly, heat exchange apparatus, fluid machine and operating method thereof
GREE ELECTRIC APPLIANCES INC ZHUHAI0 citations61
US11976643B2May 7, 2024
Piston limiting structure, compressor, and heat exchange apparatus
GREE ELECTRIC APPLIANCES INC ZHUHAI0 citations60
US12158139B2Dec 3, 2024
Pump body assembly and fluid machine
GREE ELECTRIC APPLIANCES INC ZHUHAI0 citations51
US12286972B2Apr 29, 2025
Pump body assembly, fluid machinery, and heat exchange device
GREE ELECTRIC APPLIANCES INC ZHUHAI0 citations50
US11639719B2May 2, 2023
Pump body assembly with a piston sleeve having protrusions for limiting radial movement between the piston sleeve and the structural members
GREE ELECTRIC APPLIANCES INC ZHUHAI0 citations50
US11788530B2Oct 17, 2023
Piston limiting structure, compressor, and heat exchange apparatus
GREE ELECTRIC APPLIANCES INC ZHUHAI0 citations48
US12392342B2Aug 19, 2025
Fluid machinery, heat exchange apparatus and operation method for fluid machinery
GREE ELECTRIC APPLIANCES INC ZHUHAI0 citations44
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI
7 patentsUS10941771B2Mar 9, 2021
Fluid machinery, heat exchange equipment, and operating method for fluid machinery
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI2 citations71
US10626858B2Apr 21, 2020
Fluid machinery, heat exchange equipment, and operating method for fluid machinery
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI3 citations70
US11067077B2Jul 20, 2021
Rotating cylinder enthalpy-adding piston compressor and air conditioning system having same
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI1 citations61
US10851781B2Dec 1, 2020
Compressor pump structure and compressor
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI1 citations59
US12135020B2Nov 5, 2024
Pump body, compressor, and heat exchange apparatus
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI0 citations51
US11566619B2Jan 31, 2023
Rotary cylinder piston compressor pump and compressor with rotary cylinder piston compressor pump
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI0 citations51
US10989194B2Apr 27, 2021
Compressor pump structure and compressor
GREE GREEN REFRIGERATION TECH CT CO LTD ZHUHAI0 citations50