6 Patents
- US122083452025Large-flux Ultra-fine Grid System with Non-rotating Screen Plates
North China Municipal Engineering Design & Research Institute Co., Ltd.
0 cites - USD10537072024Universal Joint Coupling0 cites
- USD10523932024Universal Joint Coupling0 cites
- US119325642024System and Method for Extracting Carbon Source from Sewage Sludge in Sewer Pipes Through Online Organic and Inorganic Component Separation
NORTH CHINA MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE CO., Ltd
0 cites - US117606592023System and Process for Separating Sand and Gravel in Sediments of Sewage Pipe Network and Recycling Organic Matters
North China Municipal Engineering Design & Research Institute Co., Ltd.
0 cites - US117390152023Low-carbon Nitrogen and Phosphorus Removal System and Process for Sewage Treatment
NORTH CHINA MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE CO., Ltd.
0 cites