Beijing
China
5
2023-07-27
The entities that hold a legal rights for patent applications filed by inventor LIN Xiaofeng:
Xiaofeng LIN from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for treating printed circuit board (PCB) wastewater
#2 | 2023-07-27System and method for treating reverse-osmosis concentrated water with high temporary hardness
#3 | 2023-07-20Total nitrogen removal device for sewage and method for operating the same
#4 | 2022-12-08Drinking water purification system with a backwashable filter cartridge and a nanofiltration system
#5 | 2022-07-07Dosing control method and system for micro-flocculation in ultrafiltration
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