Guangdong
China
5
2022-02-10
The entities that hold a legal rights for patent applications filed by inventor LI Guoping:
Guoping LI from Guangdong, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Water hardness detection probe, sensor, detection method and water softener
#2 | 2021-03-04Full-effective reverse osmosis membrane element and water purification machine
#3 | 2021-01-14Full-effect reverse osmosis membrane element, and water purifier having same
#4 | 2018-09-27Method of packaging CSP LED and CSP LED
#5 | 2007-06-14Method for realizing route forwarding in network
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