United States
4
2022-03-10
The entities that hold a legal rights for patent applications filed by inventor Han Qingyou:
Qingyou Han from , US has applied for patents for these inventions. The list has both pending applications and granted patents:
PROCESS FOR MAKING A COMPOSITE LINER FOR COLD CHAMBER DIE CASTING APPLICATION
#2 | 2022-02-17ULTRASOUND ASSISTED SHOT CHAMBER FOR DIE CASTING APPLICATIONS
#3 | 2022-02-17ACOUSTIC ROTARY LIQUID PROCESSOR
#4 | 2022-02-17Controlled nozzle cooling (CNC) casting
5325318 ⎘