Calgary
Canada
8
2022-06-16
The entities that hold a legal rights for patent applications filed by inventor Zhu Da:
Da Zhu from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Nozzle for water choking
#2 | 2022-01-27NOZZLE FOR GAS CHOKING
#3 | 2021-08-19Flow control nozzle and system
#4 | 2021-08-12Nozzle for steam injection and steam choking
#5 | 2021-07-29Production nozzle for solvent-assisted recovery
#6 | 2021-06-10FLOW CONTROL DEVICE FOR PRODUCTION TUBING
#7 | 2021-04-22Nozzle for steam injection
#8 | 2020-08-13Flow control nozzle and apparatus comprising a flow control nozzle
2820164 ⎘