Sichuan
China
12
2023-06-08
The entities that hold a legal rights for patent applications filed by inventor Chen Ling:
Ling Chen from Sichuan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Internal blowout-prevention gas-retaining connector for mine
#2 | 2022-07-07Coring device
#3 | 2022-07-07Core barrel sealing structure capable of increasing sealing-specific pressure
#4 | 2022-07-07Drilling control mechanism of core drilling rig
#5 | 2022-07-07Control mechanism of core drilling rig
#6 | 2022-07-07Coring drill tool driving structure
#7 | 2022-07-07Driving system for core drilling rig
#8 | 2022-07-07Drilling mechanism of coring drilling rig
#9 | 2022-07-07Drilling fluid channel structure of core drilling rig
#10 | 2022-03-10Polypeptide, polypeptide fragment, derivative thereof, and applications thereof
#11 | 2020-07-23External cooling MQL manipulators and machine tools and lubrication method using machine tools
#12 | 2020-04-23Adjustable ultrasonic micro-jet nozzle array with minimal quantity lubrication
5997292 ⎘