logo

For the Inventor, By the Inventor

Qingdao, China

Yongwang Liu

USPTO Granted Patents = 9 



Average Co-Inventor Count = 3.3

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Shandong, CN (2020 - 2021)
  • Qingdao, CN (2017 - 2024)

Company Filing History:

goldMedal9 out of 25 
 
China University of Petroleum
 patents

Years Active: 2017-2024

Loading Chart...
Loading Chart...
Loading Chart...
9 patents (USPTO):Explore Patents
1. 11976554 - Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient drilling system and method thereof (2024-05-07),
2. 11591896 - Efficient and intelligent steering drilling system and drilling method (2023-02-28),
3. 11255127 - Drill bit with joint function of induced unloading and abrasive jet and drilling method thereof (2022-02-22),
4. 10927607 - Drilling speed increasing device driven by downhole motor for generating shock vibration (2021-02-23),
5. 10815743 - Depressuriz od for downhole annulus drilling fluid (2020-10-27),
6. 10801282 - Screw drill bypass valve with large displacement diversion function (2020-10-13),
7. 10718176 - Drilling speed improvement device capable of producing both hydraulic pulse and impact vibration (2020-07-21),
8. 10233695 - Weight-on-bit self-adjusting drill bit (2019-03-19),
9. 9540881 - Method and system for improving drilling speed by using drill speed vibration (2017-01-10),
This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…