Lanhui Mao

City:

Chengdu

Country:

China

Published Applications:

Last publication date:

2025-04-10

Top Assignees for applications by Lanhui Mao

The entities that hold a legal rights for patent applications filed by inventor Mao Lanhui:

Lanhui Mao from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Directional Well Hydraulic Clutch Drill String Full Rotation Controller

High-frequency composite impactor

Fracking tool with electromagnetic intelligent control sliding sleeve

Downhole signal receiving and transmitting device

InventorID:

6573534 ⎘