Keyu Chen

City:

ChongQing

Country:

China

Published Applications:

Last publication date:

2026-02-26

Top Assignees for applications by Keyu Chen

The entities that hold a legal rights for patent applications filed by inventor Chen Keyu:

Keyu Chen from ChongQing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

POWER HEAD OF DIRECTIONAL DRILL

ROTATION ANGLE CONTROL AND BRAKING DEVICE FOR POWER HEAD OF DIRECTIONAL DRILL

COAL MINE INTELLIGENT DIRECTIONAL DRILL AND DRILLING METHOD THEREFOR

COAL MINE AUTOMATIC DIRECTIONAL DRILL

COMBINED DRILLING SYSTEM WITH DOUBLE ROTARY DRIVING DEVICES AND CONTROL METHOD THEREFOR

InventorID:

7587703 ⎘