Inventor
HONG LINFENG
CN7 patents
Patents
7 patentsUS10815730B2Oct 27, 2020
Anti-rotating device of non-rotating sleeve and a rotary guiding device
INST GEOLOGY & GEOPHYSICS CAS17 citations84
US10837235B2Nov 17, 2020
Hybrid rotary guiding device
INST GEOLOGY & GEOPHYSICS CAS1 citations61
US11843204B2Dec 12, 2023
Signal processing circuit, contactless connector, signal processing method and storage medium
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US11601164B2Mar 7, 2023
Contactless connector, signal processing method and storage medium
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US11396777B1Jul 26, 2022
Rotary steering drilling apparatus
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US11021911B2Jun 1, 2021
Rotary guiding device based on radial driving force
INST GEOLOGY & GEOPHYSICS CAS0 citations50
US10851647B2Dec 1, 2020
Downhole vibration and impact data recording method
INST GEOLOGY & GEOPHYSICS CAS0 citations40