Inventor

LIN TIEJUN

CN3 patents

⚠️ This page may combine multiple inventors who share the name “LIN TIEJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV SOUTHWEST PETROLEUM

2 patents

US9850716B2Dec 26, 2017

Remote-controlled adjustable-speed screw drill for gas-drive hydraulic-motive during gas drilling

UNIV SOUTHWEST PETROLEUM6 citations68

US12196042B1Jan 14, 2025

Wear-resistant and collision-resistant polycrystalline diamond compact (PDC) drill bit with rostriform teeth and plurality of blades

UNIV SOUTHWEST PETROLEUM0 citations38

SHANGHAI ADVANCED RES INST CAS

1 patent

US11154844B2Oct 26, 2021

Cobalt carbide-based catalyst for direct preparation of olefin from synthesis gas, preparation method therefor and application thereof

SHANGHAI ADVANCED RES INST CAS0 citations49