Inventor
CHEN HUAJUN
CN12 patents
⚠️ This page may combine multiple inventors who share the name “CHEN HUAJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERVICES INC
3 patentsUS9828979B2Nov 28, 2017
Accumulator over hydraulic pump double-acting cylinder for artificial lift operations
HALLIBURTON ENERGY SERVICES INC0 citations48
US9631463B2Apr 25, 2017
Accumulator counterbalanced three chamber cylinder for artificial lift operations
HALLIBURTON ENERGY SERVICES INC1 citations48
US9631464B2Apr 25, 2017
Pneumatic-on-top counterbalanced three-chamber cylinder for artificial lift operations
HALLIBURTON ENERGY SERVICES INC0 citations48
UNIV ZHEJIANG
3 patentsUS12229515B2Feb 18, 2025
Adaptive knowledge graph representation learning method for integrating graph structure with text information
UNIV ZHEJIANG0 citations46
US12518208B2Jan 6, 2026
Knowledge graph pre-training method based on structural context information
UNIV ZHEJIANG0 citations44
US12222970B2Feb 11, 2025
Generative event extraction method based on ontology guidance
UNIV ZHEJIANG0 citations39