Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
LZ

Lizheng Zhang

HS Halliburton Energy Services: 3 patents #77 of 590Top 15%
📍 Humble, TX: #2 of 31 inventorsTop 7%
🗺 Texas: #1,094 of 13,174 inventorsTop 9%
Overall (2025): #54,445 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12331640 Steering valve for deactivating a steering pad of a rotary steerable system Paravastu Badrinarayanan 2025-06-17
12326083 Secondary steering pad retention mechanism 2025-06-10
12247485 Rotary steerable system with multiple rows of actuators Paravastu Badrinarayanan 2025-03-11