Assignment of Assignor's Interest

Recorded: 2022-09-09 Pages: 6

Assignors

ZHANG, LIZHENG

Executed: 2022-06-07

ZHANG, WEI

Executed: 2022-06-03

Assignee

3000 N. SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032-3219

Covered Properties (5)

Centralizer with Opposing Projections

Patent: 11,933,115 →

Application: 17/815,600 →

Publication: US 2023/0392452

Centralizer with Opposing Hollow Spring Structure

Patent: 11,988,050 →

Application: 17/815,631 →

Publication: US 2023/0392450

Centralizer with Elongated Rods

Patent: 11,873,687 →

Application: 17/815,636 →

Publication: US 2023/0392451

Eccentric Centralizer

Patent: 11,933,116 →

Application: 17/815,639 →

Publication: US 2024/0035343

Centralizer with Opposing Hollow Spring Structure

Patent: 11,873,688 →

Application: 17/815,643 →

Publication: US 2023/0392453