Patents
US 12760627 B2: Discrete cone for expandable liner hanger in casings with restrictions
- Granted
- 2026-10-13
- Filed
- 2024-10-21 application 18922034
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An apparatus for expanding an expandable liner hanger. The apparatus comprises a variable cone comprising one or more wedge segments and one or more circular segments, wherein the one or more wedge segments and the one or more circular segments are configured to radially expand or contract when axially translated along a tapered mandrel.
Source: PTBLXML, file of 2026-10-13 (ipgb20261013.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Halliburton Energy Services, Inc. 9,888 patents | US company or organization | Houston, TX | HALLIBURTON ENERGY SERVICES Federal lobbying client FUZZY medium confidence: same name (legal endings aside) and state | PTBLXML, file of 2026-10-13 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Xiaoguang Allan Zhong | Singapore, SG | 46 | PTBLXML, file of 2026-10-13 | |
| Yian Zhao | Singapore, SG | 7 | PTBLXML, file of 2026-10-13 | |
| Vern Szen Tan | Singapore, SG | PTBLXML, file of 2026-10-13 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E21B | Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells | E21B43/105 | PTBLXML, file of 2026-10-13 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.