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US-2026023744-A1 · Jan 22, 2026 · US
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Cheng Samuel patents
Cheng Samuel is listed as an inventor on 33 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cheng Samuel |
| Total patents | 33 |
| First publication | Feb 7, 2019 |
| Latest publication | Jan 22, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Reinforced compression plate split for slip hanger
US-12385347-B2 · Aug 12, 2025 · US
Managing differential privacy on database system using policies
US-2025245372-A1 · Jul 31, 2025 · US
Database system using differential privacy domain
US-2025245373-A1 · Jul 31, 2025 · US
Compliant compression plate for a slip hanger or packoff
US-12258827-B2 · Mar 25, 2025 · US
Casing slip hanger retrieval tool system and method
US-12221848-B2 · Feb 11, 2025 · US
Lockdown ring using a self-locking wedge
US-12188322-B2 · Jan 7, 2025 · US
Combination set slip hanger or packoff
US-2024426185-A1 · Dec 26, 2024 · US
System and method for hanger and packoff lock ring actuation
US-12163397-B2 · Dec 10, 2024 · US
Compliant compression plate for a slip hanger or packoff
US-2024309716-A1 · Sep 19, 2024 · US
Recent patents
Latest publications not already listed above.
Printed annular metal-to-metal seal
US-2024247560-A1 · Jul 25, 2024 · US
Casing slip hanger retrieval tool system and method
US-2024200420-A1 · Jun 20, 2024 · US
System and method for hanger with debris pocket
US-12012820-B2 · Jun 18, 2024 · US
Methods and apparatus for assessing sensor assemblies for autonomous vehicles
US-2024114125-A1 · Apr 4, 2024 · US
Casing slip hanger retrieval tool system and method
US-11939832-B2 · Mar 26, 2024 · US
System and method for hanger and packoff lock ring actuation
US-2024093563-A1 · Mar 21, 2024 · US
Bi-directional wellhead annulus packoff with integral seal and hanger lockdown ring
US-2024084662-A1 · Mar 14, 2024 · US
Metal-to-metal annulus packoff retrieval tool system and method
US-11920416-B2 · Mar 5, 2024 · US
Reinforced compression plate split for slip hanger
US-2024003213-A1 · Jan 4, 2024 · US
Bi-directional wellhead annulus packoff with integral seal and hanger lockdown ring
US-11851972-B2 · Dec 26, 2023 · US
System and method for hanger and packoff lock ring actuation
US-11851971-B2 · Dec 26, 2023 · US
Sequential retrieval mechanism for bi-directional wellhead annulus packoff
US-2023295997-A1 · Sep 21, 2023 · US
Printed annular metal-to-metal seal
US-2023243227-A1 · Aug 3, 2023 · US
System and method for hanger with debris pocket
US-2023228165-A1 · Jul 20, 2023 · US
Sequential retrieval mechanism for bi-directional wellhead annulus packoff
US-11649689-B1 · May 16, 2023 · US
Bi-directional wellhead annulus packoff with integral seal and hanger lockdown ring
US-2023146842-A1 · May 11, 2023 · US
Sequential retrieval mechanism for bi-directional wellhead annulus packoff
US-2023147369-A1 · May 11, 2023 · US
System and method for hanger and packoff lock ring actuation
US-2023132558-A1 · May 4, 2023 · US
Lockdown ring using a self-locking wedge
US-2023039692-A1 · Feb 9, 2023 · US
Casing slip hanger retrieval tool system and method
US-2022195826-A1 · Jun 23, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Baker Hughes Oilfield Operations Llc | 27 |
| Snowflake Inc | 3 |
| Ge Oil & Gas Pressure Control Lp | 2 |
| Nuro Inc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B33/04 | 15 |
| E21B33/0422 | 12 |
| E21B2200/01 | 10 |
| E21B33/1212 | 7 |
| E21B23/03 | 5 |