Piston ring and method for manufacturing a piston ring
US-2026049659-A1 · Feb 19, 2026 · US
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Smith Thomas J patents
Smith Thomas J is listed as an inventor on 16 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Smith Thomas J |
| Total patents | 16 |
| First publication | Jul 2, 2015 |
| Latest publication | Feb 19, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Group III-nitride high-electron mobility transistors with buried p-type layers and process for making the same
US-12477770-B2 · Nov 18, 2025 · US
Group iii-nitride high-electron mobility transistors with buried p-type layers and process for making the same
US-2024105829-A1 · Mar 28, 2024 · US
Piston ring and method for manufacturing a piston ring
US-2022333687-A1 · Oct 20, 2022 · US
Piston ring and method for manufacturing a piston ring
US-11162587-B2 · Nov 2, 2021 · US
Bi-metallic piston ring carrier
US-10927786-B1 · Feb 23, 2021 · US
Piston ring and method for manufacturing a piston ring
US-2019368607-A1 · Dec 5, 2019 · US
Inlaid ring with plated lateral side
US-10428945-B2 · Oct 1, 2019 · US
Piston ring and method for manufacturing a piston ring
US-2019264809-A1 · Aug 29, 2019 · US
Piston ring and method for manufacturing a piston ring
US-10323747-B2 · Jun 18, 2019 · US
Recent patents
Latest publications not already listed above.
Oil control ring assembly
US-10253882-B2 · Apr 9, 2019 · US
Piston ring and method for manufacturing a piston ring
US-2018283553-A1 · Oct 4, 2018 · US
Piston with coated pin bore
US-10077737-B2 · Sep 18, 2018 · US
Inlaid ring with plated lateral side
US-2017108122-A1 · Apr 20, 2017 · US
Piston with coated pin bore
US-2015211437-A1 · Jul 30, 2015 · US
Oil control ring assembly
US-2015184748-A1 · Jul 2, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Mahle Int Gmbh | 14 |
| Wolfspeed Inc | 2 |
| Mahel Int Gmbh | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B23P15/06 | 9 |
| F16J9/26 | 9 |
| C23C14/588 | 7 |
| C23C14/0641 | 7 |
| C23C14/028 | 7 |