Patents
US 12644846 B2: Light-based inspection tools for the inspection of the internal surface of a cylindrical structure
- Granted
- 2026-06-02
- Filed
- 2023-08-27 application 18238502
- Type
- Utility · 18 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An inspection tool includes a projector projecting a projected pattern on a cylindrical surface, a first camera generating a first image of the projected pattern and a controller generating a surface profile of the cylindrical surface based on the first image.
Source: PTBLXML, file of 2026-06-02 (ipgb20260602.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Board of Trustees of Michigan State University 669 patents | US company or organization | East Lansing, MI | PTBLXML, file of 2026-06-02 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Yiming Deng | Okemos, MI | PTBLXML, file of 2026-06-02 | ||
| Mohand Alzuhiri | East Lansing, MI | PTBLXML, file of 2026-06-02 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N21/8806 | PTBLXML, file of 2026-06-02 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-02-13 | Assignment Assignment of assignor's interest | DENG, YIMING signed 2026-01-12 ALZUHIRI, MOHAND signed 2026-01-13 | BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY EAST LANSING, MI | 73777/690 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
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.