Patents
US 12364411 B2: Diagnosis of respiratory diseases using analysis of exhaled breath and aerosols
- Granted
- 2025-07-22
- Filed
- 2023-12-07 application 18532476
- Type
- Utility · 21 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Methods and devices for analyzing non-volatile organics in exhaled breath and other aerosols using various diagnostic tools that enable rapid, low-cost point of care assays for several diseases including respiratory tract diseases such as COVID-19. The disclosed methods and systems selectively capture non-volatile organics in exhaled breath and other aerosols in a packed bed column. The non-volatile organics are eluted and samples are analysis using diagnostic devices including MALDI-TOFMS. The disclosed systems and methods provide for a diagnostic test result in less than about 20 minutes and provides for autonomous operation with minimal human intervention.
Source: PVGPATDIS, file of 2026-04-10 (ipg250722.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Zeteo Tech, Inc. 21 patents | US company or organization | Sykesville, MD | Zeteo Tech, Inc. Form D issuer EXACT high confidence: identical full name and state ZETEO TECH, INC. DBA SPECTARA (FKA ZETEO TECH, INC.) Federal lobbying client FUZZY medium confidence: same name (legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Dapeng Chen | Sykesville, MD | 60 | PVGPATDIS, file of 2026-04-10 | |
| Wayne A. Bryden | Sykesville, MD | 17 | PVGPATDIS, file of 2026-04-10 | |
| Michael McLoughlin | Sykesville, MD | 17 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61B | Diagnosis; surgery; identification | A61B5/082 | PVGPATDIS, file of 2026-04-10 |
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N33/497 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-04-08 | Security interest Security interest Security interest | ZETEO TECH, INC. signed 2026-04-07 | SILICON VALLEY BANK, A DIVISION OF FIRST-CITIZENS BANK & TRUST COMPANY PASADENA, CA | 76302/225 | PASDL, file of 2026-10-10 |
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.