Patents
US 12748042 B2: Optical systems and methods for grading plasma during whole blood separation
- Granted
- 2026-09-29
- Filed
- 2023-07-20 application 18356121
- Type
- Utility · 18 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An optical plasma grading system includes a broadband light source configured to emit light having wavelengths in a visible spectrum, an optical spectrometer configured to receive a reflected portion of the emitted light and analyze at least a portion of the received, reflected light to determine a main wavelength of the portion of the received reflected light, and a controller operably connected to the optical spectrometer, the controller configured to determine a plasma grade of the plasma based at least upon the main wavelength of the plasma.
Source: PTBLXML, file of 2026-09-29 (ipgb20260929.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Fenwal, Inc. 423 patents | US company or organization | Lake Zurich, IL | PTBLXML, file of 2026-09-29 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Benjamin E. Kusters | Pleasant Prairie, WI | 65 | PTBLXML, file of 2026-09-29 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N21/31 | PTBLXML, file of 2026-09-29 |
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.