Patents
US 11566999 B2: Spectral analysis of gasses emitted during roasting food
- Granted
- 2023-01-31
- Filed
- 2019-04-24 application 16392851
- Type
- Utility · 12 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method for evaluating and controlling roasting and degree (level) of roast in food items including but not limited to: coffee, cocoa, beans, nuts, grains and seeds, involves collecting spectra of the gases (including water vapor) emitted during roasting in the mid-infrared region using either mid-infrared source or visible light to include Raman scattering. The changes in the spectra, due to absorption by molecular vibrations in the gases emitted during roasting are evaluated in real time during roasting. These data may be processed in frequency or time domain. The spectra and change in spectra are correlated with a roasting profile to mark the inception of roasting, progress of roasting and maturity/achievement of degree of a roast. The information can be transmitted to the roaster or controller to monitor the roasting progress and can be used to adjust parameters as desired during roasting.
Source: PVGPATDIS, file of 2026-04-10 (ipg230131.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Union College 3 patents | US company or organization | Schenectady, NY | Union College College or university EXACT high confidence: identical full name and state TRUSTEES OF UNION COLLEGE Nonprofit FUZZY medium confidence: same name (governing-board words and legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Samuel Amanuel | Schenectady, NY | 1 | PVGPATDIS, file of 2026-04-10 | |
| Palmyra Catravas | Rockville, MD | 2 | PVGPATDIS, file of 2026-04-10 | |
| Joanne D Kehlbeck | Ballston Lake, NY | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N21/3504 | PVGPATDIS, file of 2026-04-10 |
| A23F | Coffee; tea; their substitutes; manufacture, preparation, or infusion thereof | A23F5/04 | 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 |
|---|---|---|---|---|---|
| 2022-11-14 | Assignment Assignment of assignor's interest | KEHLBECK, JOANNE D. signed 2019-07-11 CATRAVAS, PALMYRA signed 2019-09-20 AMANUEL, SAMUEL signed 2022-11-10 | UNION COLLEGE SCHENECTADY, NY | 61752/90 | ECORSEXC, file of 2026-09-25 |
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.