Patents
US 12140480 B2: Time-temperature exposure indicator with delayed threshold response
- Granted
- 2024-11-12
- Filed
- 2020-12-08 application 17115275
- Type
- Utility · 41 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Environmental indicators for monitoring a predetermined environmental exposure, for example, an historical heat exposure such as a cumulative ambient heat exposure and/or a peak ambient heat exposure, may include an environmental indicator material. The environmental indicator may be configured to attach to a host product for monitoring the predetermined environmental exposure of the host product.
Source: PVGPATDIS, file of 2026-04-10 (ipg241112.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| TEMPTIME CORPORATION 59 patents | US company or organization | Littleton, NJ | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Brian S. Huffman | Montgomery, NJ | 20 | PVGPATDIS, file of 2026-04-10 | |
| Thi N. Do | West Orange, NJ | 13 | PVGPATDIS, file of 2026-04-10 | |
| Janine Grazaitis Klages | Budd Lake, NJ | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01K | Measuring temperature; measuring quantity of heat; thermally-sensitive elements not otherwise provided for | G01K1/022 | 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 |
|---|---|---|---|---|---|
| 2025-05-29 | Merger Merger | TEMPTIME CORPORATION signed 2025-05-22 | ZEBRA TECHNOLOGIES CORPORATION LINCOLNSHIRE, IL | 71548/54 | PASDL, file of 2026-10-15 |
| 2021-04-12 | Security interest Security interest Security interest | TEMPTIME CORPORATION signed 2021-03-31 | JPMORGAN CHASE BANK, N.A. BROOKLYN, NY | 55895/376 | PASDL, file of 2026-10-15 |
| 2020-12-09 | Assignment Assignment of assignor's interest | DO, THI N. signed 2020-12-05 GRAZAITIS KLAGES, JANINE signed 2020-12-05 HUFFMAN, BRIAN S. signed 2020-12-05 | TEMPTIME CORPORATION MORRIS PLAINS, NJ | 54662/13 | 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.