Patents
US 12270712 B2: Temperature indicator with electrochemical switch
- Granted
- 2025-04-08
- Filed
- 2020-05-11 application 17610949
- Type
- Utility · 25 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A temperature-activatable temperature indicator that includes a substrate and an indicator material supported by the substrate. The indicator material includes a mixture of a side-chain crystalline polymer and conductive particles and provides an electrical indication of exposure to increased temperature.
Source: PVGPATDIS, file of 2026-04-10 (ipg250408.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 | |
| Ravi Bhatia | Cedar Knolls, NJ | 11 | PVGPATDIS, file of 2026-04-10 | |
| Mohannad Abdo | Clifton, NJ | 51 | PVGPATDIS, file of 2026-04-10 | |
| Thaddeus Prusik | Stroudsburg, PA | 33 | 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 | G01K11/06 | PVGPATDIS, file of 2026-04-10 |
| G06K | Graphical data reading ; presentation of data; record carriers; handling record carriers | G06K19/0716 | 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 |
| 2022-03-14 | Assignment Assignment of assignor's interest | HUFFMAN, BRIAN signed 2019-06-05 DO, THI N. signed 2019-06-05 BHATIA, RAVI signed 2019-06-05 ABDO, MOHANNAD signed 2019-06-05 PRUSIK, THADDEUS signed 2019-06-05 | TEMPTIME CORPORATION MORRIS PLAINS, NJ | 59252/242 | 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.