Patents
US 11504684 B2: Hotplate stirrer
- Granted
- 2022-11-22
- Filed
- 2019-09-30 application 16587672
- Type
- Utility · 10 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A hotplate device has a body with a platform for receiving a vessel that contains a sample to be heated. A heating element, arranged under the platform, provides heat to the platform, based on a set temperature and a measured temperature as sensed by at least one temperature sensor, proximate to the platform. A controller located in the body directs electrical power to the heating element. As a safety feature, a wireless communication feature allows a user to enter set temperature instructions from a mobile device when communication with the mobile device is enabled and established. A proximity feature, when enabled, allows the user to enter instructions only as long as the user remains in a predetermined proximity of the hotplate device.
Source: PVGPATDIS, file of 2026-04-10 (ipg221122.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| OHAUS Corporation 11 patents | US company or organization | Parsippany, NJ | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael D. Manera | Clayton, NJ | 3 | PVGPATDIS, file of 2026-04-10 | |
| Stephen J. Krupsky | Haddon Heights, NJ | 1 | PVGPATDIS, file of 2026-04-10 | |
| Tracey A. Hill | Deptford, NJ | 2 | PVGPATDIS, file of 2026-04-10 | |
| Stephen E. Reagoso | Browns Mills, NJ | 1 | PVGPATDIS, file of 2026-04-10 | |
| Teri G. Trefz | Lumberton, NJ | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B01F | Mixing, e.g. dissolving, emulsifying or dispersing | B01F35/60 | PVGPATDIS, file of 2026-04-10 |
| B01L | Chemical or physical laboratory apparatus for general use | B01L7/00 | PVGPATDIS, file of 2026-04-10 |
| G05D | Systems for controlling or regulating non-electric variables | G05D23/1905 | PVGPATDIS, file of 2026-04-10 |
| H05B | Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general | H05B1/0247 | PVGPATDIS, file of 2026-04-10 |
| F24C | Domestic stoves or ranges ; details of domestic stoves or ranges, of general application | F24C7/083 | 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 |
|---|---|---|---|---|---|
| 2019-09-30 | Assignment Assignment of assignor's interest | HILL, TRACEY A. signed 2019-09-25 KRUPSKY, STEPHEN J. signed 2019-09-25 MANERA, MICHAEL D. signed 2019-09-25 TREFZ, TERI G. signed 2019-09-25 REAGOSO, STEPHEN E. signed 2019-09-26 | OHAUS CORPORATION PARSIPPANY, NJ | 50566/119 | 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.