Patents
US 12454070 B2: Hair removal device
- Granted
- 2025-10-28
- Filed
- 2022-07-28 application 17875477
- Type
- Utility · 6 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to a hair removal device, such as an electric shaver or epilator, comprising a hair cutting unit, a motor for driving the hair cutting unit, a measurement unit for measuring motor current and/or induced voltage and a cutting activity determinator for determining cutting activity from the half cycles of the signal of said measurement unit, wherein a wear determination unit is provided for determining wear of the hair cutting unit from the cutting activity signal of said cutting activity determinator.
Source: PVGPATDIS, file of 2026-04-10 (ipg251028.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| The Braun Corporation 659 patents | US company or organization | Kronberg, DE | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Christian Neyer | Eschborn, DE | 24 | PVGPATDIS, file of 2026-04-10 | |
| Martin Fuellgrabe | Bad Camberg, DE | 22 | PVGPATDIS, file of 2026-04-10 | |
| Johannes Julian Weinkauff | Frankfurt am Main, DE | 4 | PVGPATDIS, file of 2026-04-10 | |
| Marvin Thorsten Knorr | Hochheim, DE | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B26B | Hand-held cutting tools not otherwise provided for | B26B19/388 | PVGPATDIS, file of 2026-04-10 |
| A45D | Hairdressing or shaving equipment ; equipment for cosmetics or cosmetic treatments, e.g. for manicuring or pedicuring | A45D26/0042 | PVGPATDIS, file of 2026-04-10 |
| G01R | Measuring electric variables; measuring magnetic variables | G01R25/00 | 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 |
|---|---|---|---|---|---|
| 2022-08-31 | Assignment Assignment of assignor's interest | WEINKAUFF, JOHANNES signed 2021-08-19 FUELLGRABE, MARTIN signed 2021-08-22 KNORR, MARVIN THORSTEN signed 2021-08-24 NEYER, CHRISTIAN signed 2021-09-01 | BRAUN GMBH KRONBERG | 60955/462 | 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.