F21S 43/601
Signalling devices specially adapted for vehicle exteriors: characterised by variable optical properties
Official title: {characterised by variable optical properties, e.g. involving the use of LCD or movable parts}
F21S43/601 (Signalling devices specially adapted for vehicle exteriors: characterised by variable optical properties) appears on 145 US grants and 184 published applications in this corpus.
Search patents in F21S- Granted patents
- 145
- Published applications
- 184
- Assignees
- 84
- Inventors
- 367
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 1 | 22 |
| 2018 | 11 | 0 |
| 2019 | 10 | 13 |
| 2020 | 9 | 5 |
| 2021 | 17 | 40 |
| 2022 | 29 | 24 |
| 2023 | 17 | 14 |
| 2024 | 17 | 24 |
| 2025 | 16 | 24 |
| 2026 | 18 | 18 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Apparatus for lamp of vehicle22 Sep 2026US 12,741,587 B2Hyundai Mobis Co., Ltd.
- Light assembly, lighting device and vehicle8 Oct 2026US 2026/0309296 A1Motherson Innovations Company Limited
- Arrangement of optical components for a lighting device for a motor vehicle and a lighting device for the tail section of a motor vehicle1 Oct 2026US 2026/0298435 A1Hella GmbH & Co. KGaA
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- Vehicle light system with worklight feature and method of use thereof30 Jul 2026US 2026/0218876 A1Yourtruckshop Inc.
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Most cited
By later US patents
- Vehicle rear lighting assembly15US 9,896,023 B1Ford Global Technologies, LLC · 2018
- Lighting systems10US 10,222,529 B1Apple Inc. · 2019
- Vehicular components having chromium-based reflective coating at least partially permeable to light10US 10,443,808 B1Motherson Innovations Company Limited · 2019
- Vehicle exterior system with light module8US 11,325,536 B2Magna Mirrors of America, Inc. · 2022
- Light apparatus with film layer to blend with surrounding body member6US 10,309,610 B2Ford Global Technologies, LLC · 2019