Two-color molded article
US-2017361515-A1 · Dec 21, 2017 · US
Cover glass
Cover glass · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F21S41/28 |
| Official title | {Cover glass} |
| Display label | Cover glass |
| Total patents | 440 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 26 |
| 2017 | 36 |
| 2018 | 51 |
| 2019 | 71 |
| 2020 | 48 |
| 2021 | 35 |
| 2022 | 38 |
| 2023 | 37 |
| 2024 | 54 |
| 2025 | 22 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lighting device
US-2017350567-A1 · Dec 7, 2017 · US
Low-beam headlight element for a vehicle
US-9822942-B2 · Nov 21, 2017 · US
Head lamp device of straddle-type vehicle
US-2017327169-A1 · Nov 16, 2017 · US
Electronic control module for a vehicle lighting and/or signaling device and method of replacing a module of this kind
US-2017305334-A1 · Oct 26, 2017 · US
Half mirror, method for manufacturing the same and lighting unit using the same
US-2017176655-A1 · Jun 22, 2017 · US
Resin-molded component
US-2017157816-A1 · Jun 8, 2017 · US
Light device, especially a projector system of a headlight for motor vehicles
US-2017146210-A1 · May 25, 2017 · US
Joint between housing and headlamp outer lens with glue-retaining ribs
US-2017130922-A1 · May 11, 2017 · US
Vehicle lighting fixture
US-2017130921-A1 · May 11, 2017 · US
Head lamp with hidden position lamps for straddle-type vehicle
US-9605827-B2 · Mar 28, 2017 · US
Graphene-containing coating film, and method for preparing the same
US-2017059117-A1 · Mar 2, 2017 · US
Lighting system for motor vehicle headlight
US-2017030543-A1 · Feb 2, 2017 · US
Motor vehicle and motor vehicle headlamp with a front housing
US-2016377254-A1 · Dec 29, 2016 · US
Outer lens for lighting device and process for the manufacture thereof
US-2016363284-A1 · Dec 15, 2016 · US
Bi function LED head lamp using thin shield
US-9518713-B2 · Dec 13, 2016 · US
Heat sink for lighting module, and associated lighting module and lighting device
US-2016356448-A1 · Dec 8, 2016 · US
Electrically shielded lighting apparatus
US-2016348867-A1 · Dec 1, 2016 · US
Vehicle lamp
US-2016320012-A1 · Nov 3, 2016 · US
A low-beam headlight element for a vehicle
US-2016281948-A1 · Sep 29, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F21S41/28?
- CPC F21S41/28 is the Cooperative Patent Classification code for “Cover glass.”
- How many patents are filed under CPC F21S41/28 (Cover glass)?
- Our database includes 440 publications tagged with this CPC code.
- Is patent activity under CPC F21S41/28 growing?
- Publication counts under this code: 54 in 2024 vs 22 in 2025 (latest complete years).