Detection device and timepiece
US-2023305499-A1 · Sep 28, 2023 · US
Watch crystals; Fastening or sealing of crystals; Clock glasses
Watch crystals; Fastening or sealing of crystals; Clock glasses · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04B39/00 |
| Official title | Watch crystals; Fastening or sealing of crystals; Clock glasses |
| Display label | Watch crystals; Fastening or sealing of crystals; Clock glasses |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 10 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 14 |
| 2024 | 7 |
| 2025 | 10 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Detection device and timepiece
US-2023305498-A1 · Sep 28, 2023 · US
Water-resistant watch case
US-11768469-B2 · Sep 26, 2023 · US
Method for decorating a substrate
US-2023126038-A1 · Apr 27, 2023 · US
Electronic device
US-2022326740-A1 · Oct 13, 2022 · US
Water-resistant watch case
US-11449010-B2 · Sep 20, 2022 · US
Musical watch case
US-11449009-B2 · Sep 20, 2022 · US
Musical watch case
US-11415945-B2 · Aug 16, 2022 · US
Electronic device
US-11397451-B2 · Jul 26, 2022 · US
Dewar device for mechanical and/or functional components of a watch
US-2022179367-A1 · Jun 9, 2022 · US
Dial made of non-conductive material with feet
US-11340556-B2 · May 24, 2022 · US
Method for labeling products with a transparent photoluminescent label, and transparent photoluminescent label
US-11298968-B2 · Apr 12, 2022 · US
Threaded timepiece member
US-2022066393-A1 · Mar 3, 2022 · US
Electronic timepiece
US-2022035318-A1 · Feb 3, 2022 · US
Method for manufacturing an ornamental hard material part provided with a polymer coating
US-2021389729-A1 · Dec 16, 2021 · US
Electronic timepiece
US-11199817-B2 · Dec 14, 2021 · US
Timepiece including a stop member rotatably mounted to a bezel
US-11036187-B2 · Jun 15, 2021 · US
Dial made of non-conductive material with feet
US-2021173343-A1 · Jun 10, 2021 · US
Decorative object, in particular watch glass, with an optical effect
US-10976707-B2 · Apr 13, 2021 · US
Luminous display device
US-10859978-B2 · Dec 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G04B39/00?
- CPC G04B39/00 is the Cooperative Patent Classification code for “Watch crystals; Fastening or sealing of crystals; Clock glasses.”
- How many patents are filed under CPC G04B39/00 (Watch crystals; Fastening or sealing of crystals; Clock glasses)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC G04B39/00 growing?
- Publication counts under this code: 7 in 2024 vs 10 in 2025 (latest complete years).