Wearable electronic device comprising plurality of hinge structures
US-2025237889-A1 · Jul 24, 2025 · US
Leaf spring
Leaf spring · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02C2200/22 |
| Official title | Leaf spring |
| Display label | Leaf spring |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hyperextendable friction hinge
US-2025224624-A1 · Jul 10, 2025 · US
Augmented-reality headset with an electronics-holding frame plate and a frame backplate
US-2025164821-A1 · May 22, 2025 · US
Electronic device
US-2025067998-A1 · Feb 27, 2025 · US
Hinge assembly for eyewear
US-12228801-B1 · Feb 18, 2025 · US
Frame and eyewear
US-12210222-B2 · Jan 28, 2025 · US
Multiple degree of freedom hinge systems and eyewear devices comprising such hinge systems
US-2025013074-A1 · Jan 9, 2025 · US
Multiple degree of freedom hinge systems and eyewear devices comprising such hinge systems
US-12130500-B2 · Oct 29, 2024 · US
Method and apparatus for removable magnetic nose bridge
US-2023350224-A1 · Nov 2, 2023 · US
Multiple degree of freedom hinge systems and eyewear devices comprising such hinge systems
US-2023333406-A1 · Oct 19, 2023 · US
Multiple degree of freedom hinge systems and eyewear devices comprising such hinge systems
US-11726347-B2 · Aug 15, 2023 · US
Frame and eyewear
US-2022357598-A1 · Nov 10, 2022 · US
Head-mounted display apparatus
US-11340464-B2 · May 24, 2022 · US
Multiple degree of freedom hinge systems and eyewear devices comprising such hinge systems
US-2021255479-A1 · Aug 19, 2021 · US
Pad assembly for caliper body
US-10731719-B2 · Aug 4, 2020 · US
Hinge for eyeglasses
US-10724590-B2 · Jul 28, 2020 · US
Electronic eyewear therapy
US-10624790-B2 · Apr 21, 2020 · US
Head-mounted display apparatus
US-2020103661-A1 · Apr 2, 2020 · US
3D printed eyewear frame with integrated hinge and methods of manufacture
US-10394050-B2 · Aug 27, 2019 · US
Hinge for eyeglasses
US-2019011726-A1 · Jan 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02C2200/22?
- CPC G02C2200/22 is the Cooperative Patent Classification code for “Leaf spring.”
- How many patents are filed under CPC G02C2200/22 (Leaf spring)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC G02C2200/22 growing?
- Publication counts under this code: 1 in 2024 vs 7 in 2025 (latest complete years).