High-voltage relay with improved mechanical shock tolerance for a drive or charging circuit of an electric vehicle with a rocker as armature
US-12462996-B2 · Nov 4, 2025 · US
Parts movable due to bending of a blade spring or reed
Parts movable due to bending of a blade spring or reed · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H50/28 |
| Official title | Parts movable due to bending of a blade spring or reed |
| Display label | Parts movable due to bending of a blade spring or reed |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Relay Armature Assembly, Relay Module and Relay
US-2025323002-A1 · Oct 16, 2025 · US
Relay system
US-12362117-B2 · Jul 15, 2025 · US
Dc relay for anti-short circuit current and arc extinction
US-2025149281-A1 · May 8, 2025 · US
Dc relay for anti-short circuit current and arc extinction
US-2025149280-A1 · May 8, 2025 · US
Short circuit current-resistant and arc-extinguishing DC relay
US-12243700-B2 · Mar 4, 2025 · US
Electromagnetic relay
US-2025046553-A1 · Feb 6, 2025 · US
Short circuit current-resistant and arc-extinguishing dc relay
US-2024177956-A1 · May 30, 2024 · US
Electromagnetic relay
US-11978603-B2 · May 7, 2024 · US
Relay system
US-2024105407-A1 · Mar 28, 2024 · US
Electromagnetic relay
US-11908650-B2 · Feb 20, 2024 · US
Relay
US-2023420205-A1 · Dec 28, 2023 · US
High-voltage Relay with Improved Mechanical Shock Tolerance for a Drive or Charging Circuit of an Electric Vehicle with a Rocker as Armature
US-2023148105-A1 · May 11, 2023 · US
Relay having base with multiple regions in which a winding frame, movable terminal, and fixed terminal are arranged
US-2023068018-A1 · Mar 2, 2023 · US
Electromagnetic relay
US-2023008722-A1 · Jan 12, 2023 · US
Electromagnetic relay
US-2023005688-A1 · Jan 5, 2023 · US
Relay with a yoke having protrusion for caulking and bulge portion adjacent to protrusion
US-11521816-B2 · Dec 6, 2022 · US
Electromagnetic relay
US-11222761-B2 · Jan 11, 2022 · US
Electromagnetic relay
US-11062868-B2 · Jul 13, 2021 · US
Relay
US-2021193418-A1 · Jun 24, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H50/28?
- CPC H01H50/28 is the Cooperative Patent Classification code for “Parts movable due to bending of a blade spring or reed.”
- How many patents are filed under CPC H01H50/28 (Parts movable due to bending of a blade spring or reed)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC H01H50/28 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).