Chip resistor and method of producing the same
US-9530546-B2 · Dec 27, 2016 · US
Association of measuring or protective means
Association of measuring or protective means · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F27/402 |
| Official title | {Association of measuring or protective means} |
| Display label | Association of measuring or protective means |
| Total patents | 514 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 38 |
| 2017 | 39 |
| 2018 | 39 |
| 2019 | 57 |
| 2020 | 61 |
| 2021 | 49 |
| 2022 | 52 |
| 2023 | 59 |
| 2024 | 39 |
| 2025 | 42 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coil and manufacturing method for same, and reactor
US-9514878-B2 · Dec 6, 2016 · US
Esd protection device and common mode choke coil with built-in esd protection device
US-2016351327-A1 · Dec 1, 2016 · US
Variable differential transformer position sensor with a trapezoidal primary coil
US-2016334245-A1 · Nov 17, 2016 · US
Chip component and method of producing the same
US-9484135-B2 · Nov 1, 2016 · US
Reactor, converter, and power converter apparatus
US-9484139-B2 · Nov 1, 2016 · US
Sensor and method for foreign object detection in induction electric charger
US-2016282500-A1 · Sep 29, 2016 · US
Partial discharge detection device for transformer, and transformer including same
US-9455083-B2 · Sep 27, 2016 · US
Fault tolerant subsea transformer
US-2016247622-A1 · Aug 25, 2016 · US
Reactor
US-2016217921-A1 · Jul 28, 2016 · US
Transformer core flux control for power management
US-9389619-B2 · Jul 12, 2016 · US
Sensor assembly and method for sensing status condition of electrical equipment
US-9377451-B2 · Jun 28, 2016 · US
Disconnector for electric power equipment filled with dielectric liquid
US-9368310-B2 · Jun 14, 2016 · US
Burst protector for high-voltage device
US-2016148742-A1 · May 26, 2016 · US
Current transformer having an automatic short-circuit device
US-9349527-B2 · May 24, 2016 · US
Self-correcting current transformer system
US-2016124024-A1 · May 5, 2016 · US
Hardened Inductive Device And Systems And Methods For Protecting The Inductive Device From Catastrophic Events
US-2016118186-A1 · Apr 28, 2016 · US
Reactor, converter, and power converter apparatus
US-9318250-B2 · Apr 19, 2016 · US
Electronic component
US-2016099102-A1 · Apr 7, 2016 · US
Thermal well for transformer and methods
US-2016069750-A1 · Mar 10, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F27/402?
- CPC H01F27/402 is the Cooperative Patent Classification code for “Association of measuring or protective means.”
- How many patents are filed under CPC H01F27/402 (Association of measuring or protective means)?
- Our database includes 514 publications tagged with this CPC code.
- Is patent activity under CPC H01F27/402 growing?
- Publication counts under this code: 39 in 2024 vs 42 in 2025 (latest complete years).