Transformer design with balanced interwinding capacitance for improved emi performance
US-2022415829-A1 · Dec 29, 2022 · US
Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence)
Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F19/00 |
| Official title | Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence) |
| Display label | Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence) |
| Total patents | 106 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 9 |
| 2019 | 11 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 16 |
| 2023 | 5 |
| 2024 | 13 |
| 2025 | 15 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coil component
US-11538619-B2 · Dec 27, 2022 · US
Method and Apparatus to Enable Communication and Control in a Power System
US-2022393721-A1 · Dec 8, 2022 · US
Inductor device
US-11515072-B2 · Nov 29, 2022 · US
Inductor device
US-11469028-B2 · Oct 11, 2022 · US
Coupled inductor structures utilizing magnetic films
US-11430606-B2 · Aug 30, 2022 · US
Method and apparatus to enable communication and control in a power system
US-11398749-B2 · Jul 26, 2022 · US
Semiconductor device
US-11329572-B2 · May 10, 2022 · US
Apparatus for communicating across an isolation barrier
US-11206060-B2 · Dec 21, 2021 · US
Substantially Annular Magnetic Member With Magnetic Particles in Non-Magnetic Matrix For Component Carrier
US-2021241952-A1 · Aug 5, 2021 · US
Magnetic component
US-11056259-B2 · Jul 6, 2021 · US
Back-to-back isolation circuit
US-11044022-B2 · Jun 22, 2021 · US
Sonic logging broadband impedance matching transformer modular design method and module
US-2021184644-A1 · Jun 17, 2021 · US
Sonic logging broadband impedance matching transformer modular design method and module
US-11018648-B1 · May 25, 2021 · US
Modular medium voltage fast chargers
US-2021152080-A1 · May 20, 2021 · US
Semiconductor device
US-2021028716-A1 · Jan 28, 2021 · US
Coil component and method for fabricating the same
US-2021005376-A1 · Jan 7, 2021 · US
Method of fabrication of composite monolithic structures
US-2020373051-A1 · Nov 26, 2020 · US
Semiconductor device with upper and lower switching devices and isolation transformer
US-10833595-B2 · Nov 10, 2020 · US
Coil component and method for fabricating the same
US-10804025-B2 · Oct 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F19/00?
- CPC H01F19/00 is the Cooperative Patent Classification code for “Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence).”
- How many patents are filed under CPC H01F19/00 (Fixed transformers or mutual inductances of the signal type (H01F36/00 takes precedence))?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC H01F19/00 growing?
- Publication counts under this code: 13 in 2024 vs 15 in 2025 (latest complete years).