Capacitance pre-charging
US-11190008-B1 · Nov 30, 2021 · US
to inrush currents (H02H1/046 takes precedence; differential protection of transformers H02H7/045)
to inrush currents (H02H1/046 takes precedence; differential protection of transformers H02H7/045) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H1/043 |
| Official title | {to inrush currents (H02H1/046 takes precedence; differential protection of transformers H02H7/045)} |
| Display label | to inrush currents (H02H1/046 takes precedence; differential protection of transformers H02H7/045) |
| Total patents | 106 |
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 | 8 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 16 |
| 2021 | 6 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for discerning arcing in electrical wiring
US-11183831-B2 · Nov 23, 2021 · US
Power supply apparatus
US-11165243-B2 · Nov 2, 2021 · US
Intelligent power strip with management of bistable relays to reduce current in-rush
US-10998717-B2 · May 4, 2021 · US
Apparatus and method for controlling circuit breaker for static synchronous compensator
US-10923914-B2 · Feb 16, 2021 · US
Dc link capacitor pre-charge method utilizing series boost converter
US-2021044211-A1 · Feb 11, 2021 · US
Power supply control apparatus
US-10879689-B2 · Dec 29, 2020 · US
Control circuit for protecting against spark discharge
US-10847966-B2 · Nov 24, 2020 · US
System for and method of controlling inrush current between a power source and a load
US-10847970-B2 · Nov 24, 2020 · US
Pre-charge current control device
US-2020358307-A1 · Nov 12, 2020 · US
Secured fault detection in a power substation
US-2020358283-A1 · Nov 12, 2020 · US
System for controlling inrush current between a power source and a load
US-10833502-B2 · Nov 10, 2020 · US
Power supply apparatus
US-2020343718-A1 · Oct 29, 2020 · US
Method for operating an electronic circuit breaker, and electronic circuit breaker
US-10777997-B2 · Sep 15, 2020 · US
Motor drive architecture for variable frequency alternating current loads
US-10770987-B2 · Sep 8, 2020 · US
Power supply control apparatus
US-10770884-B2 · Sep 8, 2020 · US
Secured fault detection in a power substation
US-10651645-B2 · May 12, 2020 · US
Control circuit for protecting against spark discharge
US-2020083698-A1 · Mar 12, 2020 · US
Intelligent power strip with management of bistable relays to reduce current in-rush
US-2020059088-A1 · Feb 20, 2020 · US
Device and method for premagnetization of a power transformer in a converter system
US-10554148-B2 · Feb 4, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H1/043?
- CPC H02H1/043 is the Cooperative Patent Classification code for “to inrush currents (H02H1/046 takes precedence; differential protection of transformers H02H7/045).”
- How many patents are filed under CPC H02H1/043 (to inrush currents (H02H1/046 takes precedence; differential protection of transformers H02H7/045))?
- Our database includes 106 publications tagged with this CPC code.
- Is patent activity under CPC H02H1/043 growing?
- Publication counts under this code: 11 in 2024 vs 14 in 2025 (latest complete years).