Battery inverter system
US-2021408796-A1 · Dec 30, 2021 · US
Common neutral, e.g. AC input neutral line connected to AC output neutral line and DC middle point
Common neutral, e.g. AC input neutral line connected to AC output neutral line and DC middle point · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02J9/063 |
| Official title | {Common neutral, e.g. AC input neutral line connected to AC output neutral line and DC middle point} |
| Display label | Common neutral, e.g. AC input neutral line connected to AC output neutral line and DC middle point |
| Total patents | 97 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 13 |
| 2023 | 5 |
| 2024 | 9 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power converter with common DC power source and power supply apparatus having the same
US-11205956-B2 · Dec 21, 2021 · US
Uninterruptible power supply and method of operation
US-2021336551-A1 · Oct 28, 2021 · US
Method for operating power factor correction circuit and method for operating uninterruptible power supply apparatus
US-2021281164-A1 · Sep 9, 2021 · US
Power source selection
US-2021210976-A1 · Jul 8, 2021 · US
Uninterruptible power supply apparatus
US-2021175742-A1 · Jun 10, 2021 · US
System and method for controlling uninterruptible power supply of electrical power systems
US-10998760-B2 · May 4, 2021 · US
Uninterruptible power supply apparatus
US-2021036632-A1 · Feb 4, 2021 · US
Method and control system for zero-sequence current compensation for ground current reduction
US-10826381-B2 · Nov 3, 2020 · US
Technologies for interactive predictive control of uninterruptible power supply systems
US-2020321798-A1 · Oct 8, 2020 · US
Technologies for interactive predictive control of uninterruptible power supply systems
US-10797513-B1 · Oct 6, 2020 · US
3 phase UPS bus balancer
US-10784714-B2 · Sep 22, 2020 · US
Transformerless power conversion
US-10727673-B2 · Jul 28, 2020 · US
Power converter with common dc power source and power supply apparatus having the same
US-2020195138-A1 · Jun 18, 2020 · US
Uninterruptible power supply system
US-2020177021-A1 · Jun 4, 2020 · US
3 phase ups bus balancer
US-2020177020-A1 · Jun 4, 2020 · US
Uninterruptable power supply apparatus with shared electronic components
US-10615637-B2 · Apr 7, 2020 · US
System and Method for Controlling Uninterruptible Power Supply of Electrical Power Systems
US-2020106295-A1 · Apr 2, 2020 · US
UPS circuit
US-10536030-B2 · Jan 14, 2020 · US
Three arm rectifier and inverter circuit
US-10516342-B1 · Dec 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02J9/063?
- CPC H02J9/063 is the Cooperative Patent Classification code for “Common neutral, e.g. AC input neutral line connected to AC output neutral line and DC middle point.”
- How many patents are filed under CPC H02J9/063 (Common neutral, e.g. AC input neutral line connected to AC output neutral line and DC middle point)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC H02J9/063 growing?
- Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).