Electrical power strip
US-11929580-B2 · Mar 12, 2024 · US
limiting speed of change of electric quantities, e.g. soft switching on or off (progressive control of electronic switches for eliminating interferences H03K17/16)
limiting speed of change of electric quantities, e.g. soft switching on or off (progressive control of electronic switches for eliminating interferences H03K17/16) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H9/001 |
| Official title | {limiting speed of change of electric quantities, e.g. soft switching on or off (progressive control of electronic switches for eliminating interferences H03K17/16)} |
| Display label | limiting speed of change of electric quantities, e.g. soft switching on or off (progressive control of electronic switches for eliminating interferences H03K17/16) |
| Total patents | 534 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 39 |
| 2016 | 39 |
| 2017 | 46 |
| 2018 | 57 |
| 2019 | 59 |
| 2020 | 49 |
| 2021 | 50 |
| 2022 | 52 |
| 2023 | 32 |
| 2024 | 49 |
| 2025 | 48 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-phase electric drive and method therefor
US-2016359424-A1 · Dec 8, 2016 · US
Inrush current protection circuit
US-2016344179-A1 · Nov 24, 2016 · US
Power Supply Protection System and Method for POE
US-2016323115-A1 · Nov 3, 2016 · US
Protection circuit and related method
US-9478975-B2 · Oct 25, 2016 · US
Power switch device and system using same
US-2016301235-A1 · Oct 13, 2016 · US
Limiting inrush of current to a capacitor based on an interval
US-2016301227-A1 · Oct 13, 2016 · US
Electric system comprising a load driving apparatus by auto-recovery mode, and method of operating the apparatus
US-9436193-B2 · Sep 6, 2016 · US
Relay system
US-2016247650-A1 · Aug 25, 2016 · US
Power supply apparatus relating to DC-DC voltage conversion and having short protection function
US-9419433-B2 · Aug 16, 2016 · US
System for determining fixation of relay
US-2016223615-A1 · Aug 4, 2016 · US
Inrush current inhibiting circuit
US-2016226238-A1 · Aug 4, 2016 · US
Inrush Current Limiting Circuit
US-2016181794-A1 · Jun 23, 2016 · US
Inrush Current Limiter
US-2016172844-A1 · Jun 16, 2016 · US
Inrush current suppression circuit and method for controlling when a load may be fully energized
US-2016154414-A1 · Jun 2, 2016 · US
Air conditioner
US-2016131387-A1 · May 12, 2016 · US
Electronic device and power protection method
US-2016126721-A1 · May 5, 2016 · US
Method for charging a battery
US-9331504-B2 · May 3, 2016 · US
High Voltage Direct Current Soft-Start Circuit
US-2016118782-A1 · Apr 28, 2016 · US
Constant inrush current circuit for AC input power supply unit
US-9281758-B1 · Mar 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H9/001?
- CPC H02H9/001 is the Cooperative Patent Classification code for “limiting speed of change of electric quantities, e.g. soft switching on or off (progressive control of electronic switches for eliminating interferences H03K17/16).”
- How many patents are filed under CPC H02H9/001 (limiting speed of change of electric quantities, e.g. soft switching on or off (progressive control of electronic switches for eliminating interferences H03K17/16))?
- Our database includes 534 publications tagged with this CPC code.
- Is patent activity under CPC H02H9/001 growing?
- Publication counts under this code: 49 in 2024 vs 48 in 2025 (latest complete years).