Cutoff control device
US-2025357746-A1 · Nov 20, 2025 · US
using at least one homopolar quantity
using at least one homopolar quantity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02H3/385 |
| Official title | {using at least one homopolar quantity} |
| Display label | using at least one homopolar quantity |
| Total patents | 29 |
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 | 1 |
| 2016 | 3 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 6 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for the detection of an arc fault in an electrical circuitry, and motor vehicle
US-12062900-B2 · Aug 13, 2024 · US
Method and circuit for detecting an arc fault
US-11916373-B2 · Feb 27, 2024 · US
Ground fault protection in a high resistance grounding system
US-11362507-B2 · Jun 14, 2022 · US
Electrical system including a power distribution circuit
US-11322930-B1 · May 3, 2022 · US
Method for the detection of an arc fault in an electrical circuitry, and motor vehicle
US-2022131359-A1 · Apr 28, 2022 · US
Electrical system including a power distribution circuit
US-2022123547-A1 · Apr 21, 2022 · US
Ground fault protection in a high resistance grounding system
US-2022045500-A1 · Feb 10, 2022 · US
Method and circuit for detecting an arc fault
US-2022029411-A1 · Jan 27, 2022 · US
Erratic short-circuit detection
US-11176806-B1 · Nov 16, 2021 · US
Method and circuit for detecting an arc fault
US-11146058-B2 · Oct 12, 2021 · US
Method for operating an electric gardening and/or forestry apparatus system, protective electronic circuit, protective electronic circuit system, accumulator system and electric gardening and/or forestry apparatus system
US-11128123-B2 · Sep 21, 2021 · US
Method and control system for fault direction detection
US-11050239-B2 · Jun 29, 2021 · US
Method and control system for faulted phase detection
US-11022655-B2 · Jun 1, 2021 · US
Active limiting circuit for intrinsically safe equipment
US-10797482-B2 · Oct 6, 2020 · US
Directional detection of earth faults in an electrical distribution network
US-10545184-B2 · Jan 28, 2020 · US
Method and circuit for detecting an arc fault
US-2020021107-A1 · Jan 16, 2020 · US
Arc detecting apparatus and control method thereof, non-transitory computer readable recording medium, and dc power system
US-2019288500-A1 · Sep 19, 2019 · US
Method and control system for fault direction detection
US-2019271730-A1 · Sep 5, 2019 · US
Slip ring unit for a rotor of an electrically excited rotary dynamo-electric machine
US-10389074-B2 · Aug 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02H3/385?
- CPC H02H3/385 is the Cooperative Patent Classification code for “using at least one homopolar quantity.”
- How many patents are filed under CPC H02H3/385 (using at least one homopolar quantity)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC H02H3/385 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).