Metamaterial and metadamper
US-2024136100-A1 · Apr 25, 2024 · US
This page is not indexed by search engines while we improve data quality.
Bistable or bidirectional current devices (relays H01H47/226)
Bistable or bidirectional current devices (relays H01H47/226) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F7/1872 |
| Official title | {Bistable or bidirectional current devices (relays H01H47/226)} |
| Display label | Bistable or bidirectional current devices (relays H01H47/226) |
| Total patents | 22 |
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 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bistable solenoid valve device, and method for monitoring it
US-11255455-B2 · Feb 22, 2022 · US
Bi-stable hydraulic control valve system
US-10974709-B2 · Apr 13, 2021 · US
Electromagnetic positioning system and operating method
US-10910137-B2 · Feb 2, 2021 · US
Bistable solenoid valve device, and method for monitoring it
US-2020400244-A9 · Dec 24, 2020 · US
Bi-stable hydraulic control valve system
US-2020298814-A1 · Sep 24, 2020 · US
Bistable solenoid valve device, and method for monitoring it
US-2020041023-A1 · Feb 6, 2020 · US
Electromagnetic positioning system and operating method
US-2020032681-A1 · Jan 30, 2020 · US
Pulse solenoid control circuit
US-10217587-B2 · Feb 26, 2019 · US
Dynamically suspended headliner
US-10210980-B2 · Feb 19, 2019 · US
Bistable linear electromagnet
US-10176915-B2 · Jan 8, 2019 · US
Dynamically suspended headliner
US-2018211752-A1 · Jul 26, 2018 · US
Actuator with residual magnetic hysteresis reset
US-9932947-B2 · Apr 3, 2018 · US
Pulse solenoid control circuit
US-2018012718-A1 · Jan 11, 2018 · US
Bistable linear electromagnet
US-2018005744-A1 · Jan 4, 2018 · US
Pulse solenoid control circuit
US-9786458-B2 · Oct 10, 2017 · US
Springless electromagnet actuator having a mode selectable magnetic armature
US-9449747-B2 · Sep 20, 2016 · US
Springless electromagnet actuator having a mode selectable magnetic armature
US-2016049231-A1 · Feb 18, 2016 · US
Springless electromagnet actuator having a mode selectable magnetic armature
US-9183976-B2 · Nov 10, 2015 · US
Actuator with Residual Magnetic Hysteresis Reset
US-2015267660-A1 · Sep 24, 2015 · US