Wireless power transfer system
US-2024253504-A1 · Aug 1, 2024 · US
with position-responsive activation of primary coils
with position-responsive activation of primary coils · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60L53/39 |
| Official title | with position-responsive activation of primary coils |
| Display label | with position-responsive activation of primary coils |
| Total patents | 454 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 35 |
| 2016 | 42 |
| 2017 | 48 |
| 2018 | 45 |
| 2019 | 56 |
| 2020 | 34 |
| 2021 | 43 |
| 2022 | 30 |
| 2023 | 34 |
| 2024 | 42 |
| 2025 | 34 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems, methods and apparatuses for guidance and alignment in electric vehicles wireless inductive charging systems
US-2016380488-A1 · Dec 29, 2016 · US
Contactless charging system, charging station, and method of controlling contactless charging system
US-9522605-B2 · Dec 20, 2016 · US
Vehicle wireless charging structure
US-2016355093-A1 · Dec 8, 2016 · US
Alignment method for a vehicle wireless charging structure
US-2016355097-A1 · Dec 8, 2016 · US
Wireless Charging for Vehicle Batteries
US-2016318413-A1 · Nov 3, 2016 · US
Non-contact charging system and pairing method for non-contact charging system
US-2016297314-A1 · Oct 13, 2016 · US
Control Method and Device for Wireless Power Transfer System of Motor Device
US-2016241084-A1 · Aug 18, 2016 · US
Method, device and system for determining a position of a vehicle
US-2016229304-A1 · Aug 11, 2016 · US
Automotive inductive charger with insertable magnetic core
US-9409489-B2 · Aug 9, 2016 · US
Power Feeding Device and Non-Contact Power Transmission Device
US-2016204621-A1 · Jul 14, 2016 · US
Systems, methods and apparatus for reducing intra-base array network coupling
US-2016190814-A1 · Jun 30, 2016 · US
Protective shield for an electric vehicle inductive charging pad
US-2016176299-A1 · Jun 23, 2016 · US
Method and system for aligning a vehicle with a wireless charging assembly
US-2016159234-A1 · Jun 9, 2016 · US
Apparatus and method for shielding leakage magnetic field in wireless power transmission system
US-9355773-B2 · May 31, 2016 · US
Charging device and charging method with float-mounted charging unit
US-9333866-B2 · May 10, 2016 · US
System and method for reactive power control in dynamic inductive power transfer systems
US-2016072299-A1 · Mar 10, 2016 · US
Methods and apparatus for tuning and controlling double couple inductive power transfer systems
US-2016068070-A1 · Mar 10, 2016 · US
Secondary charging pad alignment method, wireless charging control apparatus, and method of operating charger
US-2016059723-A1 · Mar 3, 2016 · US
Wireless charging system and method for controlling the same
US-2016064988-A1 · Mar 3, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60L53/39?
- CPC B60L53/39 is the Cooperative Patent Classification code for “with position-responsive activation of primary coils.”
- How many patents are filed under CPC B60L53/39 (with position-responsive activation of primary coils)?
- Our database includes 454 publications tagged with this CPC code.
- Is patent activity under CPC B60L53/39 growing?
- Publication counts under this code: 42 in 2024 vs 34 in 2025 (latest complete years).