Container-swappable vehicle and control method thereof
US-12497112-B2 · Dec 16, 2025 · US
Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K49/104 |
| Official title | {Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element} |
| Display label | Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 5 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary Atomizer Comprising a Rotary Bowl and Magnetic Coupling Means, and Method of Assembling and/or Disassembling Such an Atomizer
US-2025058337-A1 · Feb 20, 2025 · US
Magnetic gear systems, methods, and apparatuses
US-2024297563-A1 · Sep 5, 2024 · US
Air gap magnetic coupling with counterbalanced force
US-12015320-B2 · Jun 18, 2024 · US
Container-swappable vehicle and control method thereof
US-2023415828-A1 · Dec 28, 2023 · US
Air gap magnetic coupling with counterbalanced force
US-2021348607-A1 · Nov 11, 2021 · US
Eddy current decelerating apparatus
US-11165326-B2 · Nov 2, 2021 · US
Current-shaping circuit for use with magnetic couplers downhole
US-11081989-B2 · Aug 3, 2021 · US
Torque transfer across an air gap
US-11056962-B2 · Jul 6, 2021 · US
Eddy current decelerating apparatus
US-2021036595-A1 · Feb 4, 2021 · US
Torque transfer using electro-permanent magnets
US-10784762-B1 · Sep 22, 2020 · US
Magnetic type rotation transmitting mechanism
US-10753450-B2 · Aug 25, 2020 · US
Magnetic coupling
US-10704553-B2 · Jul 7, 2020 · US
Torque Transfer Across An Air Gap
US-2019238043-A1 · Aug 1, 2019 · US
Magnetic type rotation transmitting mechanism
US-2019234504-A1 · Aug 1, 2019 · US
Multi-shaft gas turbine engine
US-2019136768-A1 · May 9, 2019 · US
Dosing apparatus for powder products
US-2019077531-A1 · Mar 14, 2019 · US
Magnetic disc coupler
US-10213756-B2 · Feb 26, 2019 · US
A Current-Shaping Circuit For Use With Magnetic Couplers Downhole
US-2018241331-A1 · Aug 23, 2018 · US
System for actuating a clutch
US-2018215259-A1 · Aug 2, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K49/104?
- CPC H02K49/104 is the Cooperative Patent Classification code for “Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element.”
- How many patents are filed under CPC H02K49/104 (Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC H02K49/104 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).