Vacuum pump, and magnetic bearing device and annular electromagnet used in vacuum pump
US-11204038-B2 · Dec 21, 2021 · US
using magnetic or electric supporting means
using magnetic or electric supporting means · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16C32/04 |
| Official title | using magnetic or electric supporting means |
| Display label | using magnetic or electric supporting means |
| Total patents | 91 |
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 | 11 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device and vacuum chamber
US-2021372469-A1 · Dec 2, 2021 · US
Magnetic bearing device and fluid machine system using same
US-11162503-B2 · Nov 2, 2021 · US
Electromagnetic unit, magnetic bearing device, and vacuum pump
US-11028853-B2 · Jun 8, 2021 · US
Rolling bearing and method for manufacturing rolling bearing
US-2021115968-A1 · Apr 22, 2021 · US
Turbo compressor
US-2021115929-A1 · Apr 22, 2021 · US
Electric motor, control device, and motor control system
US-10958133-B2 · Mar 23, 2021 · US
Magnetic bearing device and fluid mechanical system
US-10895282-B2 · Jan 19, 2021 · US
Electric motor and turbo-compressor
US-2020350804-A1 · Nov 5, 2020 · US
Flywheel systems and flywheel bearing modules
US-2020321843-A1 · Oct 8, 2020 · US
Protective structure for magnetic bearing and magnetic bearing assembly
US-10746223-B2 · Aug 18, 2020 · US
Vacuum pump, and magnetic bearing device and annular electromagnet used in vacuum pump
US-2020166041-A1 · May 28, 2020 · US
Magnetic bearing fault-tolerant drive system
US-10578156-B2 · Mar 3, 2020 · US
Assembly in a microlithographic projection exposure apparatus
US-10571816-B2 · Feb 25, 2020 · US
Assembly in a microlithographic projection exposure apparatus
US-2019361362-A1 · Nov 28, 2019 · US
Active magnetic bearing and method for cooling the active magnetic bearing
US-2019277337-A1 · Sep 12, 2019 · US
Magnetic bearing and method for mounting a ferromagnetic structure around a core of a magnetic bearing
US-10408263-B2 · Sep 10, 2019 · US
Magnetic bearing and rotary machine comprising such a bearing
US-10378582-B2 · Aug 13, 2019 · US
Protective Structure for Magnetic Bearing and Magnetic Bearing Assembly
US-2019234460-A1 · Aug 1, 2019 · US
Tunable shock sensor with parallel dipole line trap system
US-10352797-B2 · Jul 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16C32/04?
- CPC F16C32/04 is the Cooperative Patent Classification code for “using magnetic or electric supporting means.”
- How many patents are filed under CPC F16C32/04 (using magnetic or electric supporting means)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC F16C32/04 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).