Spiral magnetorheological polishing method for mid-frequency error control
US-2025387873-A1 · Dec 25, 2025 · US
conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B24B13/012 |
| Official title | {conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane} |
| Display label | conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025387873-A1 · Dec 25, 2025 · US
US-2025074021-A1 · Mar 6, 2025 · US
US-12168278-B2 · Dec 17, 2024 · US
US-2024342850-A1 · Oct 17, 2024 · US
US-11969848-B2 · Apr 30, 2024 · US
US-11890712-B2 · Feb 6, 2024 · US
US-11839944-B2 · Dec 12, 2023 · US
US-2023029755-A1 · Feb 2, 2023 · US
US-2022241925-A1 · Aug 4, 2022 · US
US-2022212314-A1 · Jul 7, 2022 · US
US-11318578-B2 · May 3, 2022 · US
US-10967475-B2 · Apr 6, 2021 · US
US-2021016410-A1 · Jan 21, 2021 · US
US-2020180100-A1 · Jun 11, 2020 · US
US-10569387-B2 · Feb 25, 2020 · US
US-2019344396-A1 · Nov 14, 2019 · US
US-10434618-B2 · Oct 8, 2019 · US
US-2019152013-A1 · May 23, 2019 · US
US-2019126425-A1 · May 2, 2019 · US
US-2019084114-A1 · Mar 21, 2019 · US