Flexible spindle polishing
US-2025153307-A1 · May 15, 2025 · US
for grinding the interior surfaces of hollow workpieces
for grinding the interior surfaces of hollow workpieces · 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 | B24B31/006 |
| Official title | {for grinding the interior surfaces of hollow workpieces} |
| Display label | for grinding the interior surfaces of hollow workpieces |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multi-fields assisted abrasive scouring polishing method and device
US-2025128379-A1 · Apr 24, 2025 · US
Chamber components with polished internal apertures
US-12162115-B2 · Dec 10, 2024 · US
Controllable magnetic field-assisted finishing apparatus for inner surface and method
US-12017319-B2 · Jun 25, 2024 · US
Abrasive flow machining method and article
US-11951586-B2 · Apr 9, 2024 · US
Abrasive flow machining process for a meridionally divided turbine housing, and a masking fixture used in said process
US-2023390896-A1 · Dec 7, 2023 · US
Chamber components with polished internal apertures
US-2023339065-A1 · Oct 26, 2023 · US
Chamber components with polished internal apertures
US-11724353-B2 · Aug 15, 2023 · US
Chamber components with polished internal apertures
US-2022297256-A1 · Sep 22, 2022 · US
Flow directors and shields for abrasive flow machining of internal passages
US-2022281050-A1 · Sep 8, 2022 · US
Controllable magnetic field-assisted finishing apparatus for inner surface and method
US-2022234158-A1 · Jul 28, 2022 · US
Chamber components with polished internal apertures
US-11370078-B2 · Jun 28, 2022 · US
Flow directors and shields for abrasive flow machining of internal passages
US-11364587-B2 · Jun 21, 2022 · US
Impeller manufacturing method and impeller flow path elongation jig
US-11333162-B2 · May 17, 2022 · US
Method for surface processing of a component by flow grinding
US-2022032425-A1 · Feb 3, 2022 · US
Method of processing a surface for additive manufacturing, component and apparatus
US-11104063-B2 · Aug 31, 2021 · US
Abrasive flow machining method and article
US-2020230779-A1 · Jul 23, 2020 · US
Methods, systems, and apparatuses for improving surface finish of additively manufactured parts
US-10710212-B2 · Jul 14, 2020 · US
Abrasive flow machining method
US-10646977-B2 · May 12, 2020 · US
Hybrid tool with both fixed-abrasive and loose-abrasive phases
US-10632585-B2 · Apr 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B24B31/006?
- CPC B24B31/006 is the Cooperative Patent Classification code for “for grinding the interior surfaces of hollow workpieces.”
- How many patents are filed under CPC B24B31/006 (for grinding the interior surfaces of hollow workpieces)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC B24B31/006 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).