Inner surface finishing tool
US-10857650-B2 · Dec 8, 2020 · US
Headstocks; Working-spindles; Features relating thereto
Headstocks; Working-spindles; Features relating thereto · 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 | B24B41/04 |
| Official title | Headstocks; Working-spindles; Features relating thereto |
| Display label | Headstocks; Working-spindles; Features relating thereto |
| Total patents | 261 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 19 |
| 2020 | 20 |
| 2021 | 25 |
| 2022 | 45 |
| 2023 | 43 |
| 2024 | 35 |
| 2025 | 30 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Deburring equipment for blank pile
US-2020306918-A1 · Oct 1, 2020 · US
Lapping device
US-10610996-B2 · Apr 7, 2020 · US
Fault detectable sheet body fixed distance conveying and punching assembly
US-2019389022-A1 · Dec 26, 2019 · US
Gearhead and handheld power tool
US-2019389020-A1 · Dec 26, 2019 · US
Grinding robot and method for grinding electrically conductive workpieces
US-2019344400-A1 · Nov 14, 2019 · US
Controller
US-10466682-B2 · Nov 5, 2019 · US
Core drill bit and methods of forming the same
US-2019329449-A1 · Oct 31, 2019 · US
Multi-station wheel deburring device
US-2019321931-A1 · Oct 24, 2019 · US
Coupling mechanism, substrate polishing apparatus, method of determining position of rotational center of coupling mechanism, program of determining position of rotational center of coupling mechanism, method of determining maximum pressing load of rotating body, and program of determining maximum pressing load of rotating body
US-10442054-B2 · Oct 15, 2019 · US
Annular grindstone
US-2019299366-A1 · Oct 3, 2019 · US
Belt sander ergonomic articulating arm belt with button release, lock, and sealed housing
US-10427270-B2 · Oct 1, 2019 · US
Hand-held and hand-guided power tool having a working element releasably attached thereto, and for such a power tool
US-2019291233-A1 · Sep 26, 2019 · US
Wheel burr removing device
US-2019291235-A1 · Sep 26, 2019 · US
Annular grindstone and manufacturing method of annular grindstone
US-2019240812-A1 · Aug 8, 2019 · US
Spindle device for a program-controlled machine tool
US-10369673-B2 · Aug 6, 2019 · US
Grinder, cover, and lock nut
US-10357868-B2 · Jul 23, 2019 · US
Machine for machining workpieces with optical quality
US-2019184515-A1 · Jun 20, 2019 · US
Cutting blade mounting mechanism
US-2019084124-A1 · Mar 21, 2019 · US
Device for removing burrs from bolt holes of aluminum alloy wheel
US-2019076980-A1 · Mar 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B24B41/04?
- CPC B24B41/04 is the Cooperative Patent Classification code for “Headstocks; Working-spindles; Features relating thereto.”
- How many patents are filed under CPC B24B41/04 (Headstocks; Working-spindles; Features relating thereto)?
- Our database includes 261 publications tagged with this CPC code.
- Is patent activity under CPC B24B41/04 growing?
- Publication counts under this code: 35 in 2024 vs 30 in 2025 (latest complete years).