Roller casting method and system for producing a spiral structure
US-2021354193-A1 · Nov 18, 2021 · US
Cleaning, working on castings
Cleaning, working on castings · 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 | B22D31/002 |
| Official title | {Cleaning, working on castings} |
| Display label | Cleaning, working on castings |
| Total patents | 109 |
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 | 6 |
| 2019 | 12 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Trimming die for casting of front steering knuckle in double-wishbone suspension
US-11123786-B2 · Sep 21, 2021 · US
Apparatus and method for producing a strip using a rapid solidification technology, and a metallic strip
US-2021252591-A1 · Aug 19, 2021 · US
Repair of core positioning features in cast components
US-2021245237-A1 · Aug 12, 2021 · US
Cleaning of foundry molds
US-2021114090-A1 · Apr 22, 2021 · US
Large-grain tin sputtering target
US-2021050194-A1 · Feb 18, 2021 · US
Manufacturing airfoil with rounded trailing edge
US-2021004636-A1 · Jan 7, 2021 · US
Trimming die for casting of front steering knuckle in double-wishbone suspension
US-2020406332-A1 · Dec 31, 2020 · US
Sub-frame cleaning and blow-drying device
US-2020384511-A1 · Dec 10, 2020 · US
Manufacturing thin-walled castings utilizing adaptive machining
US-2020347729-A1 · Nov 5, 2020 · US
Automated gate cutting system
US-2020306824-A1 · Oct 1, 2020 · US
Double-station cleaning system
US-2020298305-A1 · Sep 24, 2020 · US
Laser removal of casting scale
US-10759004-B2 · Sep 1, 2020 · US
Automated gate cutting system
US-10722941-B2 · Jul 28, 2020 · US
Multi-arm hanging rail type casting cleaning robot
US-10722942-B2 · Jul 28, 2020 · US
Method for manufacturing a water cooling system in a casted cylinder head and water cooling system in a casted cylinder head
US-10711731-B2 · Jul 14, 2020 · US
Omnidirectional multi-finger asynchronous gripper for casting robot
US-10668628-B2 · Jun 2, 2020 · US
Molten metal jetting for additive manufacturing
US-10589352-B2 · Mar 17, 2020 · US
Laser removal of casting scale
US-2019381607-A1 · Dec 19, 2019 · US
Precast hole scab removing device
US-10507522-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D31/002?
- CPC B22D31/002 is the Cooperative Patent Classification code for “Cleaning, working on castings.”
- How many patents are filed under CPC B22D31/002 (Cleaning, working on castings)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC B22D31/002 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).