Tool for catalyst coating apparatus, and catalyst coating apparatus
US-2025289029-A1 · Sep 18, 2025 · US
the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied
the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied · 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 | B05C7/04 |
| Official title | the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied |
| Display label | the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied |
| Total patents | 66 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing exhaust gas purification catalyst device
US-2024408589-A1 · Dec 12, 2024 · US
Exhaust gas-purifying catalyst-manufacturing apparatus
US-2024326082-A1 · Oct 3, 2024 · US
Coating of fluid-permeable materials
US-12065730-B2 · Aug 20, 2024 · US
Coating devices and method for articles
US-2024261815-A1 · Aug 8, 2024 · US
Method and apparatus for the preparation of a substrate for an exhaust gas aftertreatment device
US-2024165599-A1 · May 23, 2024 · US
Apparatus and method for coating substrates with washcoats
US-11911780-B2 · Feb 27, 2024 · US
Apparatus and method for coating substrates with washcoats
US-2024024898-A1 · Jan 25, 2024 · US
Method for coating porous catalyst support and device therefor
US-11813599-B2 · Nov 14, 2023 · US
Apparatus and method for coating substrates with washcoats
US-11759818-B2 · Sep 19, 2023 · US
Device for surface functionalization and detection
US-11752498-B2 · Sep 12, 2023 · US
Apparatus and method for coating substrates with washcoats
US-2023241596-A1 · Aug 3, 2023 · US
Method of coating a substrate with a washcoat
US-11654425-B2 · May 23, 2023 · US
Fluid feed ring and associated apparatus and method
US-2022388023-A1 · Dec 8, 2022 · US
Apparatus and method for coating substrates with washcoats
US-2022362797-A1 · Nov 17, 2022 · US
Apparatus and method for coating substrates with washcoats
US-2022339659-A1 · Oct 27, 2022 · US
Apparatus and method for coating substrates with washcoats
US-11440044-B2 · Sep 13, 2022 · US
Fluid feed ring and associated apparatus and method
US-11426754-B2 · Aug 30, 2022 · US
Apparatus and method for coating substrates with washcoats
US-11420224-B2 · Aug 23, 2022 · US
Apparatus and method for coating substrates with washcoats
US-2022193651-A1 · Jun 23, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B05C7/04?
- CPC B05C7/04 is the Cooperative Patent Classification code for “the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied.”
- How many patents are filed under CPC B05C7/04 (the liquid or other fluent material flowing or being moved through the work; the work being filled with liquid or other fluent material and emptied)?
- Our database includes 66 publications tagged with this CPC code.
- Is patent activity under CPC B05C7/04 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).