Coating system for tubular gripping components
US-10876196-B2 · Dec 29, 2020 · US
more than one element being applied in more than one step
more than one element being applied in more than one step · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C8/34 |
| Official title | more than one element being applied in more than one step |
| Display label | more than one element being applied in more than one step |
| Total patents | 115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 11 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 15 |
| 2020 | 12 |
| 2021 | 13 |
| 2022 | 14 |
| 2023 | 4 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for surface treatment of a steel component by nitriding or nitrocarburising, oxidising and then impregnating
US-10774414-B2 · Sep 15, 2020 · US
Carburized component and method for manufacturing same
US-10767252-B2 · Sep 8, 2020 · US
Process for producing a printing surface
US-10737522-B2 · Aug 11, 2020 · US
Method of manufacturing brake disc of heterogeneous materials and brake disc of heterogeneous materials manufactured using the same
US-2020173507-A1 · Jun 4, 2020 · US
Method of manufacturing brake disc of heterogeneous materials and brake disc of heterogeneous materials manufactured using the same
US-10598237-B2 · Mar 24, 2020 · US
Method for manufacturing ferritic stainless steel product
US-10508331-B2 · Dec 17, 2019 · US
Valve and method for producing a valve
US-2019360444-A1 · Nov 28, 2019 · US
Case hardened component of titanium
US-2019292646-A1 · Sep 26, 2019 · US
Valve and method for producing a valve
US-10415526-B2 · Sep 17, 2019 · US
Coating system for tubular gripping components
US-10370754-B2 · Aug 6, 2019 · US
Method for manufacturing ferritic stainless steel product
US-2019203331-A1 · Jul 4, 2019 · US
Nitriding process for carburizing ferrium steels
US-2019194793-A1 · Jun 27, 2019 · US
Compressor, oil-free screw compressor, and method of manufacturing casing used therefor
US-10316841-B2 · Jun 11, 2019 · US
Coating system for tubular gripping components
US-2019136362-A1 · May 9, 2019 · US
Process for carbonitriding metallic components
US-10280500-B2 · May 7, 2019 · US
Cylinder drum of a hydrostatic axial piston machine having a wear-resistant layer
US-10281042-B2 · May 7, 2019 · US
Compositions, devices, systems and methods for concentrating solar power
US-10266739-B2 · Apr 23, 2019 · US
Process for treating steel alloys for gears
US-10202666-B2 · Feb 12, 2019 · US
Ferritic nitrocarburized vehicle component and methods of making and using the same
US-2019017161-A1 · Jan 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C8/34?
- CPC C23C8/34 is the Cooperative Patent Classification code for “more than one element being applied in more than one step.”
- How many patents are filed under CPC C23C8/34 (more than one element being applied in more than one step)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC C23C8/34 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).