Composite including a component and a glass material
US-2018370193-A1 · Dec 27, 2018 · US
Pre-treatment of the joining surfaces, e.g. cleaning, machining
Pre-treatment of the joining surfaces, e.g. cleaning, machining · 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 | C04B2237/52 |
| Official title | Pre-treatment of the joining surfaces, e.g. cleaning, machining |
| Display label | Pre-treatment of the joining surfaces, e.g. cleaning, machining |
| Total patents | 180 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 21 |
| 2017 | 19 |
| 2018 | 23 |
| 2019 | 16 |
| 2020 | 14 |
| 2021 | 13 |
| 2022 | 16 |
| 2023 | 16 |
| 2024 | 11 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for hydrophobicizing a zirconia surface
US-10125053-B2 · Nov 13, 2018 · US
Hybrid metal composite structures, rocket cases, and related methods
US-2018126702-A1 · May 10, 2018 · US
Ceramic-containing transaction card with a fill panel
US-2018068212-A1 · Mar 8, 2018 · US
Power-module substrate and manufacturing method thereof
US-9862045-B2 · Jan 9, 2018 · US
Joint surface coatings for ceramic components
US-2017368803-A1 · Dec 28, 2017 · US
Ceramic-containing transaction cards and methods of making the same
US-9836687-B1 · Dec 5, 2017 · US
Ceramic-containing transaction cards and methods of making the same
US-2017344869-A1 · Nov 30, 2017 · US
Method for creating ceramic-containing transaction cards
US-2017344870-A1 · Nov 30, 2017 · US
Method for joining substrates
US-9815262-B2 · Nov 14, 2017 · US
Cordierite sintered body, method for manufacturing the same, composite substrate, and electronic device
US-9771303-B2 · Sep 26, 2017 · US
Method for hydrophobicizing a zirconia surface
US-2017260107-A1 · Sep 14, 2017 · US
Producing method of power-module substrate
US-2017229320-A1 · Aug 10, 2017 · US
Method for producing a ceramic component composed of a plurality of joined preforms and component obtained by the method
US-2017226020-A1 · Aug 10, 2017 · US
Compositions for joining and assembling parts made of SiC-based materials
US-9713860-B2 · Jul 25, 2017 · US
Laser ablation method for treating a zirconia containing ceramic surface
US-9708225-B2 · Jul 18, 2017 · US
Substrate structures and methods of manufacture
US-2017162481-A1 · Jun 8, 2017 · US
Handle substrates of composite substrates for semiconductors, and composite substrates for semiconductors
US-9673282-B2 · Jun 6, 2017 · US
Laser ablation method for treating a zirconia containing ceramic surface
US-2017137329-A1 · May 18, 2017 · US
Target material for sputtering and method for manufacturing same
US-2017130328-A1 · May 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2237/52?
- CPC C04B2237/52 is the Cooperative Patent Classification code for “Pre-treatment of the joining surfaces, e.g. cleaning, machining.”
- How many patents are filed under CPC C04B2237/52 (Pre-treatment of the joining surfaces, e.g. cleaning, machining)?
- Our database includes 180 publications tagged with this CPC code.
- Is patent activity under CPC C04B2237/52 growing?
- Publication counts under this code: 11 in 2024 vs 14 in 2025 (latest complete years).