Pumps with ceramic interfaces and related methods
US-2025314249-A1 · Oct 9, 2025 · US
Ceramics; Oxides
Ceramics; Oxides · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F05C2203/08 |
| Official title | Ceramics; Oxides |
| Display label | Ceramics; Oxides |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary engine with seal having elastomeric member and shield
US-12421912-B2 · Sep 23, 2025 · US
Vacuum pump and vacuum pump rotor blade
US-12234828-B2 · Feb 25, 2025 · US
Rotary engine with side housing having a side plate with a ceramic matrix composite core
US-12104550-B1 · Oct 1, 2024 · US
Rotary engine with seal having elastomeric member and shield
US-2024318611-A1 · Sep 26, 2024 · US
Vacuum pump protection against deposition byproduct buildup
US-12087561-B2 · Sep 10, 2024 · US
Screw compressor element and machine
US-11828284-B2 · Nov 28, 2023 · US
Vacuum pump protection against deposition byproduct buildup
US-2023317437-A1 · Oct 5, 2023 · US
Vacuum pump and vacuum pump rotor blade
US-2023250826-A1 · Aug 10, 2023 · US
Vacuum pump protection against deposition byproduct buildup
US-11710623-B2 · Jul 25, 2023 · US
Thermal barrier coatings for internal combustion engines
US-11519329-B2 · Dec 6, 2022 · US
Thermal barrier coatings for internal combustion engines
US-11434816-B2 · Sep 6, 2022 · US
Beaded finger attachment
US-11280295-B2 · Mar 22, 2022 · US
Thermal barrier coatings for internal combustion engines
US-2022034257-A1 · Feb 3, 2022 · US
Boas arrangement with double dovetail attachments
US-11125099-B2 · Sep 21, 2021 · US
Vacuum pump protection against deposition byproduct buildup
US-2021257195-A1 · Aug 19, 2021 · US
Vacuum pump protection against deposition byproduct buildup
US-11031215-B2 · Jun 8, 2021 · US
Boas arrangement with double dovetail attachments
US-2021131301-A1 · May 6, 2021 · US
Screw compressor element and machine
US-2021095667-A1 · Apr 1, 2021 · US
Thermal barrier coatings for internal combustion engines
US-2021071571-A1 · Mar 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05C2203/08?
- CPC F05C2203/08 is the Cooperative Patent Classification code for “Ceramics; Oxides.”
- How many patents are filed under CPC F05C2203/08 (Ceramics; Oxides)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC F05C2203/08 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).