Single-shaft turbo compressor
US-2021285461-A1 · Sep 16, 2021 · US
the casing being vertically split
the casing being vertically split · 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 | F04D17/125 |
| Official title | {the casing being vertically split} |
| Display label | the casing being vertically split |
| Total patents | 82 |
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 | 9 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 6 |
| 2020 | 13 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 9 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sealable vapor cooled compressor housing with adapter
US-2021285691-A1 · Sep 16, 2021 · US
Compressor sensor mount
US-2021285463-A1 · Sep 16, 2021 · US
Centrifugal compressor
US-10871164-B2 · Dec 22, 2020 · US
Multi-stage centrifugal compressor
US-10851803-B2 · Dec 1, 2020 · US
Centrifugal compressor without external drainage system, motorcompressor and method of avoiding external drainage in a compressor
US-10830255-B2 · Nov 10, 2020 · US
Turbomachine inner housing
US-2020331063-A1 · Oct 22, 2020 · US
Fixing bolt for stationary member, and centrifugal compressor
US-10801506-B2 · Oct 13, 2020 · US
Fluid processing machines and fluid production systems
US-10801502-B2 · Oct 13, 2020 · US
Centrifugal compressor
US-2020300252-A1 · Sep 24, 2020 · US
Electrically driven compressor
US-2020212462-A1 · Jul 2, 2020 · US
Method for manufacturing a fluid device in which flanges are fastened together
US-10697459-B2 · Jun 30, 2020 · US
Centrifugal compressor bundle and centrifugal compressor
US-10683872-B2 · Jun 16, 2020 · US
Centrifugal compressor
US-2020056617-A1 · Feb 20, 2020 · US
Centrifugal compressor casing and centrifugal compressor
US-10539151-B2 · Jan 21, 2020 · US
Centrifugal compressor
US-10527062-B2 · Jan 7, 2020 · US
Multiple stage blowers and volutes therefor
US-10434271-B2 · Oct 8, 2019 · US
Compressor and compressor-manufacturing method
US-10364820-B1 · Jul 30, 2019 · US
Multiple stage blowers and volutes therefor
US-10300231-B2 · May 28, 2019 · US
Inserting and removing device for compressor, and method of inserting and removing bundle
US-10267336-B2 · Apr 23, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D17/125?
- CPC F04D17/125 is the Cooperative Patent Classification code for “the casing being vertically split.”
- How many patents are filed under CPC F04D17/125 (the casing being vertically split)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC F04D17/125 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).