Sliding component
US-10655736-B2 · May 19, 2020 · US
especially adapted for elastic fluid pumps
especially adapted for elastic fluid pumps · 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 | F04D29/122 |
| Official title | {especially adapted for elastic fluid pumps} |
| Display label | especially adapted for elastic fluid pumps |
| Total patents | 128 |
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 | 6 |
| 2016 | 15 |
| 2017 | 6 |
| 2018 | 17 |
| 2019 | 15 |
| 2020 | 23 |
| 2021 | 13 |
| 2022 | 14 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas compression device and method for manufacturing the same
US-2019376520-A1 · Dec 12, 2019 · US
Centrifugal pump
US-10502223-B2 · Dec 10, 2019 · US
Multistage centrifugal pump with shaft hydraulic force compensation
US-10495099-B2 · Dec 3, 2019 · US
Centrifugal compressor having equalizing vent to prevent grease from being pushed out of a bearing
US-10473110-B2 · Nov 12, 2019 · US
Turbo compressor
US-2019338732-A1 · Nov 7, 2019 · US
Fluid flow machine using a gaseous medium for temperature control of a dry gas seal
US-10465547-B2 · Nov 5, 2019 · US
Seal ring, sealing arrangement, and use of a sealing arrangement
US-2019285182-A1 · Sep 19, 2019 · US
Mechanical seal
US-2019203840-A1 · Jul 4, 2019 · US
Seal structure and turbocharger
US-2019178292-A1 · Jun 13, 2019 · US
Balancing system and method for turbomachine
US-2019170152-A1 · Jun 6, 2019 · US
Axially split pump
US-10273969-B2 · Apr 30, 2019 · US
Turbo-molecular pump
US-2019055949-A1 · Feb 21, 2019 · US
Flanged spring guide for a face seal arrangement
US-10208611-B2 · Feb 19, 2019 · US
Dry gas seal cooling arrangement and method
US-2019003481-A1 · Jan 3, 2019 · US
Compressor system
US-2019003597-A1 · Jan 3, 2019 · US
Electric machine
US-2018363669-A1 · Dec 20, 2018 · US
Casing assembly and rotary machine
US-2018347583-A1 · Dec 6, 2018 · US
Flanged spring guide for a face seal arrangement
US-2018340436-A1 · Nov 29, 2018 · US
Sealing mechanism and turbo refrigerator
US-10132325-B2 · Nov 20, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D29/122?
- CPC F04D29/122 is the Cooperative Patent Classification code for “especially adapted for elastic fluid pumps.”
- How many patents are filed under CPC F04D29/122 (especially adapted for elastic fluid pumps)?
- Our database includes 128 publications tagged with this CPC code.
- Is patent activity under CPC F04D29/122 growing?
- Publication counts under this code: 9 in 2024 vs 5 in 2025 (latest complete years).