Turbine engine including a water system
US-2025290446-A1 · Sep 18, 2025 · US
Machines or engines with axial-thrust balancing effected by working-fluid
Machines or engines with axial-thrust balancing effected by working-fluid · 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 | F01D3/00 |
| Official title | Machines or engines with axial-thrust balancing effected by working-fluid |
| Display label | Machines or engines with axial-thrust balancing effected by working-fluid |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Turbine engine including a water system
US-12416259-B1 · Sep 16, 2025 · US
Gas turbine engines and methods for reducing spool thrust in a turbine section thereof
US-12345173-B2 · Jul 1, 2025 · US
Gas turbine engines and methods for reducing spool thrust in a turbine section thereof
US-2025172069-A1 · May 29, 2025 · US
Active stability control of compression systems utilizing electric machines
US-12170500-B2 · Dec 17, 2024 · US
Active stability control of compression systems utilizing electric machines
US-2023126222-A1 · Apr 27, 2023 · US
Active stability control of compression systems utilizing electric machines
US-11539316-B2 · Dec 27, 2022 · US
Compressor or turbine with back-disk seal and vent
US-11377954-B2 · Jul 5, 2022 · US
Turbomachine with axial force recovery at the fan via pressurized gas feed
US-11274554-B2 · Mar 15, 2022 · US
Axial thrust loading mitigation in a turbocharger
US-11143207-B2 · Oct 12, 2021 · US
Rotor thrust balanced turbine engine
US-11053797-B2 · Jul 6, 2021 · US
Turbocharger
US-11022130-B2 · Jun 1, 2021 · US
Gas turbine engine of an aircraft
US-2021062680-A1 · Mar 4, 2021 · US
Active Stability Control of Compression Systems Utilizing Electric Machines
US-2021033101-A1 · Feb 4, 2021 · US
Thrust bearing system with inverted non-contacting dynamic seals for gas turbine engine
US-10815903-B2 · Oct 27, 2020 · US
Axial load management system
US-10801549-B2 · Oct 13, 2020 · US
Turbomachine with axial force recovery at the fan via pressurized gas feed
US-2020072053-A1 · Mar 5, 2020 · US
Axial thrust foil air bearing with thrust sensor
US-10557497-B1 · Feb 11, 2020 · US
Steam turbine
US-10550697-B2 · Feb 4, 2020 · US
Axial Load Management System
US-2019368549-A1 · Dec 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D3/00?
- CPC F01D3/00 is the Cooperative Patent Classification code for “Machines or engines with axial-thrust balancing effected by working-fluid.”
- How many patents are filed under CPC F01D3/00 (Machines or engines with axial-thrust balancing effected by working-fluid)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC F01D3/00 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).