Compressor or turbine with back-disk seal and vent
US-11377954-B2 · Jul 5, 2022 · US
axial thrust being compensated by thrust-balancing dummy piston or the like
axial thrust being compensated by thrust-balancing dummy piston or the like · 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 | F01D3/04 |
| Official title | axial thrust being compensated by thrust-balancing dummy piston or the like |
| Display label | axial thrust being compensated by thrust-balancing dummy piston or the like |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 14 |
| 2020 | 14 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
E-assist turbocharger with bleed fluid system connecting compressor section to web ring of turbine section for thrust load suppression
US-2022186740-A1 · Jun 16, 2022 · US
Steam turbine
US-11105201-B2 · Aug 31, 2021 · US
Counter rotating back-to-back fluid movement system
US-11098727-B2 · Aug 24, 2021 · US
Turbine and thrust load adjusting method
US-2021215046-A1 · Jul 15, 2021 · US
Casing position adjustment device
US-11028731-B2 · Jun 8, 2021 · US
Systems and methods for dynamic balancing of steam turbine rotor thrust
US-10871072-B2 · Dec 22, 2020 · US
Bearing rotor thrust control
US-10830092-B2 · Nov 10, 2020 · US
Turbine and turbine system
US-10787907-B2 · Sep 29, 2020 · US
Gas turbine engine secondary air system and axial thrust management system for a rotor of the engine
US-10781751-B1 · Sep 22, 2020 · US
Sealing arrangement on combustor to turbine interface in a gas turbine
US-10753214-B2 · Aug 25, 2020 · US
Gas turbine engine with axial thrust balance
US-10704391-B1 · Jul 7, 2020 · US
Integrated turbomachine with an axial locking device
US-10697421-B2 · Jun 30, 2020 · US
Fluid recirculation turbine system
US-10669927-B2 · Jun 2, 2020 · US
Turbine with pressure distributer
US-10634052-B2 · Apr 28, 2020 · US
Rotary machine and method for controlling rotary machine
US-10619512-B2 · Apr 14, 2020 · US
Turbomachine
US-10598014-B2 · Mar 24, 2020 · US
Turbomachine with axial force recovery at the fan via pressurized gas feed
US-2020072053-A1 · Mar 5, 2020 · US
Steam turbine
US-2020040732-A1 · Feb 6, 2020 · US
Balancing of axial thrust forces within a gas turbine engine
US-10539021-B2 · Jan 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D3/04?
- CPC F01D3/04 is the Cooperative Patent Classification code for “axial thrust being compensated by thrust-balancing dummy piston or the like.”
- How many patents are filed under CPC F01D3/04 (axial thrust being compensated by thrust-balancing dummy piston or the like)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC F01D3/04 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).