Rotary machine including active magnetic bearing
US-2018363668-A1 · Dec 20, 2018 · US
Regulating or controlling by varying flow (for reversing F01D1/30; by varying rotor-blade position F01D7/00; specially for starting F01D19/00; shutting-down F01D21/00; regulating or controlling in general G05 {; specially adapted for hand-held tools or the like F01D15/06})
Regulating or controlling by varying flow (for reversing F01D1/30; by varying rotor-blade position F01D7/00; specially for starting F01D19/00; shutting-down F01D21/00; regulating or controlling in general G05 {; specially adapted for hand-held tools or the like F01D15/06}) · 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 | F01D17/00 |
| Official title | Regulating or controlling by varying flow (for reversing F01D1/30; by varying rotor-blade position F01D7/00; specially for starting F01D19/00; shutting-down F01D21/00; regulating or controlling in general G05 {; specially adapted for hand-held tools or the like F01D15/06}) |
| Display label | Regulating or controlling by varying flow (for reversing F01D1/30; by varying rotor-blade position F01D7/00; specially for starting F01D19/00; shutting-down F01D21/00; regulating or controlling in general G05 {; specially adapted for hand-held tools or the like F01D15/06}) |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 14 |
| 2017 | 20 |
| 2018 | 19 |
| 2019 | 12 |
| 2020 | 17 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 11 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas turbine and component-temperature adjustment method therefor
US-2018340468-A1 · Nov 29, 2018 · US
Waste heat recovery system
US-2018313233-A1 · Nov 1, 2018 · US
Extracting steam from a turbine
US-2018298786-A1 · Oct 18, 2018 · US
Thermal energy recovery device
US-2018274392-A1 · Sep 27, 2018 · US
Bleeding structure for gas turbine engine
US-2018252159-A1 · Sep 6, 2018 · US
Rankine-cycle power-generating apparatus
US-10060283-B2 · Aug 28, 2018 · US
Gas turbine startup method and device
US-2018171875-A1 · Jun 21, 2018 · US
Fluid powered starter with a variable turbine stator
US-9989030-B2 · Jun 5, 2018 · US
Axial fan and control method thereof
US-2018128108-A1 · May 10, 2018 · US
Axial fan and control method thereof
US-9963970-B2 · May 8, 2018 · US
Geared turbofan engine with low pressure environmental control system for aircraft
US-9915165-B2 · Mar 13, 2018 · US
Vane actuator and method of making and using the same
US-2018058247-A1 · Mar 1, 2018 · US
Rotary machine including active magnetic bearing
US-2018030989-A1 · Feb 1, 2018 · US
Model-based optimal control for stall margin limit protection in an aircraft engine
US-9878692-B2 · Jan 30, 2018 · US
Piping system cleaning method, piping system, and steam turbine plant
US-2017362955-A1 · Dec 21, 2017 · US
Solar and steam hybrid power generation system
US-9841008-B2 · Dec 12, 2017 · US
Data Center Cooling System
US-2017354063-A1 · Dec 7, 2017 · US
Aircraft propulsion assembly comprising an air flow valve with a variable flow rate
US-9835050-B2 · Dec 5, 2017 · US
Data center cooling system
US-9788462-B2 · Oct 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01D17/00?
- CPC F01D17/00 is the Cooperative Patent Classification code for “Regulating or controlling by varying flow (for reversing F01D1/30; by varying rotor-blade position F01D7/00; specially for starting F01D19/00; shutting-down F01D21/00; regulating or controlling in general G05 {; specially adapted for hand-held tools or the like F01D15/06}).”
- How many patents are filed under CPC F01D17/00 (Regulating or controlling by varying flow (for reversing F01D1/30; by varying rotor-blade position F01D7/00; specially for starting F01D19/00; shutting-down F01D21/00; regulating or controlling in general G05 {; specially adapted for hand-held tools or the like F01D15/06}))?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC F01D17/00 growing?
- Publication counts under this code: 8 in 2024 vs 11 in 2025 (latest complete years).