Fuel additive injection system and methods for inhibiting coke formation
US-2018363552-A1 · Dec 20, 2018 · US
Preventing corrosion {or unwanted deposits} in gas-swept spaces
Preventing corrosion {or unwanted deposits} in gas-swept spaces · 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 | F02C7/30 |
| Official title | Preventing corrosion {or unwanted deposits} in gas-swept spaces |
| Display label | Preventing corrosion {or unwanted deposits} in gas-swept spaces |
| Total patents | 219 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 17 |
| 2017 | 15 |
| 2018 | 16 |
| 2019 | 27 |
| 2020 | 17 |
| 2021 | 20 |
| 2022 | 18 |
| 2023 | 20 |
| 2024 | 29 |
| 2025 | 23 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for cleaning cooling passages of a combustion chamber
US-2018355801-A1 · Dec 13, 2018 · US
Oil filtration system
US-2018345172-A1 · Dec 6, 2018 · US
Durable riblets for engine environment
US-10107302-B2 · Oct 23, 2018 · US
Vanadium corrosion inhibitors in gas turbine applications
US-2018265797-A1 · Sep 20, 2018 · US
Radiometric system and method for detecting ice accumulation inside an operating jet engine
US-2018266969-A1 · Sep 20, 2018 · US
Vanadium corrosion inhibitors in gas turbine applications
US-2018265798-A1 · Sep 20, 2018 · US
Methods and system for cleaning gas turbine engine
US-2018245477-A1 · Aug 30, 2018 · US
Drained fluid evacuation stub for a propulsion assembly
US-10017238-B2 · Jul 10, 2018 · US
Case with integral heat shielding
US-10012389-B2 · Jul 3, 2018 · US
Tooling for removing sand from a turbine engine
US-10006305-B2 · Jun 26, 2018 · US
System and method for purging fuel from turbomachine
US-2018094586-A1 · Apr 5, 2018 · US
Methods of cleaning a hot gas flowpath comonent of a turbine engine
US-2018094538-A1 · Apr 5, 2018 · US
Methods of cleaning a hot gas flowpath component of a turbine engine
US-9932854-B1 · Apr 3, 2018 · US
Articles for high temperature service and method for making
US-9869188-B2 · Jan 16, 2018 · US
System and method to enhance corrosion turbine monitoring
US-2017356346-A1 · Dec 14, 2017 · US
Press-fitting corrosion resistant liners in nozzles and casings
US-9828918-B2 · Nov 28, 2017 · US
Vanadium corrosion inhibitors in gas turbine applications
US-2017298284-A1 · Oct 19, 2017 · US
Short inlet with integrated liner anti-icing
US-2017298821-A1 · Oct 19, 2017 · US
Compressor vane or blade for engine
US-2017298945-A1 · Oct 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02C7/30?
- CPC F02C7/30 is the Cooperative Patent Classification code for “Preventing corrosion {or unwanted deposits} in gas-swept spaces.”
- How many patents are filed under CPC F02C7/30 (Preventing corrosion {or unwanted deposits} in gas-swept spaces)?
- Our database includes 219 publications tagged with this CPC code.
- Is patent activity under CPC F02C7/30 growing?
- Publication counts under this code: 29 in 2024 vs 23 in 2025 (latest complete years).