Guidance system
US-2025206461-A1 · Jun 26, 2025 · US
comprising infrared suppressors
comprising infrared suppressors · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64D2033/045 |
| Official title | {comprising infrared suppressors} |
| Display label | comprising infrared suppressors |
| Total patents | 43 |
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 | 1 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust systems having adjustable nozzles and related methods
US-2024140611-A1 · May 2, 2024 · US
Passive infrared reduction device
US-11725609-B2 · Aug 15, 2023 · US
Takeoff power boost
US-11655772-B2 · May 23, 2023 · US
Multistage infrared suppression exhaust system
US-11608189-B2 · Mar 21, 2023 · US
Active infrared prediction utilizing fiber optic network
US-11498694-B2 · Nov 15, 2022 · US
Takeoff power boost
US-2022128013-A1 · Apr 28, 2022 · US
Compound helicopters having hybrid propulsion engines
US-11267579-B2 · Mar 8, 2022 · US
Multistage infrared suppression exhaust system
US-2022048640-A1 · Feb 17, 2022 · US
Takeoff power boost
US-11248552-B2 · Feb 15, 2022 · US
Passive infrared reduction device
US-2021254582-A1 · Aug 19, 2021 · US
Heat shield for signature suppression system
US-10974840-B2 · Apr 13, 2021 · US
Active infrared prediction utilizing fiber optic network
US-2021053697-A1 · Feb 25, 2021 · US
Takeoff power boost
US-2021010436-A1 · Jan 14, 2021 · US
Compound Helicopters having Hybrid Propulsion Engines
US-2020309066-A1 · Oct 1, 2020 · US
Heat shield for signature suppression system
US-2020172258-A1 · Jun 4, 2020 · US
Engine Exhaust Suppressor
US-2020070994-A1 · Mar 5, 2020 · US
AFT exhaust system for rotary wing aircraft
US-10562641-B2 · Feb 18, 2020 · US
Variable infrared suppression system in a gas turbine engine
US-10544755-B2 · Jan 28, 2020 · US
Airplane with angled-mounted turboprop engine
US-10507930-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D2033/045?
- CPC B64D2033/045 is the Cooperative Patent Classification code for “comprising infrared suppressors.”
- How many patents are filed under CPC B64D2033/045 (comprising infrared suppressors)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B64D2033/045 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).