Integrated inlet particle separator (IPS) blower/engine starter
US-10519867-B2 · Dec 31, 2019 · US
comprising particle separators
comprising particle separators · 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 | B64D2033/0246 |
| Official title | {comprising particle separators} |
| Display label | comprising particle separators |
| Total patents | 159 |
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 | 7 |
| 2016 | 13 |
| 2017 | 17 |
| 2018 | 16 |
| 2019 | 27 |
| 2020 | 19 |
| 2021 | 20 |
| 2022 | 11 |
| 2023 | 12 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Passive particle separation system
US-2019329899-A1 · Oct 31, 2019 · US
Foldable ram air inlet filter
US-2019217959-A1 · Jul 18, 2019 · US
High volume flow management of cooling air
US-2019127072-A1 · May 2, 2019 · US
Inertial particle separator for engine inlet
US-10245540-B2 · Apr 2, 2019 · US
Adaptable inertial particle separator
US-10227925-B2 · Mar 12, 2019 · US
Systems and methods for particle separator in a gas turbine engine
US-2019003388-A1 · Jan 3, 2019 · US
Turbomachine comprising a trap for foreign objects circulating in an air flow
US-2018354638-A1 · Dec 13, 2018 · US
Inlet particle separator system with high curvature hub
US-10138904-B2 · Nov 27, 2018 · US
Aircraft filter system with airspeed compensation
US-2018312270-A1 · Nov 1, 2018 · US
Passive internal ice protection systems for engine inlets
US-2018298818-A1 · Oct 18, 2018 · US
Air intake for turboprop engine
US-10087839-B2 · Oct 2, 2018 · US
Passive internal ice protection systems for engine inlets
US-10036320-B2 · Jul 31, 2018 · US
Selectable Barrier Filtration System
US-2018208323-A1 · Jul 26, 2018 · US
Asymmetric inlet particle separator system
US-2018209340-A1 · Jul 26, 2018 · US
Air intake with scroll portion and strutted portion for gas turbine engine
US-10030581-B2 · Jul 24, 2018 · US
Inertial particle separator for engine inlet
US-2018193782-A1 · Jul 12, 2018 · US
Control technologies for turbine engine with integrated inlet particle separator and infrared suppression system
US-2018149092-A1 · May 31, 2018 · US
Auxiliary power unit inlet assembly with particle separator
US-2018106225-A1 · Apr 19, 2018 · US
Auxiliary power unit inlet assembly with filter
US-2018106224-A1 · Apr 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D2033/0246?
- CPC B64D2033/0246 is the Cooperative Patent Classification code for “comprising particle separators.”
- How many patents are filed under CPC B64D2033/0246 (comprising particle separators)?
- Our database includes 159 publications tagged with this CPC code.
- Is patent activity under CPC B64D2033/0246 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).