Gas turbine engine vane end devices
US-11326464-B2 · May 10, 2022 · US
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Brush seals
Brush seals · 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 | F05B2240/571 |
| Official title | Brush seals |
| Display label | Brush seals |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas turbine engine vane end devices
US-2019330993-A1 · Oct 31, 2019 · US
Gas turbine engine vane end devices
US-10370995-B2 · Aug 6, 2019 · US
Angular stator sector for a turbomachine compressor comprising a brush seal
US-10330117-B2 · Jun 25, 2019 · US
Gas turbine engine vane end devices
US-2018156052-A1 · Jun 7, 2018 · US
Gas turbine engine vane end devices
US-9938845-B2 · Apr 10, 2018 · US
Sealing assembly
US-9759329-B2 · Sep 12, 2017 · US
Labyrinth seal for turbines
US-9234434-B2 · Jan 12, 2016 · US
Angular stator sector for a turbomachine compressor comprising a brush seal
US-2015071770-A1 · Mar 12, 2015 · US
Labyrinth seal for turbines
US-2015001812-A1 · Jan 1, 2015 · US
Gas turbine engine vane end devices
US-2015003963-A1 · Jan 1, 2015 · US