Indicators for use in oxygen systems
US-12533536-B2 · Jan 27, 2026 · US
for breathing apparatus
for breathing apparatus · 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 | B64D11/0632 |
| Official title | {for breathing apparatus} |
| Display label | for breathing apparatus |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft mask monitoring system
US-12479592-B2 · Nov 25, 2025 · US
Emergency oxygen systems for internal cabins of aircraft
US-2025304254-A1 · Oct 2, 2025 · US
Emergency oxygen systems for internal cabins of aircraft
US-12365462-B2 · Jul 22, 2025 · US
Attachment clip for fastening an object on a rail
US-2025136279-A1 · May 1, 2025 · US
Device for latching a door of an oxygen mask container in an aircraft cabin
US-12281496-B2 · Apr 22, 2025 · US
Emergency oxygen systems for internal cabins of aircraft
US-2024343390-A1 · Oct 17, 2024 · US
Device for latching a door of an oxygen mask container in an aircraft cabin
US-2024018806-A1 · Jan 18, 2024 · US
Aircraft overhead passenger service unit
US-2023339613-A1 · Oct 26, 2023 · US
Indicators for use in oxygen systems
US-2023191167-A1 · Jun 22, 2023 · US
Inflatable hood for air protection
US-11655036-B2 · May 23, 2023 · US
Systems and methods for providing filtered air to an enclosure for a passenger of a vehicle
US-11590442-B2 · Feb 28, 2023 · US
Supplemental oxygen assemblies
US-11584529-B2 · Feb 21, 2023 · US
Passenger service unit having a covering, passenger seating area and vehicle having a passenger service unit
US-11572171-B2 · Feb 7, 2023 · US
Emergency oxygen systems for internal cabins of aircraft
US-2022411062-A1 · Dec 29, 2022 · US
Pressurized gas manifold and system
US-11511140-B2 · Nov 29, 2022 · US
Aircraft mask monitoring system
US-2022348352-A1 · Nov 3, 2022 · US
Supplemental oxygen assemblies
US-2022289388-A1 · Sep 15, 2022 · US
Passenger oxygen mask drop zone extender
US-11390385-B2 · Jul 19, 2022 · US
Inflatable hood for air protection
US-2021380257-A1 · Dec 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D11/0632?
- CPC B64D11/0632 is the Cooperative Patent Classification code for “for breathing apparatus.”
- How many patents are filed under CPC B64D11/0632 (for breathing apparatus)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC B64D11/0632 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).