Adsorption filter structure or purification module and helmet comprising the same
US-12589267-B2 · Mar 31, 2026 · US
with means for attaching respirators or breathing masks
with means for attaching respirators or breathing masks · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A42B3/288 |
| Official title | {with means for attaching respirators or breathing masks} |
| Display label | with means for attaching respirators or breathing masks |
| Total patents | 36 |
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 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2020 | 5 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Personal air filtering device with automatic control of air movement
US-12185787-B2 · Jan 7, 2025 · US
Head wearable air purifier
US-2024366973-A1 · Nov 7, 2024 · US
Helmet
US-12102849-B2 · Oct 1, 2024 · US
Method and apparatus for head protection and providing air flow
US-12102162-B2 · Oct 1, 2024 · US
Personal air filtration system with smart app
US-12075874-B2 · Sep 3, 2024 · US
Headwear suspension attachment element
US-11992078-B2 · May 28, 2024 · US
Diving helmet apparatus
US-11926398-B1 · Mar 12, 2024 · US
Protective headgear with adjustable air supply
US-11779075-B2 · Oct 10, 2023 · US
Helmet having a breathing mask assembly
US-2022312882-A1 · Oct 6, 2022 · US
Method and apparatus for head protection and providing air flow
US-2022211136-A1 · Jul 7, 2022 · US
Adsorption filter structure or purification module and helmet comprising the same
US-2022193467-A1 · Jun 23, 2022 · US
Safety Headwear with Electronic Monitoring
US-2022175072-A1 · Jun 9, 2022 · US
Protective headgear with adjustable air supply
US-2022125150-A1 · Apr 28, 2022 · US
Method and apparatus for head protection and providing air flow
US-11278077-B2 · Mar 22, 2022 · US
Protective headgear with adjustable air supply
US-11253022-B2 · Feb 22, 2022 · US
Head Covering Device Providing Filtered Air and Climate Control
US-2022000209-A1 · Jan 6, 2022 · US
Personal Air Filtration Device with Reduced Noise from Air Mover
US-2021289876-A1 · Sep 23, 2021 · US
Personal Air Filtering Device with Automatic Control of Air Movement
US-2021289875-A1 · Sep 23, 2021 · US
Personal Air Filtering Device with Safety Features
US-2021290989-A1 · Sep 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A42B3/288?
- CPC A42B3/288 is the Cooperative Patent Classification code for “with means for attaching respirators or breathing masks.”
- How many patents are filed under CPC A42B3/288 (with means for attaching respirators or breathing masks)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC A42B3/288 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).