Compute Module for Helmet Mounted Visual Communication and Navigation System
US-2024237775-A1 · Jul 18, 2024 · US
Ventilating arrangements (A42B3/24 takes precedence)
Ventilating arrangements (A42B3/24 takes precedence) · 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 | A42B3/28 |
| Official title | Ventilating arrangements (A42B3/24 takes precedence) |
| Display label | Ventilating arrangements (A42B3/24 takes precedence) |
| Total patents | 101 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 14 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 16 |
| 2023 | 13 |
| 2024 | 11 |
| 2025 | 15 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Airborne pathogen extraction system
US-2023058361-A1 · Feb 23, 2023 · US
Surgical apparel system
US-11547169-B2 · Jan 10, 2023 · US
Bicycle helmet with modular impact absorbing structures
US-2022378141-A1 · Dec 1, 2022 · US
Bicycle helmet with modular impact absorbing structures
US-2022378140-A1 · Dec 1, 2022 · US
Protective bicycle helmet with internal ventilation fit system comprising expanded connectors
US-11510453-B2 · Nov 29, 2022 · US
Integrated helmet
US-2022346486-A1 · Nov 3, 2022 · US
Airborne pathogen extraction system
US-11484620-B2 · Nov 1, 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
Helmet with foam layer having an array of holes
US-11337481-B2 · May 24, 2022 · US
Surgical Helmet Assembly With A Reconfigurable Chin Bar
US-2022151321-A1 · May 19, 2022 · US
Safety helmet fan system
US-2022117347-A1 · Apr 21, 2022 · US
Surgical garment
US-11291265-B2 · Apr 5, 2022 · US
Method and apparatus for head protection and providing air flow
US-11278077-B2 · Mar 22, 2022 · US
Protective sports helmet
US-2022061448-A1 · Mar 3, 2022 · US
Helmet
US-11253021-B2 · Feb 22, 2022 · US
Protective helmet with multiple pseudo-spherical energy management liners
US-2022047031-A1 · Feb 17, 2022 · US
Safety helmet fan system
US-11241060-B2 · Feb 8, 2022 · US
Airborne pathogen extraction system
US-2021402044-A1 · Dec 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A42B3/28?
- CPC A42B3/28 is the Cooperative Patent Classification code for “Ventilating arrangements (A42B3/24 takes precedence).”
- How many patents are filed under CPC A42B3/28 (Ventilating arrangements (A42B3/24 takes precedence))?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC A42B3/28 growing?
- Publication counts under this code: 11 in 2024 vs 15 in 2025 (latest complete years).