Battery pack
US-2024106057-A1 · Mar 28, 2024 · US
Flame traps allowing passage of gas but not of flame or explosion wave
Flame traps allowing passage of gas but not of flame or explosion wave · 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 | A62C4/00 |
| Official title | Flame traps allowing passage of gas but not of flame or explosion wave |
| Display label | Flame traps allowing passage of gas but not of flame or explosion wave |
| Total patents | 95 |
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 | 11 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flame arrestor with fluid drainage capabilities
US-11168883-B2 · Nov 9, 2021 · US
Pressure relief device and housing comprising same
US-2021313780-A1 · Oct 7, 2021 · US
Explosion-proof arrangement
US-2021308509-A1 · Oct 7, 2021 · US
Ignition suppressing enclosure having vent paths for flame quenching
US-2021290994-A1 · Sep 23, 2021 · US
Energy storage system
US-2021288372-A1 · Sep 16, 2021 · US
Pressure vessel with barrier passage containing fire suppressant elements
US-2021231380-A1 · Jul 29, 2021 · US
Double shell fastener caps
US-11022164-B2 · Jun 1, 2021 · US
Explosion-proof housing with split cover
US-2021154504-A1 · May 27, 2021 · US
Housing having cast pressure relief means
US-2021143617-A1 · May 13, 2021 · US
Fire extinguishing container
US-10974085-B2 · Apr 13, 2021 · US
Passive flame arrestor system
US-2021102497-A1 · Apr 8, 2021 · US
Flame arrestor
US-10890325-B2 · Jan 12, 2021 · US
Systems and methods for containing ignition within a battery housing
US-10745144-B2 · Aug 18, 2020 · US
Flame arrestor
US-2020215366-A1 · Jul 9, 2020 · US
Oven appliance and a flame arrester for an oven appliance
US-10688327-B2 · Jun 23, 2020 · US
Apparatus for evacuating a corrosive effluent gas stream from a processing chamber
US-10625205-B2 · Apr 21, 2020 · US
Ignition-quenching covers and methods for aerospace applications
US-2020094088-A1 · Mar 26, 2020 · US
Double Shell Fastener Caps
US-2020080584-A1 · Mar 12, 2020 · US
Combustion arrester test systems and methods
US-10543387-B2 · Jan 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A62C4/00?
- CPC A62C4/00 is the Cooperative Patent Classification code for “Flame traps allowing passage of gas but not of flame or explosion wave.”
- How many patents are filed under CPC A62C4/00 (Flame traps allowing passage of gas but not of flame or explosion wave)?
- Our database includes 95 publications tagged with this CPC code.
- Is patent activity under CPC A62C4/00 growing?
- Publication counts under this code: 14 in 2024 vs 3 in 2025 (latest complete years).