Heat exchange and flame arrest
US-12510298-B2 · Dec 30, 2025 · US
in gas-pipes (safety valves F16K17/00)
in gas-pipes (safety valves F16K17/00) · 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 | A62C4/02 |
| Official title | in gas-pipes (safety valves F16K17/00) |
| Display label | in gas-pipes (safety valves F16K17/00) |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 8 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Quenching device, hydrogen production device, hydrogen production method and reactor for photochemical reaction
US-2025281781-A1 · Sep 11, 2025 · US
Flame arrestor screw
US-2025195926-A1 · Jun 19, 2025 · US
Educted flame suppressor
US-2025067403-A1 · Feb 27, 2025 · US
Flame Arrester Capable of Automatically Eliminating Defects of Fire Arresting Portion
US-2024390714-A1 · Nov 28, 2024 · US
Method and system for detecting structural performance of fire retardant disc
US-2024370987-A1 · Nov 7, 2024 · US
Hydrogen flame arrestor
US-2024299786-A1 · Sep 12, 2024 · US
Flame arrestors and methods of making flame arrestors
US-12013116-B2 · Jun 18, 2024 · US
Flame arresters and end housings for flame arresters
US-2024173583-A1 · May 30, 2024 · US
Flame arrester for process devices
US-11992721-B2 · May 28, 2024 · US
Flame arrester having deformation unit assembly
US-2024165442-A1 · May 23, 2024 · US
Heat exchange and flame arrest
US-2024151473-A1 · May 9, 2024 · US
Flame arrester
US-2023226393-A1 · Jul 20, 2023 · US
Flame arrestor
US-11691040-B2 · Jul 4, 2023 · US
Flame arrestor screw
US-2023105784-A1 · Apr 6, 2023 · US
Buffered wall flow multi-channels flame arrester
US-11465003-B2 · Oct 11, 2022 · US
Flame arrestors and methods of making flame arrestors
US-2022275934-A1 · Sep 1, 2022 · US
Ejector nozzle and use of the ejector nozzle
US-11400326-B2 · Aug 2, 2022 · US
Battery system and motor vehicle having a battery system
US-2022037737-A1 · Feb 3, 2022 · US
Flame arrester for process devices
US-2022008770-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A62C4/02?
- CPC A62C4/02 is the Cooperative Patent Classification code for “in gas-pipes (safety valves F16K17/00).”
- How many patents are filed under CPC A62C4/02 (in gas-pipes (safety valves F16K17/00))?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC A62C4/02 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).