Portable and compact welding fume extractor
US-2018369886-A1 · Dec 27, 2018 · US
Devices for supplying or evacuating shielding gas
Devices for supplying or evacuating shielding gas · 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 | B23K9/325 |
| Official title | {Devices for supplying or evacuating shielding gas} |
| Display label | Devices for supplying or evacuating shielding gas |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 17 |
| 2017 | 17 |
| 2018 | 15 |
| 2019 | 12 |
| 2020 | 19 |
| 2021 | 16 |
| 2022 | 17 |
| 2023 | 13 |
| 2024 | 22 |
| 2025 | 22 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Consumable electrode type gas shield arc welding method and arc welding portion
US-2018369945-A1 · Dec 27, 2018 · US
Arc welding equipment
US-10160056-B2 · Dec 25, 2018 · US
Welding type power supply with wind tunnel
US-10150173-B2 · Dec 11, 2018 · US
Welding systems for cooling welding contact tips
US-2018304395-A1 · Oct 25, 2018 · US
System and method for communication with welding gas line
US-10105785-B2 · Oct 23, 2018 · US
Gas supply device, gas supply device having mixing function, welding device, and gas supply method
US-2018290229-A1 · Oct 11, 2018 · US
Tig gun power pin for welding device or system and multi-process welder with a single gas flow path
US-2018229325-A1 · Aug 16, 2018 · US
Tip-retention device for use with a welding system
US-2018214972-A1 · Aug 2, 2018 · US
3d printing apparatus
US-2018178304-A1 · Jun 28, 2018 · US
Systems, methods, and apparatus to preheat welding wire
US-2018099346-A1 · Apr 12, 2018 · US
Welding torch with a fixing element for the gas nozzle, said element being capable of extension; process control method for a welding system equipped with said welding torch; gas nozzle for said welding torch; and contact tube for said welding torch
US-9862056-B2 · Jan 9, 2018 · US
Arc welding device and method
US-2018001414-A1 · Jan 4, 2018 · US
Automatic flow regulator for fume gun
US-9846439-B2 · Dec 19, 2017 · US
Protective gas mouthpiece, connection device and connection method
US-2017326675-A1 · Nov 16, 2017 · US
Arc welding equipment
US-2017326676-A1 · Nov 16, 2017 · US
Welding wire cartridge with moisture protection
US-2017320158-A1 · Nov 9, 2017 · US
Welding torch system for use in welding or cutting operations, welding torch for use in such a welding torch system and method for welding using such a welding torch system or such a welding torch
US-9802266-B2 · Oct 31, 2017 · US
Apparatus for regulation of the pressure of a gas
US-9709188-B2 · Jul 18, 2017 · US
Fume extractor for welding applications
US-2017189988-A1 · Jul 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K9/325?
- CPC B23K9/325 is the Cooperative Patent Classification code for “Devices for supplying or evacuating shielding gas.”
- How many patents are filed under CPC B23K9/325 (Devices for supplying or evacuating shielding gas)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC B23K9/325 growing?
- Publication counts under this code: 22 in 2024 vs 22 in 2025 (latest complete years).