Brazing system
US-2026054317-A1 · Feb 26, 2026 · US
Gas flame welding
Gas flame welding · 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 | B23K5/00 |
| Official title | Gas flame welding |
| Display label | Gas flame welding |
| Total patents | 35 |
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 | 6 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Configuring signal devices in thermal processing systems
US-12217118-B2 · Feb 4, 2025 · US
Oxy fuel gas mixtures and methods for use
US-11920097-B2 · Mar 5, 2024 · US
Configuring Signal Devices in Thermal Processing Systems
US-2023419055-A1 · Dec 28, 2023 · US
Configuring signal devices in thermal processing systems
US-11783138-B2 · Oct 10, 2023 · US
Support structure for a frame formwork panel
US-11519186-B2 · Dec 6, 2022 · US
Work piece condition detection using flame electrical characteristics in oxy-fuel thermal processing equipment
US-11507045-B2 · Nov 22, 2022 · US
Configuring Signal Devices in Thermal Processing Systems
US-2022108087-A1 · Apr 7, 2022 · US
Configuring signal devices in thermal processing systems
US-11087100-B2 · Aug 10, 2021 · US
Component made of metallic composite material and method for the manufacture of the component by hot forming
US-10974485-B2 · Apr 13, 2021 · US
Power source cooling apparatus, method, and configuration
US-10897807-B2 · Jan 19, 2021 · US
Bonding material and bonding method using same
US-10821558-B2 · Nov 3, 2020 · US
Support structure for a frame formwork panel
US-2020332538-A1 · Oct 22, 2020 · US
Configuring Signal Devices in Thermal Processing Systems
US-2020293727-A1 · Sep 17, 2020 · US
Configuring signal devices in thermal processing systems
US-10713448-B2 · Jul 14, 2020 · US
Work piece condition detection using flame electrical characteristics in oxy-fuel thermal processing equipment
US-2020096964-A1 · Mar 26, 2020 · US
Power source cooling apparatus, method, and configuration
US-2020100351-A1 · Mar 26, 2020 · US
Work piece condition detection using flame electrical characteristics in oxy-fuel thermal processing equipment
US-10514675-B2 · Dec 24, 2019 · US
Configuring Signal Devices in Thermal Processing Systems
US-2019303629-A1 · Oct 3, 2019 · US
Configuring signal devices in thermal processing systems
US-10346647-B2 · Jul 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K5/00?
- CPC B23K5/00 is the Cooperative Patent Classification code for “Gas flame welding.”
- How many patents are filed under CPC B23K5/00 (Gas flame welding)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC B23K5/00 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).