Smart controller for exothermic welding and related systems and methods
US-12576456-B2 · Mar 17, 2026 · US
Alumino-thermic welding
Alumino-thermic 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 | B23K23/00 |
| Official title | Alumino-thermic welding |
| Display label | Alumino-thermic welding |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Arc ignition system for exothermic welding apparatus
US-12479043-B2 · Nov 25, 2025 · US
Container for exothermic welding material
US-2025145360-A1 · May 8, 2025 · US
Exothermic Welding System
US-2025136837-A1 · May 1, 2025 · US
Exothermic Welding Device
US-2024424599-A1 · Dec 26, 2024 · US
Exothermic Welding System
US-2024278350-A1 · Aug 22, 2024 · US
Smart Controller for Exothermic Welding and Related Systems and Methods
US-2024139860-A1 · May 2, 2024 · US
Arc ignition system for exothermic welding apparatus
US-2024091877-A1 · Mar 21, 2024 · US
System and methodology for welding
US-11931822-B2 · Mar 19, 2024 · US
Exothermic reaction weld metal assemblies and methods of use
US-2023271271-A1 · Aug 31, 2023 · US
Handle for exothermic mold with spring connectors
US-11724327-B2 · Aug 15, 2023 · US
Configurable exothermic reaction mold
US-11684998-B2 · Jun 27, 2023 · US
Field-applied system and method to produce thermite welds
US-2023147307-A1 · May 11, 2023 · US
Remote control for exothermic reaction mold
US-11633803-B2 · Apr 25, 2023 · US
Trigger devices for exothermic welds
US-11441776-B2 · Sep 13, 2022 · US
Handle for exothermic mold with spring connectors
US-2022105584-A1 · Apr 7, 2022 · US
Handle for exothermic mold with spring connectors
US-11229970-B2 · Jan 25, 2022 · US
Electrical connector for igniter for exothermic welding
US-11114261-B2 · Sep 7, 2021 · US
Trigger devices for exothermic welds
US-2021164659-A1 · Jun 3, 2021 · US
Vulcan fire torch
US-11007593-B1 · May 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K23/00?
- CPC B23K23/00 is the Cooperative Patent Classification code for “Alumino-thermic welding.”
- How many patents are filed under CPC B23K23/00 (Alumino-thermic welding)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC B23K23/00 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).