Smart controller for exothermic welding and related systems and methods
US-12576456-B2 · Mar 17, 2026 · US
involving an exothermic reaction of the interposed material
involving an exothermic reaction of the interposed material · 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 | B23K20/165 |
| Official title | {involving an exothermic reaction of the interposed material} |
| Display label | involving an exothermic reaction of the interposed material |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Container for exothermic welding material
US-2025145360-A1 · May 8, 2025 · US
Ignition systems for exothermic welding
US-2025137641-A1 · May 1, 2025 · US
Bonded body of copper and ceramic, insulating circuit substrate, bonded body of copper and ceramic production method, and insulating circuit substrate production method
US-12027434-B2 · Jul 2, 2024 · US
Device and methods of multiple spot welding for automotive applications using vaporizing foil actuator welding
US-11999005-B2 · Jun 4, 2024 · US
Smart Controller for Exothermic Welding and Related Systems and Methods
US-2024139860-A1 · May 2, 2024 · US
Joining of dissimilar materials using impact welding
US-11759884-B2 · Sep 19, 2023 · US
Configurable exothermic reaction mold
US-11684998-B2 · Jun 27, 2023 · US
Exothermic reaction welding molds, weld-metal containing cartridges for such molds, and methods of use
US-11597041-B2 · Mar 7, 2023 · US
Method for producing bonded body, method for producing insulated circuit board, and method for producing insulated circuit board with heatsink
US-11478868-B2 · Oct 25, 2022 · US
Device and methods of mutliple spot welding for automotive applications using vaporizing foil actuator welding
US-2022250187-A1 · Aug 11, 2022 · US
Exothermic reaction welding molds, weld-metal containing cartridges for such molds, and methods of use
US-11358242-B2 · Jun 14, 2022 · US
Exothermic reaction welding molds, weld-metal containing cartridges for such molds, and methods of use
US-2022111472-A1 · Apr 14, 2022 · US
Method for the pretreatment of rare-earth magnets prior to soldering using nanocrystalline soldering foils and magnetic component
US-11253951-B2 · Feb 22, 2022 · US
Joining of dissimilar materials using impact welding
US-2021346980-A1 · Nov 11, 2021 · US
Electrical connector for igniter for exothermic welding
US-11114261-B2 · Sep 7, 2021 · US
Joining of dissimilar materials using impact welding
US-11084122-B2 · Aug 10, 2021 · US
Bonded body of copper and ceramic, insulating circuit substrate, bonded body of copper and ceramic production method, and insulating circuit substrate production method
US-2020365475-A1 · Nov 19, 2020 · US
Method of forming a diffusion bonded joint
US-2020290314-A1 · Sep 17, 2020 · US
Electrical Connector for Insertable Conductor
US-2020243282-A1 · Jul 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K20/165?
- CPC B23K20/165 is the Cooperative Patent Classification code for “involving an exothermic reaction of the interposed material.”
- How many patents are filed under CPC B23K20/165 (involving an exothermic reaction of the interposed material)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC B23K20/165 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).