Method for detecting power of welding laser light and laser welding system
US-2024424610-A1 · Dec 26, 2024 · US
by welding
by 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 | B23K26/21 |
| Official title | by welding |
| Display label | by welding |
| Total patents | 2,155 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 98 |
| 2017 | 113 |
| 2018 | 150 |
| 2019 | 195 |
| 2020 | 232 |
| 2021 | 221 |
| 2022 | 245 |
| 2023 | 231 |
| 2024 | 298 |
| 2025 | 264 |
| 2026 | 67 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Battery module
US-2024372194-A1 · Nov 7, 2024 · US
Laser welding method
US-2024198453-A1 · Jun 20, 2024 · US
Welding method, welding device and composite part
US-9522441-B2 · Dec 20, 2016 · US
Laser processing system with light emitting part and control apparatus movable together
US-2016297032-A1 · Oct 13, 2016 · US
Manufacturing method for fluid coupling and fluid coupling
US-2016290461-A1 · Oct 6, 2016 · US
Sealing body for sealed battery and sealed battery
US-2016285071-A1 · Sep 29, 2016 · US
Automated weld repair of combustor liners
US-2016256957-A1 · Sep 8, 2016 · US
Battery module and method of coupling first and second electrical terminals of first and second battery cells to a voltage sense member of an interconnect assembly
US-2016233477-A1 · Aug 11, 2016 · US
Retaining device for the form-fitting and/or force-fitting arrangement of two components to be connected in a bonded manner, and method for operating such a retaining device
US-9409261-B2 · Aug 9, 2016 · US
Identifying components in a material processing system
US-9395715-B2 · Jul 19, 2016 · US
Assembly of hardened components and method for production
US-2016186280-A1 · Jun 30, 2016 · US
Laser welding apparatus and laser welding method
US-2016136755-A1 · May 19, 2016 · US
Optimization and control of beam quality for material processing
US-9339890-B2 · May 17, 2016 · US
Passive smart cards, metal cards, payment objects and smart jewelry
US-2016110639-A1 · Apr 21, 2016 · US
Heat dissipation device and method for manufacturing the same
US-2016095251-A1 · Mar 31, 2016 · US
Twist beam with joined inner and outer parts
US-2016068035-A1 · Mar 10, 2016 · US
Welded portion inspection apparatus and inspection method thereof, with inspection in different zones of the molten pool
US-2016052091-A1 · Feb 25, 2016 · US
Welding filler material for bonding different kind materials, and method for producing different kind material welded structure
US-2016001403-A1 · Jan 7, 2016 · US
Implantable capsule for leadless cardiac pacing
US-2015374976-A1 · Dec 31, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K26/21?
- CPC B23K26/21 is the Cooperative Patent Classification code for “by welding.”
- How many patents are filed under CPC B23K26/21 (by welding)?
- Our database includes 2,155 publications tagged with this CPC code.
- Is patent activity under CPC B23K26/21 growing?
- Publication counts under this code: 298 in 2024 vs 264 in 2025 (latest complete years).