Welded joint and automobile member
US-2024093708-A1 · Mar 21, 2024 · US
Spot welding
Spot 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 | B23K11/11 |
| Official title | Spot welding |
| Display label | Spot welding |
| Total patents | 716 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 42 |
| 2016 | 48 |
| 2017 | 49 |
| 2018 | 50 |
| 2019 | 86 |
| 2020 | 90 |
| 2021 | 67 |
| 2022 | 65 |
| 2023 | 82 |
| 2024 | 69 |
| 2025 | 58 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for applying a reinforcement of metal material to a component of metal material, particularly in the construction of a motor-vehicle body or a sub-assembly thereof
US-11911836-B2 · Feb 27, 2024 · US
Twin spot welding apparatus
US-9527156-B2 · Dec 27, 2016 · US
Method for the non-releasable connection of components or component regions and non-releasable connection
US-2016368079-A1 · Dec 22, 2016 · US
Spot welding apparatus
US-2016346868-A9 · Dec 1, 2016 · US
One-side spot welding method and one-side spot welding apparatus
US-9486875-B2 · Nov 8, 2016 · US
Fuel cell and production apparatus for the fuel cell
US-2016293977-A1 · Oct 6, 2016 · US
Resistance spot welding method
US-2016228973-A1 · Aug 11, 2016 · US
Method of manufacturing centrifugal fan
US-2016186770-A1 · Jun 30, 2016 · US
Method for welding electrode tab of secondary battery and electrode assembly manufactured using same
US-2016175979-A1 · Jun 23, 2016 · US
Multi point projection welding method and loading-welding system for car-body assembly using the same
US-2016175978-A1 · Jun 23, 2016 · US
Thermal mass flow meter and mass flow controller
US-2016178420-A1 · Jun 23, 2016 · US
Assembled battery, exterior tube equipped battery, and manufacturing method of assembled battery welded to bus bar
US-2016149169-A1 · May 26, 2016 · US
Joint structure and joint structure manufacturing method
US-2016136880-A1 · May 19, 2016 · US
Seam welding method and vehicle body
US-2016136751-A1 · May 19, 2016 · US
Resistance welding system
US-9333587-B2 · May 10, 2016 · US
Joined member and method for producing the same
US-2016082542-A1 · Mar 24, 2016 · US
Joint structure for members of different kinds of metal
US-9227668-B2 · Jan 5, 2016 · US
Welding portion inspection system and the control method of inspection system
US-2015346033-A1 · Dec 3, 2015 · US
Thermoplastic joining and assembly of bulk metallic glass composites through capacitive discharge
US-9187812-B2 · Nov 17, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K11/11?
- CPC B23K11/11 is the Cooperative Patent Classification code for “Spot welding.”
- How many patents are filed under CPC B23K11/11 (Spot welding)?
- Our database includes 716 publications tagged with this CPC code.
- Is patent activity under CPC B23K11/11 growing?
- Publication counts under this code: 69 in 2024 vs 58 in 2025 (latest complete years).