Light ring for a soldering iron
US-2025353094-A1 · Nov 20, 2025 · US
Soldering irons; Bits
Soldering irons; Bits · 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 | B23K3/02 |
| Official title | Soldering irons; Bits |
| Display label | Soldering irons; Bits |
| Total patents | 56 |
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 | 8 |
| 2016 | 10 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Light ring for a soldering iron
US-12377486-B2 · Aug 5, 2025 · US
Light Ring for a Soldering Iron
US-2024293885-A1 · Sep 5, 2024 · US
Flux for resin-cored solder, resin-cored solder, and soldering method
US-12017307-B2 · Jun 25, 2024 · US
Flux for Resin-Cored Solder, Resin-Cored Solder, and Soldering Method
US-2024033863-A1 · Feb 1, 2024 · US
Automatic soldering processing system and automatic soldering processing method
US-11766731-B2 · Sep 26, 2023 · US
Flux for resin flux cored solder, resin flux cored solder, flux for flux-coated solder, flux-coated solder, and soldering method
US-11648631-B2 · May 16, 2023 · US
Automatic soldering processing system and automatic soldering processing method
US-2023046823-A1 · Feb 16, 2023 · US
Soldering apparatus, computer-readable medium, and soldering method
US-11577334-B2 · Feb 14, 2023 · US
Soldering device
US-2022193835-A1 · Jun 23, 2022 · US
Soldering apparatus and method for creating program
US-11273510-B2 · Mar 15, 2022 · US
Soldering station
US-11219963-B2 · Jan 11, 2022 · US
Soldering Station
US-2021362259-A1 · Nov 25, 2021 · US
Soldering tip fastening device
US-11117209-B2 · Sep 14, 2021 · US
Flux for Resin Flux Cored Solder, Resin Flux Cored Solder, Flux for Flux-Coated Solder, Flux-Coated Solder, and Soldering Method
US-2021268610-A1 · Sep 2, 2021 · US
Cordless soldering iron
US-11059118-B2 · Jul 13, 2021 · US
Method of producing a vehicle glass assembly
US-2021001432-A1 · Jan 7, 2021 · US
Soldering apparatus
US-10842061-B2 · Nov 17, 2020 · US
Soldering tip for a soldering iron
US-10835979-B2 · Nov 17, 2020 · US
Apparatus, non-transitory computer readable medium, and method for soldering
US-10807239-B2 · Oct 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K3/02?
- CPC B23K3/02 is the Cooperative Patent Classification code for “Soldering irons; Bits.”
- How many patents are filed under CPC B23K3/02 (Soldering irons; Bits)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC B23K3/02 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).