Welding torch handle with a cover cap and a cap holder
US-11883913-B2 · Jan 30, 2024 · US
Operations & Transport
Operations & Transport · 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 | B23K9/164 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 178 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 13 |
| 2017 | 17 |
| 2018 | 8 |
| 2019 | 17 |
| 2020 | 24 |
| 2021 | 19 |
| 2022 | 27 |
| 2023 | 17 |
| 2024 | 12 |
| 2025 | 12 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Welding torch and all-position welding device
US-2019351498-A1 · Nov 21, 2019 · US
Flux-cored wire, manufacturing method of welded joint, and welded joint
US-2019329347-A1 · Oct 31, 2019 · US
Method of cleaning a workpiece after a thermal joining process with cathodic cleaning; cleaning device and processing gas
US-2019299314-A1 · Oct 3, 2019 · US
Increased durability welding torch assembly and components
US-10293426-B2 · May 21, 2019 · US
Increased durability welding torch assembly and components
US-10293427-B2 · May 21, 2019 · US
Non-consumable electrode arc-welding method
US-2019126378-A1 · May 2, 2019 · US
Method for manufacturing electrical steel sheet laminated core having reduced core loss and increased strength, and laminated core produced by the same
US-10265795-B2 · Apr 23, 2019 · US
Electrodes for forming austenitic and duplex steel weld metal
US-2019054559-A1 · Feb 21, 2019 · US
Welding torch
US-2019047072-A1 · Feb 14, 2019 · US
Welding system for AC welding with reduced spatter
US-10179369-B2 · Jan 15, 2019 · US
Method of welding superalloys
US-2018361495-A1 · Dec 20, 2018 · US
Tip-retention device for use with a welding system
US-2018214972-A1 · Aug 2, 2018 · US
Welding method and welding apparatus
US-10035213-B2 · Jul 31, 2018 · US
Method for joining electrical conductors
US-2018166796-A1 · Jun 14, 2018 · US
Adaptive control method and equipment of arc swing in narrow gap welding
US-2018147647-A1 · May 31, 2018 · US
Electrospark deposition system for repair of gas turbine
US-9956637-B2 · May 1, 2018 · US
Device for providing a laminar flow of shielding gas in a welding device
US-2018043457-A1 · Feb 15, 2018 · US
System and method for controlling shielding gas flow in a welding device
US-2018043456-A1 · Feb 15, 2018 · US
Welding torch with upper and lower shielding gas flow and welding method using welding torch for horizontal welding
US-9844829-B2 · Dec 19, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K9/164?
- CPC B23K9/164 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B23K9/164 (Operations & Transport)?
- Our database includes 178 publications tagged with this CPC code.
- Is patent activity under CPC B23K9/164 growing?
- Publication counts under this code: 12 in 2024 vs 12 in 2025 (latest complete years).