Pyrolysis furnace tubes
US-11155756-B2 · Oct 26, 2021 · US
on cylindrical surfaces
on cylindrical surfaces · 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 | B23K9/048 |
| Official title | {on cylindrical surfaces} |
| Display label | on cylindrical surfaces |
| Total patents | 78 |
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 | 7 |
| 2016 | 7 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wear Resistant Granular Direction Altering Device
US-2021292107-A1 · Sep 23, 2021 · US
Method of repairing a region of a part including a threaded hole
US-2021245279-A1 · Aug 12, 2021 · US
Laminated molded object production method and production device
US-2021229182-A1 · Jul 29, 2021 · US
Systems and methods for processing alloy ingots
US-11059088-B2 · Jul 13, 2021 · US
Systems and methods for processing alloy ingots
US-11059089-B2 · Jul 13, 2021 · US
Method for modifying an aperture and system for modifying flow through a component
US-10960481-B2 · Mar 30, 2021 · US
Reducing the risk of corrosion in pipelines
US-2021071807-A1 · Mar 11, 2021 · US
Reducing the risk of corrosion in pipelines
US-2021071806-A1 · Mar 11, 2021 · US
System and method for additively manufacturing boiler tubes
US-10890388-B2 · Jan 12, 2021 · US
Method for repairing an upstream rail of a turbine engine turbine casing
US-2020359793-A1 · Nov 19, 2020 · US
Method for repairing an upstream rail of a turbine engine turbine casing
US-10759010-B2 · Sep 1, 2020 · US
Sprocket wheel and method for producing the same
US-10759481-B2 · Sep 1, 2020 · US
Method for producing a pipe fitting, in particular by weld overlay
US-2020254551-A1 · Aug 13, 2020 · US
Pyrolysis Furnace Tubes
US-2020239783-A1 · Jul 30, 2020 · US
Pyrolysis furnace tubes
US-10655072-B2 · May 19, 2020 · US
Weld overlay system
US-10646946-B2 · May 12, 2020 · US
Process for lining a steel pipe for the subsea transport of fluids
US-10648607-B2 · May 12, 2020 · US
Magnetic elevator drive member and method of manufacture
US-10587180-B2 · Mar 10, 2020 · US
Method and system for manufacturing laminated shaped product
US-2020038983-A1 · Feb 6, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K9/048?
- CPC B23K9/048 is the Cooperative Patent Classification code for “on cylindrical surfaces.”
- How many patents are filed under CPC B23K9/048 (on cylindrical surfaces)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC B23K9/048 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).