Method and device for stripping the insulation from pre-insulated pipe conduits
US-10821621-B2 · Nov 3, 2020 · US
Tube-severing machines with rotating tool-carrier
Tube-severing machines with rotating tool-carrier · 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 | B23D21/04 |
| Official title | Tube-severing machines with rotating tool-carrier |
| Display label | Tube-severing machines with rotating tool-carrier |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 11 |
| 2019 | 10 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems, apparatuses and methods of machining pipes and/or pipe flanges
US-2020276659-A1 · Sep 3, 2020 · US
Pipe machining apparatuses and methods of operating the same
US-10730120-B2 · Aug 4, 2020 · US
Rapidly retractable tool support for a pipe machining apparatus
US-2020230717-A1 · Jul 23, 2020 · US
Coupling members for pipe machining apparatuses
US-10710177-B2 · Jul 14, 2020 · US
Adjustable templates for pipe cutting frames
US-10675721-B2 · Jun 9, 2020 · US
Systems, apparatuses and methods of machining pipes and/or pipe flanges
US-10675692-B2 · Jun 9, 2020 · US
Rapidly retractable tool support for a pipe machining apparatus
US-10610936-B2 · Apr 7, 2020 · US
Coupling members and pipe machining apparatuses including coupling members
US-10596667-B2 · Mar 24, 2020 · US
Cutting tools for pipe cutting frames
US-10549362-B2 · Feb 4, 2020 · US
Pipe machining system for positioning pipe machining apparatus in three-dimensional coordinate system
US-2019381621-A1 · Dec 19, 2019 · US
Bearing assembly for a pipe machining apparatus
US-10436245-B2 · Oct 8, 2019 · US
Coupling members for pipe machining apparatuses
US-10434584-B2 · Oct 8, 2019 · US
Powered threaded rod cutter
US-2019247937-A1 · Aug 15, 2019 · US
Pipe milling machine—directional stability
US-10376971-B2 · Aug 13, 2019 · US
Pipe machining apparatuses and methods of operating the same
US-10328493-B2 · Jun 25, 2019 · US
Adjustable templates for pipe cutting frames
US-2019160604-A1 · May 30, 2019 · US
Cutting tools and tool holders for pipe cutting frames
US-2019160564-A1 · May 30, 2019 · US
Method And Device For Stripping The Insulation From Pre-Insulated Pipe Conduits
US-2019105792-A1 · Apr 11, 2019 · US
Pipe milling machine—feed deactivation
US-10207346-B2 · Feb 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23D21/04?
- CPC B23D21/04 is the Cooperative Patent Classification code for “Tube-severing machines with rotating tool-carrier.”
- How many patents are filed under CPC B23D21/04 (Tube-severing machines with rotating tool-carrier)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC B23D21/04 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).