Heat exchanger and production method of the heat exchanger
US-10465944-B2 · Nov 5, 2019 · US
of tubes in openings, e.g. rolling-in
of tubes in openings, e.g. rolling-in · 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 | B21D39/06 |
| Official title | of tubes in openings, e.g. rolling-in |
| Display label | of tubes in openings, e.g. rolling-in |
| Total patents | 171 |
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 | 6 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 16 |
| 2019 | 25 |
| 2020 | 21 |
| 2021 | 34 |
| 2022 | 19 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas-supply connection assembly, a method of connecting a gas supply line to a gas inlet port, and a gas cooking appliance
US-10451286-B2 · Oct 22, 2019 · US
Method for connecting a first component to a second component by plastic deformation
US-10434562-B2 · Oct 8, 2019 · US
Fitting member, annular member, joined member and method of manufacturing joined member
US-2019291166-A1 · Sep 26, 2019 · US
Tool and method for compressing a stented prosthesis
US-2019262148-A1 · Aug 29, 2019 · US
Introduced in a System for Connecting Refrigerant Fluid Discharge Tubes to Cylinder Caps of Hermetic Compressors, and Corresponding Process of Performing Thereof
US-2019219046-A1 · Jul 18, 2019 · US
Method for joining members, and joint body
US-2019210087-A1 · Jul 11, 2019 · US
Method for joining members
US-2019210089-A1 · Jul 11, 2019 · US
Method for joining members
US-2019210088-A1 · Jul 11, 2019 · US
Method for joining members
US-2019193135-A1 · Jun 27, 2019 · US
Method for compressing a stented prosthesis
US-10292844-B2 · May 21, 2019 · US
Manifold for a heat exchanger
US-10288362-B2 · May 14, 2019 · US
Joining method and joint structure of members
US-2019070656-A1 · Mar 7, 2019 · US
Joining method for members
US-2019060975-A1 · Feb 28, 2019 · US
Self-aligning swaging punch and method for swaging
US-2019022740-A1 · Jan 24, 2019 · US
Fuel Pump Solenoid Assembly Method
US-2019010909-A1 · Jan 10, 2019 · US
Asymmetric Spring Valve Disk
US-2019003603-A1 · Jan 3, 2019 · US
Combined Inlet and Outlet Check Valve Seat
US-2019003598-A1 · Jan 3, 2019 · US
Fuel Sending Unit Assembly and Operation
US-2019003474-A1 · Jan 3, 2019 · US
Pump Valve Configuration and Assembly Method
US-2019003605-A1 · Jan 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D39/06?
- CPC B21D39/06 is the Cooperative Patent Classification code for “of tubes in openings, e.g. rolling-in.”
- How many patents are filed under CPC B21D39/06 (of tubes in openings, e.g. rolling-in)?
- Our database includes 171 publications tagged with this CPC code.
- Is patent activity under CPC B21D39/06 growing?
- Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).