Power transmission shaft and method for manufacturing same
US-11512761-B2 · Nov 29, 2022 · US
Welding
Welding · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16F2226/048 |
| Official title | Welding |
| Display label | Welding |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 16 |
| 2022 | 19 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Base member for a damper
US-11506251-B2 · Nov 22, 2022 · US
Support for household appliance, and household appliance
US-11466394-B2 · Oct 11, 2022 · US
Damper assembly
US-11466746-B2 · Oct 11, 2022 · US
Damper assembly
US-11454292-B2 · Sep 27, 2022 · US
Damper with control valves
US-11454291-B2 · Sep 27, 2022 · US
Damper assembly including intake valve in fluid chamber
US-11441633-B2 · Sep 13, 2022 · US
Flexible organic light-emitting display (OLED) and spring component
US-11404660-B2 · Aug 2, 2022 · US
Wave spring
US-11396921-B2 · Jul 26, 2022 · US
Damper with two-piece shell
US-11384810-B2 · Jul 12, 2022 · US
Cylinder device and method for manufacturing cylinder device
US-2022213944-A1 · Jul 7, 2022 · US
Flexible member
US-2022145956-A1 · May 12, 2022 · US
Cylinder device and method for manufacturing cylinder device
US-11300173-B2 · Apr 12, 2022 · US
Vibration dampers and damper tubes for vibration dampers
US-2022056978-A1 · Feb 24, 2022 · US
Shock-absorbing member
US-11254271-B2 · Feb 22, 2022 · US
Damper assembly
US-2022049754-A1 · Feb 17, 2022 · US
Damper assembly including intake valve in fluid chamber
US-2022049755-A1 · Feb 17, 2022 · US
Damper assembly
US-2022049753-A1 · Feb 17, 2022 · US
Fluid damper device and apparatus with the damper
US-11179013-B2 · Nov 23, 2021 · US
Dampener insert
US-11124033-B2 · Sep 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F2226/048?
- CPC F16F2226/048 is the Cooperative Patent Classification code for “Welding.”
- How many patents are filed under CPC F16F2226/048 (Welding)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC F16F2226/048 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).