Coupling device for a tube
US-2025354638-A1 · Nov 20, 2025 · US
Dust covers
Dust covers · 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 | F16L2201/80 |
| Official title | Dust covers |
| Display label | Dust covers |
| Total patents | 63 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aseptic fluid couplings
US-2025290588-A1 · Sep 18, 2025 · US
Through-wall piping connector
US-2025230883-A1 · Jul 17, 2025 · US
Aseptic fluid couplings
US-12338931-B2 · Jun 24, 2025 · US
Aseptic Coupling Devices
US-2024358990-A1 · Oct 31, 2024 · US
Push-in tube connector port
US-12129948-B2 · Oct 29, 2024 · US
Cap assembly
US-12117096-B2 · Oct 15, 2024 · US
Aseptic coupling devices
US-12042621-B2 · Jul 23, 2024 · US
Hygienic coupling system
US-12007046-B2 · Jun 11, 2024 · US
Connector cover and methods
US-11946581-B2 · Apr 2, 2024 · US
Coupler door push button release for agricultural vehicle
US-11927293-B2 · Mar 12, 2024 · US
Multi-coupler and cover thereof
US-11905674-B2 · Feb 20, 2024 · US
Connector for aseptic connection, and method for connecting and disconnecting such connectors
US-11867330-B2 · Jan 9, 2024 · US
Joint restraint device
US-11796103-B2 · Oct 24, 2023 · US
Coupler door push button release for agricultural vehicle
US-2023194034-A1 · Jun 22, 2023 · US
Push-in Tube Connector Port
US-2023137536-A1 · May 4, 2023 · US
Cap assembly
US-2023081636-A1 · Mar 16, 2023 · US
Connector cover and methods
US-2023060911-A1 · Mar 2, 2023 · US
Systems and methods for early detection of pneumatic transport element leaks
US-11551483-B2 · Jan 10, 2023 · US
Aseptic fluid couplings
US-2022341526-A1 · Oct 27, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L2201/80?
- CPC F16L2201/80 is the Cooperative Patent Classification code for “Dust covers.”
- How many patents are filed under CPC F16L2201/80 (Dust covers)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC F16L2201/80 growing?
- Publication counts under this code: 9 in 2024 vs 5 in 2025 (latest complete years).