Exhaust pipe
US-2022381175-A1 · Dec 1, 2022 · US
characterised by the sealing means
characterised by the sealing means · 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 | F16L23/16 |
| Official title | characterised by the sealing means |
| Display label | characterised by the sealing means |
| Total patents | 85 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Arrangement and method for connecting fluid-conducting components, more particularly in the exhaust gas line of a motor vehicle
US-11506107-B2 · Nov 22, 2022 · US
Coupling system
US-2022282817-A1 · Sep 8, 2022 · US
Pipeline connection device and pipeline adapting assembly
US-2022042626-A1 · Feb 10, 2022 · US
Active sealing ring, in particular for an auto coupling
US-2022010901-A1 · Jan 13, 2022 · US
Annular sleeves for fluid-handling components
US-11137093-B2 · Oct 5, 2021 · US
Air conditioning fitting with axial and radial elastomeric sealing element and metal to metal taper saddle
US-11052724-B2 · Jul 6, 2021 · US
Exhaust pipe structure of internal combustion engine vehicle and method of manufacturing the vehicle
US-2021148275-A1 · May 20, 2021 · US
Integrated bellows gasket
US-2021108550-A1 · Apr 15, 2021 · US
Arrangement and method for connecting fluid-conducting components, more particularly in the exhaust gas line of a motor vehicle
US-2021071563-A1 · Mar 11, 2021 · US
Arrangement for fluid-sealing connection of lines
US-10876659-B2 · Dec 29, 2020 · US
Vessel Closures and Methods for Using and Manufacturing Same
US-2020399029-A1 · Dec 24, 2020 · US
Vessel closures and methods for using and manufacturing same
US-10773863-B2 · Sep 15, 2020 · US
Protective device for preventing exhaust gas escape
US-10690037-B2 · Jun 23, 2020 · US
Compact raised face flange
US-2020096143-A1 · Mar 26, 2020 · US
Spiral wound gasket
US-10591064-B2 · Mar 17, 2020 · US
Spiral wound gasket
US-10591063-B2 · Mar 17, 2020 · US
Joint restraint device
US-2020063900-A1 · Feb 27, 2020 · US
Air conditioning fitting with axial and radial elastomeric sealing element and metal to metal taper saddle
US-2020001683-A1 · Jan 2, 2020 · US
Joint structure and robot
US-10480695-B2 · Nov 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L23/16?
- CPC F16L23/16 is the Cooperative Patent Classification code for “characterised by the sealing means.”
- How many patents are filed under CPC F16L23/16 (characterised by the sealing means)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC F16L23/16 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).