Pipe coupling
US-2023358350-A1 · Nov 9, 2023 · US
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having annular axial lips
having annular axial lips · 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 | F16L17/03 |
| Official title | having annular axial lips |
| Display label | having annular axial lips |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coupling gasket with multiple sealing surfaces
US-11739869-B2 · Aug 29, 2023 · US
Coupling gasket with multiple sealing surfaces
US-2022282809-A1 · Sep 8, 2022 · US
Seal for fluid level sensing assembly
US-2022205536-A1 · Jun 30, 2022 · US
Coupling gasket with multiple sealing surfaces
US-11365835-B2 · Jun 21, 2022 · US
Hydrant shoe assembly
US-11306463-B2 · Apr 19, 2022 · US
Pipe coupling
US-11193609-B2 · Dec 7, 2021 · US
Hydrogen supply apparatus and sealing device used for same
US-2021273243-A1 · Sep 2, 2021 · US
Hydrant shoe assembly
US-2020354930-A1 · Nov 12, 2020 · US
Hydrant shoe assembly
US-10774508-B2 · Sep 15, 2020 · US
Coupling gasket with multiple sealing surfaces
US-2020191303-A1 · Jun 18, 2020 · US
Coupling gasket with multiple sealing surfaces
US-10641421-B2 · May 5, 2020 · US
Hydrant shoe assembly
US-2020071915-A1 · Mar 5, 2020 · US
Pipe joint
US-10520119-B2 · Dec 31, 2019 · US
Pipe coupling
US-2019264843-A1 · Aug 29, 2019 · US
Pipe joint
US-10006572-B2 · Jun 26, 2018 · US
Pipe joint
US-9719618-B2 · Aug 1, 2017 · US
Coupling gasket with multiple sealing surfaces
US-2017074433-A1 · Mar 16, 2017 · US
Coupling gasket with multiple sealing surfaces
US-9534715-B2 · Jan 3, 2017 · US
Pipe joint
US-9488300-B2 · Nov 8, 2016 · US