Extruded aliphatic polyketone permeation barrier for spoolable composite pipes
US-12169043-B2 · Dec 17, 2024 · US
Reinforced pipes · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16L9/04 |
| Official title | Reinforced pipes |
| Display label | Reinforced pipes |
| Total patents | 42 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12169043-B2 · Dec 17, 2024 · US
US-12031024-B2 · Jul 9, 2024 · US
US-2024183494-A1 · Jun 6, 2024 · US
US-2024044440-A1 · Feb 8, 2024 · US
US-11781700-B2 · Oct 10, 2023 · US
US-11518488-B2 · Dec 6, 2022 · US
US-2022373107-A1 · Nov 24, 2022 · US
US-2022332936-A1 · Oct 20, 2022 · US
US-11174685-B2 · Nov 16, 2021 · US
US-2021172261-A1 · Jun 10, 2021 · US
US-10961787-B2 · Mar 30, 2021 · US
US-10941884-B2 · Mar 9, 2021 · US
US-10865933-B2 · Dec 15, 2020 · US
US-2020355313-A1 · Nov 12, 2020 · US
US-10774954-B2 · Sep 15, 2020 · US
US-10731787-B2 · Aug 4, 2020 · US
US-2020141519-A1 · May 7, 2020 · US
US-2020122815-A1 · Apr 23, 2020 · US
US-10514113-B2 · Dec 24, 2019 · US
US-2019271432-A1 · Sep 5, 2019 · US
Answers are generated from the same data shown on this page.