Pipe transport device and piping method
US-2025320947-A1 · Oct 16, 2025 · US
made of rigid material, e.g. metal or hard plastics
made of rigid material, e.g. metal or hard plastics · 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 | F16L11/14 |
| Official title | made of rigid material, e.g. metal or hard plastics |
| Display label | made of rigid material, e.g. metal or hard plastics |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reinforced thermoplastic multilayer hose for high temperature and pressure transport of fluids
US-2024426403-A1 · Dec 26, 2024 · US
Multilayer tube
US-11919272-B2 · Mar 5, 2024 · US
Umbilical
US-2023392477-A1 · Dec 7, 2023 · US
Spiral tube
US-2023001464-A1 · Jan 5, 2023 · US
Ethylene-vinyl alcohol copolymer composition, pellets, multilayer structure, and multilayer pipe
US-11535723-B2 · Dec 27, 2022 · US
Flexible hose
US-11486519-B2 · Nov 1, 2022 · US
Structure of Composite Flexible Pipeline for Crude Oil and Natural Gas Transportation and Laying Method Therefor
US-2022307629-A1 · Sep 29, 2022 · US
Use of PEKK for producing parts with low gas permeability
US-11377520-B2 · Jul 5, 2022 · US
Multilayer tube
US-2021252823-A1 · Aug 19, 2021 · US
Use of pekk for producing parts with low gas permeability
US-2020377654-A1 · Dec 3, 2020 · US
Ductile stainless steel pipe and heat pump system comprising the same
US-10830379-B2 · Nov 10, 2020 · US
Hose line and method for producing a hose line
US-10704711-B2 · Jul 7, 2020 · US
Elongate tape element and method
US-10683951-B2 · Jun 16, 2020 · US
End fitting and method of manufacture
US-10682706-B2 · Jun 16, 2020 · US
Ethylene-vinyl alcohol copolymer composition, pellets, multilayer structure, and multilayer pipe
US-2020109251-A1 · Apr 9, 2020 · US
Wire harness and method for producing exterior member of wire harness
US-10611320-B2 · Apr 7, 2020 · US
Elongate tape element and method
US-10465824-B2 · Nov 5, 2019 · US
Hose line and method for producing a hose line
US-2019226611-A1 · Jul 25, 2019 · US
Curved tube structure and die for forming curved tube
US-10253913-B2 · Apr 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L11/14?
- CPC F16L11/14 is the Cooperative Patent Classification code for “made of rigid material, e.g. metal or hard plastics.”
- How many patents are filed under CPC F16L11/14 (made of rigid material, e.g. metal or hard plastics)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC F16L11/14 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).