Insulating inserts for field joints of coated rigid pipelines
US-11781700-B2 · Oct 10, 2023 · US
for non-disconnectable joints
for non-disconnectable joints · 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 | F16L59/20 |
| Official title | for non-disconnectable joints |
| Display label | for non-disconnectable joints |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 14 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for connecting two unitary elements of a conduit for transporting fluids by means of a sleeve
US-11559949-B2 · Jan 24, 2023 · US
Device for securing at least one insulation on a duct, duct equipped with said securing device
US-11460213-B2 · Oct 4, 2022 · US
Securing device
US-11346491-B2 · May 31, 2022 · US
Method for assembling pipe-in-pipe pipeline elements for transporting fluids
US-11306848-B2 · Apr 19, 2022 · US
Pipeline supplemental containment wall systems and methods
US-2021381653-A1 · Dec 9, 2021 · US
Method of and system for coating a field joint of a pipe
US-11168827-B2 · Nov 9, 2021 · US
Method for connecting two individual fluid transport pipe elements using rigid shells
US-2021331422-A1 · Oct 28, 2021 · US
Pipeline supplemental containment wall systems and methods
US-11098853-B1 · Aug 24, 2021 · US
Pipeline supplemental containment wall systems and methods
US-2021254795-A1 · Aug 19, 2021 · US
Method for assembling pipe-in-pipe pipeline elements for transporting fluids
US-2021054952-A1 · Feb 25, 2021 · US
Composite strip, and methods for forming a junction between two conduits
US-10907754-B2 · Feb 2, 2021 · US
Composite article
US-10895342-B2 · Jan 19, 2021 · US
Field joint arrangement for a pipeline and protecting method thereof
US-10865933-B2 · Dec 15, 2020 · US
Composite article
US-10837591-B2 · Nov 17, 2020 · US
Insulating Inserts for Field Joints of Coated Rigid Pipelines
US-2020355313-A1 · Nov 12, 2020 · US
Composite article
US-10830387-B2 · Nov 10, 2020 · US
Composite article
US-10816130-B2 · Oct 27, 2020 · US
Method For Connecting Two Unitary Elements Of A Conduit For Transporting Fluids By Means Of A Sleeve
US-2020316876-A1 · Oct 8, 2020 · US
Method For Connecting Two Individual Fluid Transport Pipe Elements Using Rigid Shells
US-2020307113-A1 · Oct 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L59/20?
- CPC F16L59/20 is the Cooperative Patent Classification code for “for non-disconnectable joints.”
- How many patents are filed under CPC F16L59/20 (for non-disconnectable joints)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC F16L59/20 growing?
- Publication counts under this code: 3 in 2022 vs 2 in 2023 (latest complete years).