Vacuum-insulated pipe assembly
US-2026036245-A1 · Feb 5, 2026 · US
the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube
the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube · 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 | F16L59/075 |
| Official title | the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube |
| Display label | the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multilayer structure, method for producing same, packaging material and product including same, and protective sheet for electronic device
US-12097688-B2 · Sep 24, 2024 · US
Fluid loading joint and fluid loading equipment
US-11608263-B2 · Mar 21, 2023 · US
Multilayer Structure, Method for Producing Same, Packaging Material and Product Including Same, and Protective Sheet for Electronic Device
US-2023017050-A1 · Jan 19, 2023 · US
Thermal-insulated multi-walled pipe for superconducting power transmission
US-11486531-B2 · Nov 1, 2022 · US
Insulation of pipe-in-pipe systems
US-11280442-B2 · Mar 22, 2022 · US
Thermal-insulated multi-walled pipe for superconducting power transmission and laying method therefor
US-11075508-B2 · Jul 27, 2021 · US
Thermal-insulated multi-walled pipe for superconducting power transmission
US-10971286-B2 · Apr 6, 2021 · US
Fluid loading joint and fluid loading equipment
US-2021061640-A1 · Mar 4, 2021 · US
Insulation of Pipe-in-Pipe Systems
US-2020400266-A1 · Dec 24, 2020 · US
Method for ensuring reliable core material fill around the pass throughs in a vacuum insulated structure
US-10767919-B2 · Sep 8, 2020 · US
Thermal-insulated multi-walled pipe for superconducting power transmission and laying method therefor
US-2020220340-A1 · Jul 9, 2020 · US
Thermal-insulated multi-walled pipe for superconducting power transmission
US-2020203042-A1 · Jun 25, 2020 · US
Thermal-insulated multi-walled pipe for superconducting power transmission
US-2020200316-A1 · Jun 25, 2020 · US
Fluid handling device for liquid hydrogen
US-10591105-B2 · Mar 17, 2020 · US
Vacuum insulating container
US-10507967-B2 · Dec 17, 2019 · US
Double tube
US-10458592-B2 · Oct 29, 2019 · US
Piping system with leak detection
US-10330221-B2 · Jun 25, 2019 · US
Method for ensuring reliable core material fill around the pass throughs in a vacuum insulated structure
US-2019178562-A1 · Jun 13, 2019 · US
Cryogenic fluid transfer line
US-10161557-B2 · Dec 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L59/075?
- CPC F16L59/075 is the Cooperative Patent Classification code for “the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube.”
- How many patents are filed under CPC F16L59/075 (the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F16L59/075 growing?
- Publication counts under this code: 2 in 2023 vs 1 in 2024 (latest complete years).