Low temperature liquid tank
US-10480714-B2 · Nov 19, 2019 · US
by insulating layers (F17C3/08 takes precedence)
by insulating layers (F17C3/08 takes precedence) · 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 | F17C3/04 |
| Official title | by insulating layers (F17C3/08 takes precedence) |
| Display label | by insulating layers (F17C3/08 takes precedence) |
| Total patents | 145 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 7 |
| 2017 | 17 |
| 2018 | 18 |
| 2019 | 17 |
| 2020 | 14 |
| 2021 | 9 |
| 2022 | 6 |
| 2023 | 18 |
| 2024 | 11 |
| 2025 | 13 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Uncoupling of the corrugations of an impervious barrier
US-2019331297-A1 · Oct 31, 2019 · US
Vapor cooled shielding liner for cryogenic storage in composite pressure vessels
US-10422478-B2 · Sep 24, 2019 · US
Free-standing liner unit and method of building tank
US-10364939-B2 · Jul 30, 2019 · US
Liquefied gas storage tank and liquefied gas carrier ship
US-10317010-B2 · Jun 11, 2019 · US
Tank arrangement
US-2019078736-A1 · Mar 14, 2019 · US
Pump tower installation structure of liquefied natural gas storage tank and manufacturing method thereof
US-10208895-B2 · Feb 19, 2019 · US
Sealed and thermally insulating tank
US-2019011084-A1 · Jan 10, 2019 · US
Sealed and thermally insulating tank equipped with a reinforcing piece
US-10139048-B2 · Nov 27, 2018 · US
Membrane assembly for welding membrane of membrane type storage tank and membrane welding device guide system including same
US-2018299069-A1 · Oct 18, 2018 · US
Liquefied-fluid storage tank
US-2018259128-A1 · Sep 13, 2018 · US
Vacuum heat-insulating material, and heat-insulting container, dwelling wall, transport machine, hydrogen transport tanker, and lng transport tanker equipped with vacuum heat-insulating material
US-2018259126-A1 · Sep 13, 2018 · US
Sealed and insulating vessel comprising a bridging element between the panels of the secondary insulation barrier
US-10072798-B2 · Sep 11, 2018 · US
Reinforcing member fixing device for primary barrier of liquefied natural gas storage tank
US-10054264-B2 · Aug 21, 2018 · US
Transport container
US-2018231182-A1 · Aug 16, 2018 · US
Thermal insulating structure
US-2018231183-A1 · Aug 16, 2018 · US
Sealed and thermally insulating tank equipped with a reinforcing piece
US-2018202611-A1 · Jul 19, 2018 · US
Heat-insulation system for liquefied natural gas cargo hold
US-10023270-B2 · Jul 17, 2018 · US
Storage tank for liquefied fuel
US-10006420-B2 · Jun 26, 2018 · US
Vacuum heat-insulating material, and heat-insulating container, dwelling wall, transport machine, hydrogen transport tanker, and LNG transport tanker equipped with vacuum heat-insulating material
US-10001247-B2 · Jun 19, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C3/04?
- CPC F17C3/04 is the Cooperative Patent Classification code for “by insulating layers (F17C3/08 takes precedence).”
- How many patents are filed under CPC F17C3/04 (by insulating layers (F17C3/08 takes precedence))?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC F17C3/04 growing?
- Publication counts under this code: 11 in 2024 vs 13 in 2025 (latest complete years).