Removable closure for a cryogenic tank of an aircraft, cryogenic tank, and aircraft
US-2025361985-A1 · Nov 27, 2025 · US
hollow-walled, e.g. double-walled with spacers (linings B65D90/04) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65D90/028 |
| Official title | {hollow-walled, e.g. double-walled with spacers (linings B65D90/04)} |
| Display label | hollow-walled, e.g. double-walled with spacers (linings B65D90/04) |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025361985-A1 · Nov 27, 2025 · US
US-2025333238-A1 · Oct 30, 2025 · US
US-2024410529-A1 · Dec 12, 2024 · US
US-2024116690-A1 · Apr 11, 2024 · US
US-11865751-B2 · Jan 9, 2024 · US
US-11702243-B2 · Jul 18, 2023 · US
US-2023166436-A1 · Jun 1, 2023 · US
US-11584054-B2 · Feb 21, 2023 · US
US-11059666-B2 · Jul 13, 2021 · US
US-10914518-B2 · Feb 9, 2021 · US
US-10889375-B2 · Jan 12, 2021 · US
US-2020254665-A1 · Aug 13, 2020 · US
US-2020165028-A1 · May 28, 2020 · US
US-2019185260-A1 · Jun 20, 2019 · US
US-2019185164-A1 · Jun 20, 2019 · US
US-10317010-B2 · Jun 11, 2019 · US
US-2018313104-A1 · Nov 1, 2018 · US
US-2018299196-A1 · Oct 18, 2018 · US
US-2018299197-A1 · Oct 18, 2018 · US
US-2018299199-A1 · Oct 18, 2018 · US