Liquid hydrogen pump and methods
US-12523240-B2 · Jan 13, 2026 · US
means for removing without depressurizing the cavity · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04D29/608 |
| Official title | {means for removing without depressurizing the cavity} |
| Display label | means for removing without depressurizing the cavity |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12523240-B2 · Jan 13, 2026 · US
US-12429058-B2 · Sep 30, 2025 · US
US-12352272-B2 · Jul 8, 2025 · US
US-2025207609-A1 · Jun 26, 2025 · US
US-12276287-B2 · Apr 15, 2025 · US
US-2025060075-A1 · Feb 20, 2025 · US
US-2024360832-A1 · Oct 31, 2024 · US
US-2024353068-A1 · Oct 24, 2024 · US
US-2024344664-A1 · Oct 17, 2024 · US
US-2024344529-A1 · Oct 17, 2024 · US
US-2024018974-A1 · Jan 18, 2024 · US
US-2023204036-A1 · Jun 29, 2023 · US
US-11149703-B2 · Oct 19, 2021 · US
US-2020240379-A1 · Jul 30, 2020 · US