Receptacle for hydrogen charging of fuel cell vehicle
US-12523340-B2 · Jan 13, 2026 · US
specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16L19/062 |
| Official title | {specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like} |
| Display label | specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12523340-B2 · Jan 13, 2026 · US
US-2025129887-A1 · Apr 24, 2025 · US
US-11635158-B2 · Apr 25, 2023 · US
US-11460130-B2 · Oct 4, 2022 · US
US-2021048130-A1 · Feb 18, 2021 · US
US-10871247-B2 · Dec 22, 2020 · US
US-2020025313-A1 · Jan 23, 2020 · US
US-2018087697-A1 · Mar 29, 2018 · US