Cryogenic pump with inverse orientation for hydrogen fueling station
US-2025320110-A1 · Oct 16, 2025 · US
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of piston type
of piston type · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B67D7/64 |
| Official title | of piston type |
| Display label | of piston type |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cryogenic pump for hydrogen fueling station with long stroke
US-2025320109-A1 · Oct 16, 2025 · US
Fluid compression apparatus and filling station
US-2025026627-A1 · Jan 23, 2025 · US
Metering pumps for fueling applications
US-11939209-B2 · Mar 26, 2024 · US
Fluid dispensing apparatus and method
US-11484899-B2 · Nov 1, 2022 · US
Fluid dispensing apparatus and method
US-2022023900-A1 · Jan 27, 2022 · US
Metering pumps for fueling applications
US-2021387848-A1 · Dec 16, 2021 · US
Liquid material ejector
US-11111129-B2 · Sep 7, 2021 · US
Fluid dispensing apparatus and method
US-11027300-B2 · Jun 8, 2021 · US
Fluid dispensing apparatus and method
US-2020188946-A1 · Jun 18, 2020 · US
Fluid dispensing apparatus and method
US-10576486-B2 · Mar 3, 2020 · US
Fluid dispensing apparatus and method
US-2019015859-A1 · Jan 17, 2019 · US
Liquid material ejector
US-2018208450-A1 · Jul 26, 2018 · US
Fluid dispensing apparatus and method
US-10022739-B2 · Jul 17, 2018 · US
Liquid material ejector
US-9957150-B2 · May 1, 2018 · US
Fluid dispensing apparatus and method
US-2016114344-A1 · Apr 28, 2016 · US
Fluid dispensing apparatus and method
US-9227212-B2 · Jan 5, 2016 · US