Liquid hydrogen pump and methods
US-12523240-B2 · Jan 13, 2026 · US
Pumping installations or systems (controlling F04D15/00)
Pumping installations or systems (controlling F04D15/00) · 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 | F04D13/00 |
| Official title | Pumping installations or systems (controlling F04D15/00) |
| Display label | Pumping installations or systems (controlling F04D15/00) |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid hydrogen pump and methods
US-2025207609-A1 · Jun 26, 2025 · US
Liquid hydrogen pump and methods
US-12276287-B2 · Apr 15, 2025 · US
Arrangement and method for degassing a pump
US-2025101681-A1 · Mar 27, 2025 · US
Arrangement and method for degassing a pump
US-12173451-B2 · Dec 24, 2024 · US
Vacuum pumping
US-12129841-B2 · Oct 29, 2024 · US
Integrally-transportable purge container and method of using the integrally-transportable purge container
US-2024353068-A1 · Oct 24, 2024 · US
Purge container and method of using the purge container
US-2024344664-A1 · Oct 17, 2024 · US
System for cleaning at least two sensors/transmitters for a motor vehicle
US-12036956-B2 · Jul 16, 2024 · US
Pump and dishwasher including the same
US-12016507-B2 · Jun 25, 2024 · US
Controllers of a vacuum pumping and/or abatement system
US-11929982-B2 · Mar 12, 2024 · US
Liquid hydrogen pump and methods
US-2024018974-A1 · Jan 18, 2024 · US
Vacuum pumping system
US-11839903-B2 · Dec 12, 2023 · US
Pump and dishwasher including the same
US-2023277031-A1 · Sep 7, 2023 · US
Oil circulation in an electric submersible pump (ESP) electric motor
US-11739619-B2 · Aug 29, 2023 · US
Pump and dishwasher including the same
US-11684234-B2 · Jun 27, 2023 · US
Oil Circulation in an Electric Submersible Pump (ESP) Electric Motor
US-2023160286-A1 · May 25, 2023 · US
System for cleaning at least two sensors/transmitters for a motor vehicle
US-2022185240-A1 · Jun 16, 2022 · US
Bilge pump having outside sensing surface with ribs
US-2022136523-A1 · May 5, 2022 · US
Vacuum pumping
US-2022090592-A1 · Mar 24, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04D13/00?
- CPC F04D13/00 is the Cooperative Patent Classification code for “Pumping installations or systems (controlling F04D15/00).”
- How many patents are filed under CPC F04D13/00 (Pumping installations or systems (controlling F04D15/00))?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC F04D13/00 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).