Piston limit sensing for fluid application
US-2025067287-A1 · Feb 27, 2025 · US
the means being fluid
the means being fluid · 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 | F04B9/08 |
| Official title | the means being fluid |
| Display label | the means being fluid |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 4 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electroosmotic pump
US-2024382672-A1 · Nov 21, 2024 · US
Piston limit sensing for fluid application
US-12135048-B2 · Nov 5, 2024 · US
Material supply pump for spacer of insulating glass
US-2024342747-A1 · Oct 17, 2024 · US
Electroosmotic pump
US-12090299-B2 · Sep 17, 2024 · US
Seal
US-11624440-B2 · Apr 11, 2023 · US
Motor cooling systems
US-11201524-B2 · Dec 14, 2021 · US
Inflow device
US-11162642-B2 · Nov 2, 2021 · US
Electroosmotic pump
US-2021196884-A1 · Jul 1, 2021 · US
Linear displacement pump with position sensing and related systems and methods
US-10954931-B2 · Mar 23, 2021 · US
Motor cooling systems
US-2020412205-A1 · Dec 31, 2020 · US
Seal
US-2020393045-A1 · Dec 17, 2020 · US
Inflow device
US-2020363017-A1 · Nov 19, 2020 · US
Gaseous fuel pumping system
US-10323581-B2 · Jun 18, 2019 · US
Piston limit sensing for fluid application
US-2019072118-A1 · Mar 7, 2019 · US
Systems and methods for controlling multi-chamber subsea pumps
US-10180134-B1 · Jan 15, 2019 · US
Systems and methods for controlling multi-chamber subsea pumps
US-2019003473-A1 · Jan 3, 2019 · US
Method for increasing subsea accumulator volume
US-9885221-B2 · Feb 6, 2018 · US
Artificial lift system and an associated method thereof
US-2017284178-A1 · Oct 5, 2017 · US
Gaseous fuel pumping system
US-2017241350-A1 · Aug 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B9/08?
- CPC F04B9/08 is the Cooperative Patent Classification code for “the means being fluid.”
- How many patents are filed under CPC F04B9/08 (the means being fluid)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F04B9/08 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).