Accumulator
US-11174880-B2 · Nov 16, 2021 · US
the separating means being bellows
the separating means being bellows · 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 | F15B1/103 |
| Official title | {the separating means being bellows} |
| Display label | the separating means being bellows |
| Total patents | 94 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 11 |
| 2019 | 12 |
| 2020 | 7 |
| 2021 | 13 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 5 |
| 2025 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Accumulator
US-11149754-B2 · Oct 19, 2021 · US
Low profile electro-hydrostatic actuator
US-11118610-B2 · Sep 14, 2021 · US
Center biased actuator
US-2021269147-A1 · Sep 2, 2021 · US
Accumulator
US-11047399-B2 · Jun 29, 2021 · US
Center biased actuator
US-11027830-B2 · Jun 8, 2021 · US
Accumulator
US-11022150-B2 · Jun 1, 2021 · US
Accumulator
US-2021140449-A1 · May 13, 2021 · US
Pressure accumulator having a monitoring device
US-2021115948-A1 · Apr 22, 2021 · US
Accumulator
US-10927855-B2 · Feb 23, 2021 · US
Shell member for accumulator, method of producing the same, accumulator, and method of producing the same
US-2021048042-A1 · Feb 18, 2021 · US
Accumulator
US-10914323-B2 · Feb 9, 2021 · US
Accumulator
US-10907657-B2 · Feb 2, 2021 · US
Accumulator
US-10851804-B2 · Dec 1, 2020 · US
Accumulator
US-2020158144-A1 · May 21, 2020 · US
Bellows accumulator, in particular pulsation damper
US-10584759-B2 · Mar 10, 2020 · US
Accumulator
US-2020049168-A1 · Feb 13, 2020 · US
Accumulator
US-2020032819-A1 · Jan 30, 2020 · US
Accumulator
US-10539161-B2 · Jan 21, 2020 · US
Accumulator
US-2020003233-A1 · Jan 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F15B1/103?
- CPC F15B1/103 is the Cooperative Patent Classification code for “the separating means being bellows.”
- How many patents are filed under CPC F15B1/103 (the separating means being bellows)?
- Our database includes 94 publications tagged with this CPC code.
- Is patent activity under CPC F15B1/103 growing?
- Publication counts under this code: 5 in 2024 vs 14 in 2025 (latest complete years).