Inflatable pressure absorption wave actuated pump
US-11795904-B2 · Oct 24, 2023 · US
Pumps having fluid drive
Pumps having fluid drive · 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 | F04B45/053 |
| Official title | Pumps having fluid drive |
| Display label | Pumps having fluid drive |
| Total patents | 70 |
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 | 8 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Diaphragm pump
US-11767840-B2 · Sep 26, 2023 · US
Cassette system integrated apparatus
US-2023256148-A1 · Aug 17, 2023 · US
Cassette system integrated apparatus
US-11633526-B2 · Apr 25, 2023 · US
Disposable Alternating Tangential Flow Filtration Units
US-2023093783-A9 · Mar 23, 2023 · US
Single piston foundation bag-in-box (BIB) pump
US-11592013-B2 · Feb 28, 2023 · US
Pneumatic surge suppressor
US-11499543-B2 · Nov 15, 2022 · US
Pneumatic valve
US-2022299129-A1 · Sep 22, 2022 · US
Diaphragm pump
US-2022235757-A1 · Jul 28, 2022 · US
Reduced pressurization shift within diaphragm pump cavity
US-2022196006-A1 · Jun 23, 2022 · US
Single piston foundation bag-in-box (bib) pump
US-2022128048-A1 · Apr 28, 2022 · US
Rolling diaphragm pump
US-11313361-B2 · Apr 26, 2022 · US
Reduced pressurization shift within diaphragm pump cavity
US-11286923-B2 · Mar 29, 2022 · US
Disposable Alternating Tangential Flow Filtration Units
US-2022008803-A1 · Jan 13, 2022 · US
Heat-assisted pumping systems for use in negative pressure wound therapy
US-2022000672-A1 · Jan 6, 2022 · US
Cassette system integrated apparatus
US-2021332813-A1 · Oct 28, 2021 · US
Disposable alternating tangential flow filtration units
US-11156219-B2 · Oct 26, 2021 · US
Drive system for a positive displacement pump
US-2021310475-A1 · Oct 7, 2021 · US
Pneumatic surge suppressor
US-2021310481-A1 · Oct 7, 2021 · US
Heat-assisted pumping systems for use in negative pressure wound therapy
US-11071653-B2 · Jul 27, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B45/053?
- CPC F04B45/053 is the Cooperative Patent Classification code for “Pumps having fluid drive.”
- How many patents are filed under CPC F04B45/053 (Pumps having fluid drive)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC F04B45/053 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).