Bellows pump device
US-12553429-B2 · Feb 17, 2026 · US
the tubular member being deformed by stretching or distortion
the tubular member being deformed by stretching or distortion · 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 | F04B43/084 |
| Official title | {the tubular member being deformed by stretching or distortion} |
| Display label | the tubular member being deformed by stretching or distortion |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Torsion pump and apparatus for supplying chemical liquid
US-12460627-B2 · Nov 4, 2025 · US
Torsion pump and chemical liquid supply unit
US-12429042-B2 · Sep 30, 2025 · US
Bellows pump for liquid metals
US-12392336-B2 · Aug 19, 2025 · US
Pump, chemical liquid supplying unit, and substrate treating apparatus
US-12331736-B2 · Jun 17, 2025 · US
Longitudinal impedance pump
US-12326143-B2 · Jun 10, 2025 · US
Liquid supply device
US-2025146485-A1 · May 8, 2025 · US
Pump for article of footwear or apparel
US-2025092869-A1 · Mar 20, 2025 · US
Pump for article of footwear or apparel
US-12188466-B2 · Jan 7, 2025 · US
Bellows pump for liquid metals
US-2024309862-A1 · Sep 19, 2024 · US
Water pump and pumping device
US-12060871-B2 · Aug 13, 2024 · US
Longitudinal impedance pump
US-2024167467-A1 · May 23, 2024 · US
Bellows pump device
US-2024044325-A1 · Feb 8, 2024 · US
Bellows pressure relief valve
US-11703047-B2 · Jul 18, 2023 · US
Torsion pump and apparatus for supplying chemical liquid
US-2023197471-A1 · Jun 22, 2023 · US
Water pump and pumping device
US-2023131498-A1 · Apr 27, 2023 · US
Torsion pump and chemical liquid supply unit
US-2023131569-A1 · Apr 27, 2023 · US
Pump
US-2023089643-A1 · Mar 23, 2023 · US
Pump, chemical liquid supplying unit, and substrate treating apparatus
US-2023072779-A1 · Mar 9, 2023 · US
Torsion pump, chemical liquid supplying apparatus, and substrate treating apparatus
US-2023060309-A1 · Mar 2, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B43/084?
- CPC F04B43/084 is the Cooperative Patent Classification code for “the tubular member being deformed by stretching or distortion.”
- How many patents are filed under CPC F04B43/084 (the tubular member being deformed by stretching or distortion)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC F04B43/084 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).