Bellows pump device
US-12553429-B2 · Feb 17, 2026 · 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 | F04B43/10 |
| Official title | Pumps having fluid drive |
| Display label | Pumps having fluid drive |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Pump, chemical supply unit, and substrate treatment apparatus
US-2026022693-A1 · Jan 22, 2026 · US
Pump, apparatus for supplying chemical liquid and apparatus for processing substrate
US-12366239-B2 · Jul 22, 2025 · US
Vial supporter for medicament pump
US-2025195748-A1 · Jun 19, 2025 · US
Vial supporter for medicament pump
US-12263324-B2 · Apr 1, 2025 · US
Water pump and pumping device
US-12060871-B2 · Aug 13, 2024 · US
Bellows pump device
US-11920580-B2 · Mar 5, 2024 · US
Bellows pump device
US-2024044325-A1 · Feb 8, 2024 · US
Pump, apparatus for supplying chemical liquid and apparatus for processing substrate
US-2023313791-A1 · Oct 5, 2023 · US
Water pump and pumping device
US-2023131498-A1 · Apr 27, 2023 · US
Bellows pump device
US-2022341414-A1 · Oct 27, 2022 · US
Device and method for circulating liquids
US-11434882-B2 · Sep 6, 2022 · US
Mechanical tubular diaphragm pump having a housing with upstream and downstream check valves fixed thereto at either end of a resilient tube forming a fluid pathway wherein the tube is depressed by a depressor configured to be moved by a motorized reciprocating unit
US-11391272-B2 · Jul 19, 2022 · US
Heat insulating vessel for low temperature liquefied gas pump
US-11339799-B2 · May 24, 2022 · US
Tube body and pumping device
US-11333142-B2 · May 17, 2022 · US
Device and method for circulating liquids
US-2021332815-A1 · Oct 28, 2021 · US
Vial supporter for medicament pump
US-2021178054-A1 · Jun 17, 2021 · US
Vial supporter for medicament pump
US-10926025-B2 · Feb 23, 2021 · US
Pumping apparatus, treatment solution supplying device, substrate treating apparatus, liquid draining method, and liquid replacing method
US-10920764-B2 · Feb 16, 2021 · US
Actuating mechanisms for manual dispensers
US-10869580-B2 · Dec 22, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B43/10?
- CPC F04B43/10 is the Cooperative Patent Classification code for “Pumps having fluid drive.”
- How many patents are filed under CPC F04B43/10 (Pumps having fluid drive)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC F04B43/10 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).