Dosing pump
US-10859070-B2 · Dec 8, 2020 · US
with double-acting pistons
with double-acting pistons · 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 | F04B5/02 |
| Official title | with double-acting pistons |
| Display label | with double-acting pistons |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 17 |
| 2020 | 18 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydraulic pressure amplifier
US-2020332781-A1 · Oct 22, 2020 · US
Ventilation apparatus and uses thereof
US-10792459-B2 · Oct 6, 2020 · US
Double acting two stage integrated pump
US-2020309103-A1 · Oct 1, 2020 · US
Piston Pump
US-2020309117-A1 · Oct 1, 2020 · US
Disposable Dual-Action Reciprocating Pump Assembly
US-2020208617-A1 · Jul 2, 2020 · US
Using Silicone O-Rings in Dual Action Irrigation Pump
US-2020208627-A1 · Jul 2, 2020 · US
Irrigation Pump with Ablation and Non-Ablation Operational Modes
US-2020206410-A1 · Jul 2, 2020 · US
Spray system pressure differential monitoring
US-10688509-B2 · Jun 23, 2020 · US
Compression device having connection unit for cooling unit
US-10677235-B2 · Jun 9, 2020 · US
Piston head retaining system
US-10584699-B2 · Mar 10, 2020 · US
Device comprising an axial piston pump for applying a fluid product to a substrate
US-2020047213-A1 · Feb 13, 2020 · US
Ophthalmic microsurgical tools, systems, and methods of use
US-2019365567-A1 · Dec 5, 2019 · US
Remote adhesive monitoring system
US-10421097-B2 · Sep 24, 2019 · US
High pressure generator with bidirectional check valves controlling overpressure
US-10422326-B2 · Sep 24, 2019 · US
Proportioning cylinder for spray system
US-10413924-B2 · Sep 17, 2019 · US
Ground striper pump piston having dual checks
US-2019264401-A1 · Aug 29, 2019 · US
Piston head retaining system
US-2019242377-A1 · Aug 8, 2019 · US
Spray system pressure differential monitoring
US-2019224700-A1 · Jul 25, 2019 · US
Spray system pump wash sequence
US-2019217323-A1 · Jul 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B5/02?
- CPC F04B5/02 is the Cooperative Patent Classification code for “with double-acting pistons.”
- How many patents are filed under CPC F04B5/02 (with double-acting pistons)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC F04B5/02 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).