Fluid control apparatus
US-12140134-B2 · Nov 12, 2024 · US
Flap valves
Flap valves · 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 | F04B53/1037 |
| Official title | {Flap valves} |
| Display label | Flap valves |
| Total patents | 43 |
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 | 4 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 8 |
| 2024 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cleaning device
US-12128854-B2 · Oct 29, 2024 · US
Radial piston pump, and process for manufacturing a radial piston pump
US-2024240633-A1 · Jul 18, 2024 · US
Piston of air compressor
US-11905945-B2 · Feb 20, 2024 · US
Valve assembly for a reciprocating compressor
US-11885325-B2 · Jan 30, 2024 · US
Thin MEMS pump with membrane and valve lip structure
US-11835041-B2 · Dec 5, 2023 · US
Air compressor
US-11828278-B2 · Nov 28, 2023 · US
Anti-spin control for an electric submersible pump permanent magnet motor
US-2023374982-A1 · Nov 23, 2023 · US
Condiment Dispenser
US-2023309756-A1 · Oct 5, 2023 · US
Piston of air compressor
US-11761437-B2 · Sep 19, 2023 · US
Cleaning device
US-2023088016-A1 · Mar 23, 2023 · US
Flexible pump based on dielectric elastomer material
US-2023047195-A1 · Feb 16, 2023 · US
Pump and fluid control apparatus
US-11566615-B2 · Jan 31, 2023 · US
Air stop sheet of piston of cylinder
US-2022341410-A1 · Oct 27, 2022 · US
Piston of air compressor
US-2022333591-A1 · Oct 20, 2022 · US
Air compressor
US-2022333590-A1 · Oct 20, 2022 · US
Piston of air compressor
US-2022333588-A1 · Oct 20, 2022 · US
Cantilever-type pump for an oral irrigator
US-2022257355-A1 · Aug 18, 2022 · US
Valve assembly for a reciprocating compressor
US-2022145877-A1 · May 12, 2022 · US
Fluid control apparatus
US-2022120268-A1 · Apr 21, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B53/1037?
- CPC F04B53/1037 is the Cooperative Patent Classification code for “Flap valves.”
- How many patents are filed under CPC F04B53/1037 (Flap valves)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC F04B53/1037 growing?
- Publication counts under this code: 8 in 2023 vs 5 in 2024 (latest complete years).