Fluidic micro electromechanical system
US-2018372243-A1 · Dec 27, 2018 · US
Heads having a valve
Heads having a valve · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B41J2202/05 |
| Official title | Heads having a valve |
| Display label | Heads having a valve |
| Total patents | 226 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 26 |
| 2018 | 40 |
| 2019 | 31 |
| 2020 | 29 |
| 2021 | 24 |
| 2022 | 16 |
| 2023 | 17 |
| 2024 | 12 |
| 2025 | 19 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flow path member and liquid ejecting apparatus
US-10155391-B2 · Dec 18, 2018 · US
Fluid ejection device
US-10144031-B2 · Dec 4, 2018 · US
Printer having printhead extending and retracting through maintenance module
US-10144232-B2 · Dec 4, 2018 · US
Printhead capping system and drain shaft arrangement
US-10124616-B2 · Nov 13, 2018 · US
Methods and apparatus to reduce ink evaporation in printhead nozzles
US-2018319168-A1 · Nov 8, 2018 · US
Fluid ejection device
US-10105946-B2 · Oct 23, 2018 · US
Control method and apparatus for dispensing high-quality drops of high-viscosity materials
US-10099238-B2 · Oct 16, 2018 · US
Printing unit having fixed frame supporting independently movable capper and wiper
US-10099493-B2 · Oct 16, 2018 · US
Liquid Ejecting Apparatus
US-2018281409-A1 · Oct 4, 2018 · US
Liquid ejecting apparatus and liquid ejection method
US-2018281411-A1 · Oct 4, 2018 · US
Valve unit, liquid ejecting head, liquid ejecting apparatus, method of producing valve unit, method of producing liquid ejecting head, and method of producing liquid ejecting apparatus
US-2018272736-A1 · Sep 27, 2018 · US
Print module for modular printer having replaceable printhead cartridges
US-10081204-B2 · Sep 25, 2018 · US
Printhead maintenance system with cap cover
US-10081205-B2 · Sep 25, 2018 · US
Printer having L-shaped maintenance modules for plurality of printheads
US-10076917-B2 · Sep 18, 2018 · US
Print module with air exhaust opposite ink ejection direction
US-2018257410-A1 · Sep 13, 2018 · US
Valve jet printer with inert plunger tip
US-10059098-B2 · Aug 28, 2018 · US
Inkjet recording apparatus capable of preventing backflow of ink
US-2018236775-A1 · Aug 23, 2018 · US
Method and apparatus to reduce ink evaporation in printhead nozzles
US-10040291-B2 · Aug 7, 2018 · US
Print module with air cooling arrangement
US-10005299-B2 · Jun 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2202/05?
- CPC B41J2202/05 is the Cooperative Patent Classification code for “Heads having a valve.”
- How many patents are filed under CPC B41J2202/05 (Heads having a valve)?
- Our database includes 226 publications tagged with this CPC code.
- Is patent activity under CPC B41J2202/05 growing?
- Publication counts under this code: 12 in 2024 vs 19 in 2025 (latest complete years).