Water-based ink composition and method of discharging liquid droplet
US-2017369723-A1 · Dec 28, 2017 · US
generating single droplets or particles on demand
generating single droplets or particles on demand · 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 | B41J2/04 |
| Official title | generating single droplets or particles on demand |
| Display label | generating single droplets or particles on demand |
| Total patents | 323 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 18 |
| 2017 | 26 |
| 2018 | 52 |
| 2019 | 33 |
| 2020 | 32 |
| 2021 | 37 |
| 2022 | 27 |
| 2023 | 38 |
| 2024 | 19 |
| 2025 | 20 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mems device, liquid ejecting head, and liquid ejecting apparatus
US-2017313074-A1 · Nov 2, 2017 · US
High viscosity jetting method
US-2017282555-A1 · Oct 5, 2017 · US
Image recording apparatus
US-9776432-B2 · Oct 3, 2017 · US
Fluid ejection device
US-2017252769-A1 · Sep 7, 2017 · US
Method and apparatus to reduce ink evaporation in printhead nozzles
US-2017225473-A1 · Aug 10, 2017 · US
Automated devices, systems, and methods for the fabrication of tissue
US-2017199507-A1 · Jul 13, 2017 · US
Droplet Deposition Apparatus and Method for Manufacturing the Same
US-2017120594-A1 · May 4, 2017 · US
Printing apparatus and printing method
US-2017120640-A1 · May 4, 2017 · US
Apparatus and Method for Printing Multilayer Organic Thin Films from Vapor Phase in an Ultra-Pure Gas Ambient
US-2017101711-A1 · Apr 13, 2017 · US
Nail shape acquiring device, drawing apparatus, method for controlling nail shape acquiring device, and computer-readable recording medium storing program for controlling nail shape acquiring device
US-2017079402-A1 · Mar 23, 2017 · US
Conductive compositions comprising metal carboxylates
US-2017073529-A1 · Mar 16, 2017 · US
Liquid ejecting apparatus
US-2017072694-A1 · Mar 16, 2017 · US
Non-newtonian inkjet inks
US-2017051171-A1 · Feb 23, 2017 · US
Droplet deposition apparatus and method for manufacturing the same
US-9566786-B2 · Feb 14, 2017 · US
Jetting device
US-2017028467-A1 · Feb 2, 2017 · US
Printheads with sensor plate impedance measurement
US-2017028738-A1 · Feb 2, 2017 · US
Method of aqueous inkjet ink printing
US-9556347-B1 · Jan 31, 2017 · US
Image Recording Apparatus
US-2017008309-A1 · Jan 12, 2017 · US
Conductive compositions comprising metal carboxylates
US-9540734-B2 · Jan 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2/04?
- CPC B41J2/04 is the Cooperative Patent Classification code for “generating single droplets or particles on demand.”
- How many patents are filed under CPC B41J2/04 (generating single droplets or particles on demand)?
- Our database includes 323 publications tagged with this CPC code.
- Is patent activity under CPC B41J2/04 growing?
- Publication counts under this code: 19 in 2024 vs 20 in 2025 (latest complete years).