Substrate processing apparatus and method
US-12552151-B2 · Feb 17, 2026 · US
controlling heads of electrostatic type
controlling heads of electrostatic type · 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 | B41J2/04576 |
| Official title | {controlling heads of electrostatic type} |
| Display label | controlling heads of electrostatic type |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrohydrodynamic inkjet printing devices, systems, and methods
US-2025381776-A1 · Dec 18, 2025 · US
Printer with gas extraction of printing fluid from printing nozzle
US-12330417-B2 · Jun 17, 2025 · US
Printing apparatus, printing method and non-transitory computer-readable medium storing program regarding printing method
US-12053983-B2 · Aug 6, 2024 · US
Printing appratus, method of controlling printing appratus, and non-transitory computer-readable medium containing computer-executable instructions
US-2024253377-A1 · Aug 1, 2024 · US
Substrate processing apparatus and method
US-2024149582-A1 · May 9, 2024 · US
Arrayed electrohydrodynamic printhead without extraction electrodes
US-11850849-B2 · Dec 26, 2023 · US
Inkjet printer
US-11845273-B2 · Dec 19, 2023 · US
System and method for characterizing liquid metal drops jetted from a 3D printer using a strobe light
US-11808680-B2 · Nov 7, 2023 · US
Arrayed electrohydrodynamic printhead without extraction electrodes
US-2023339227-A1 · Oct 26, 2023 · US
Liquid ejection device
US-2023286007-A1 · Sep 14, 2023 · US
Printer with gas extraction of printing fluid from printing nozzle
US-2023122430-A1 · Apr 20, 2023 · US
Printing apparatus, printing method and non-transitory computer-readable medium storing program regarding printing method
US-2023100055-A1 · Mar 30, 2023 · US
Printer with gas extraction of printing fluid from printing nozzle
US-11548277-B2 · Jan 10, 2023 · US
System and method for characterizing liquid metal drops jetted from a 3d printer using a strobe light
US-2022381666-A1 · Dec 1, 2022 · US
Inkjet Printer
US-2022363054-A1 · Nov 17, 2022 · US
Fluid ejection device
US-11230097-B2 · Jan 25, 2022 · US
Aerosol printing of specialty fluids
US-2021008880-A1 · Jan 14, 2021 · US
Fluid ejection device
US-2020223225-A1 · Jul 16, 2020 · US
Fluid ejection device
US-10632743-B2 · Apr 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2/04576?
- CPC B41J2/04576 is the Cooperative Patent Classification code for “controlling heads of electrostatic type.”
- How many patents are filed under CPC B41J2/04576 (controlling heads of electrostatic type)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B41J2/04576 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).