Systems and methods of modulating flow during vapor jet deposition of organic materials
US-2015380648-A1 · Dec 31, 2015 · US
Operations & Transport
Operations & Transport · 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 | B41J2/045 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 616 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 75 |
| 2016 | 40 |
| 2017 | 56 |
| 2018 | 75 |
| 2019 | 78 |
| 2020 | 74 |
| 2021 | 61 |
| 2022 | 55 |
| 2023 | 33 |
| 2024 | 43 |
| 2025 | 24 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piezoelectric inkjet die stack
US-9221247-B2 · Dec 29, 2015 · US
Liquid ejection apparatus
US-9211750-B2 · Dec 15, 2015 · US
Liquid ejection head and liquid ejection apparatus
US-9193154-B2 · Nov 24, 2015 · US
Piezoelectric material, piezoelectric element, liquid ejecting head, liquid ejecting apparatus, ultrasonic sensor, piezoelectric motor, and power generator
US-9190601-B2 · Nov 17, 2015 · US
Process for thermally stable oleophobic low adhesion coating for inkjet printhead front face
US-2015315395-A9 · Nov 5, 2015 · US
Fluid Circulation
US-2015314609-A1 · Nov 5, 2015 · US
Piezoelectric material, piezoelectric element, and electronic device
US-9166140-B2 · Oct 20, 2015 · US
Piezoelectric material, piezoelectric element, and electronic equipment
US-9159903-B2 · Oct 13, 2015 · US
Printing apparatus, printing system, and printing method
US-2015283822-A1 · Oct 8, 2015 · US
Ink jet head and manufacturing method of the same
US-9150008-B2 · Oct 6, 2015 · US
Liquid ejection head
US-9147829-B2 · Sep 29, 2015 · US
Piezoelectric actuator, liquid discharge head, and recording device
US-9144967-B2 · Sep 29, 2015 · US
Liquid ejection head and liquid ejection apparatus
US-9144977-B2 · Sep 29, 2015 · US
Piezoelectric inkjet die stack
US-9144973-B2 · Sep 29, 2015 · US
Printing device
US-9139027-B2 · Sep 22, 2015 · US
Pulsed air-actuated micro-droplet on demand ink jet
US-9137901-B2 · Sep 15, 2015 · US
Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer device
US-9130169-B2 · Sep 8, 2015 · US
Liquid-ejecting head, liquid-ejecting apparatus, and piezoelectric device
US-9114613-B2 · Aug 25, 2015 · US
Piezoelectric unit, liquid ejecting head, and liquid ejecting apparatus
US-9090057-B2 · Jul 28, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2/045?
- CPC B41J2/045 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B41J2/045 (Operations & Transport)?
- Our database includes 616 publications tagged with this CPC code.
- Is patent activity under CPC B41J2/045 growing?
- Publication counts under this code: 43 in 2024 vs 24 in 2025 (latest complete years).