Liquid discharge head and production method of liquid discharge head
US-2026001344-A1 · Jan 1, 2026 · US
Production of print heads with thermal bend detached actuators
Production of print heads with thermal bend detached actuators · 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 | B41J2/1648 |
| Official title | {Production of print heads with thermal bend detached actuators} |
| Display label | Production of print heads with thermal bend detached actuators |
| Total patents | 60 |
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 | 28 |
| 2016 | 14 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermal bend actuator having improved lifetime
US-11691421-B2 · Jul 4, 2023 · US
Thermal bend actuator having improved lifetime
US-2022242122-A1 · Aug 4, 2022 · US
On-die actuator failure detection
US-10800166-B2 · Oct 13, 2020 · US
On-die actuator failure detection
US-2020189265-A1 · Jun 18, 2020 · US
Liquid ejection head and method for manufacturing the same
US-10363740-B2 · Jul 30, 2019 · US
Liquid ejection head and method for manufacturing the same
US-2018201018-A1 · Jul 19, 2018 · US
Method of manufacturing liquid supply unit and method of manufacturing liquid ejecting head
US-2018141247-A1 · May 24, 2018 · US
Head module and liquid jetting apparatus including the same
US-2018022085-A1 · Jan 25, 2018 · US
Chip layout to enable multiple heater chip vertical resolutions
US-9802404-B2 · Oct 31, 2017 · US
Thermal inkjet printhead
US-9782969-B2 · Oct 10, 2017 · US
Thermal Inkjet Printhead
US-2017190178-A1 · Jul 6, 2017 · US
Thermal inkjet printhead
US-9630410-B2 · Apr 25, 2017 · US
Inkjet printer having ink distribution stack for receiving ink from ink ducting structure
US-9597880-B2 · Mar 21, 2017 · US
Handheld imaging device incorporating multi-core image processor
US-9584681-B2 · Feb 28, 2017 · US
Handheld imaging device with VLIW image processor
US-9560221-B2 · Jan 31, 2017 · US
Inkjet nozzle device with roof actuator connected to lateral drive circuitry
US-9550359-B2 · Jan 24, 2017 · US
Multi-core image processor for portable device
US-9544451-B2 · Jan 10, 2017 · US
Method for processing silicon substrate
US-9511588-B2 · Dec 6, 2016 · US
Thermal inkjet printhead stack with amorphous thin metal protective layer
US-9511585-B2 · Dec 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B41J2/1648?
- CPC B41J2/1648 is the Cooperative Patent Classification code for “Production of print heads with thermal bend detached actuators.”
- How many patents are filed under CPC B41J2/1648 (Production of print heads with thermal bend detached actuators)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC B41J2/1648 growing?
- Publication counts under this code: 1 in 2022 vs 1 in 2023 (latest complete years).