Control device, control method, and system
US-12291048-B2 · May 6, 2025 · US
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Indicating devices, e.g. counters
Indicating devices, e.g. counters · 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 | B41L39/02 |
| Official title | Indicating devices, e.g. counters |
| Display label | Indicating devices, e.g. counters |
| Total patents | 10 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Control device, control method, and system
US-2024001699-A1 · Jan 4, 2024 · US
Identifying printing substrate types
US-11052682-B2 · Jul 6, 2021 · US
Detecting a level of printable fluid in a container
US-10960658-B2 · Mar 30, 2021 · US
Printing apparatus and printing method
US-10717289-B2 · Jul 21, 2020 · US
Illumination source
US-10621479-B2 · Apr 14, 2020 · US
Illumuniation source
US-2019236421-A1 · Aug 1, 2019 · US
Identifying printing substrate types
US-2019224994-A1 · Jul 25, 2019 · US
Detecting a level of printable fluid in a container
US-2019118527-A1 · Apr 25, 2019 · US
Printing apparatus and printing method
US-2018134043-A1 · May 17, 2018 · US