Estimation of pen to paper spacing
US-2017368855-A1 · Dec 28, 2017 · US
detecting presence or properties of a dot on paper · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B41J2/04558 |
| Official title | {detecting presence or properties of a dot on paper} |
| Display label | detecting presence or properties of a dot on paper |
| Total patents | 292 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 22 |
| 2017 | 23 |
| 2018 | 24 |
| 2019 | 26 |
| 2020 | 31 |
| 2021 | 45 |
| 2022 | 39 |
| 2023 | 25 |
| 2024 | 23 |
| 2025 | 17 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2017368855-A1 · Dec 28, 2017 · US
US-2017361635-A1 · Dec 21, 2017 · US
US-9834021-B2 · Dec 5, 2017 · US
US-9776425-B2 · Oct 3, 2017 · US
US-9776399-B2 · Oct 3, 2017 · US
US-2017267005-A1 · Sep 21, 2017 · US
US-2017232771-A1 · Aug 17, 2017 · US
US-9724950-B2 · Aug 8, 2017 · US
US-2017217163-A1 · Aug 3, 2017 · US
US-9688066-B2 · Jun 27, 2017 · US
US-2017144463-A1 · May 25, 2017 · US
US-2017120582-A1 · May 4, 2017 · US
US-2017087825-A1 · Mar 30, 2017 · US
US-2017087882-A1 · Mar 30, 2017 · US
US-2017080732-A1 · Mar 23, 2017 · US
US-2017066235-A1 · Mar 9, 2017 · US
US-2017057224-A1 · Mar 2, 2017 · US
US-2017050373-A1 · Feb 23, 2017 · US
US-2017050433-A1 · Feb 23, 2017 · US
US-9573383-B2 · Feb 21, 2017 · US
Answers are generated from the same data shown on this page.