Pen with multiple colors
US-11529824-B2 · Dec 20, 2022 · US
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pressurised, e.g. by gas
pressurised, e.g. by gas · 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 | B43K7/03 |
| Official title | pressurised, e.g. by gas |
| Display label | pressurised, e.g. by gas |
| Total patents | 11 |
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 |
| 2017 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Position indicator
US-11465436-B2 · Oct 11, 2022 · US
Pen with multiple colors
US-2021387470-A1 · Dec 16, 2021 · US
Position indicator
US-2021291580-A1 · Sep 23, 2021 · US
Free ink writing instrument with microfluidic valve
US-11117415-B2 · Sep 14, 2021 · US
Free ink writing instrument with microfluidic valve
US-2020207144-A1 · Jul 2, 2020 · US
Ballpoint dry-erase marker
US-2020101786-A1 · Apr 2, 2020 · US
Transitorially erasable ink compositions and writing instruments containing same
US-9809722-B2 · Nov 7, 2017 · US
Writing instrument
US-9636940-B2 · May 2, 2017 · US
Transitorially Erasable Ink Compositions And Writing Instruments Containing Same
US-2017002217-A1 · Jan 5, 2017 · US
Writing instrument
US-2015298489-A1 · Oct 22, 2015 · US