Writing instrument
US-2023364936-A1 · Nov 16, 2023 · US
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with hand tools, e.g. erasing knives (with pocket knives B26B)
with hand tools, e.g. erasing knives (with pocket knives B26B) · 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 | B43K29/18 |
| Official title | with hand tools, e.g. erasing knives (with pocket knives B26B) |
| Display label | with hand tools, e.g. erasing knives (with pocket knives B26B) |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manual device with two retractable heads carried by a single carriage
US-10836205-B2 · Nov 17, 2020 · US
Hand-held device, in particular a writing instrument, provided with a blocking device
US-2019291501-A1 · Sep 26, 2019 · US
Manual device with two retractable heads carried by a single carriage
US-2019275828-A1 · Sep 12, 2019 · US
Manual device including a removable endpiece for a capacitive screen
US-10185410-B2 · Jan 22, 2019 · US
Input device for electronic device and input method using the same
US-9575572-B2 · Feb 21, 2017 · US
Manual device including a removable endpiece for a capacitive screen
US-2016370888-A1 · Dec 22, 2016 · US
Input device for electronic device
US-2016313815-A1 · Oct 27, 2016 · US
Polysilicon-based thin film transistor
US-9136353-B2 · Sep 15, 2015 · US
Combination pen refill cartridge and active stylus
US-9129180-B2 · Sep 8, 2015 · US
Input device for electronic device and input method using the same
US-2015015499-A1 · Jan 15, 2015 · US