B43K 1/01
Nibs: with ink reservoirs
Official title: with ink reservoirs, e.g. funnel-shaped
B43K1/01 (Nibs: with ink reservoirs) appears on 21 US grants and 25 published applications in this corpus.
Search patents in B43K- Granted patents
- 21
- Published applications
- 25
- Assignees
- 17
- Inventors
- 48
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 4 |
| 2020 | 2 | 5 |
| 2021 | 3 | 2 |
| 2022 | 3 | 3 |
| 2023 | 1 | 3 |
| 2024 | 3 | 0 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Porous cap felt pen25 Nov 2025US 12,479,232 B2BIC Violex Single Member S.A.
- Writing implement1 Jul 2025US 12,344,025 B1
- Dry erase inks, and associated methods and writing instruments24 Jun 2025US 12,338,352 B2Sanford, L. P.
- Double-head marker pen18 Jun 2024US 12,011,948 B2China First Pencil Co., Ltd.
- Nib for writing felt pen12 Mar 2024US 11,926,171 B2Societe BIC
- Smart pen2 Jul 2026US 2026/0184101 A1The Codder Co., Ltd.
- Porous cap felt pen30 Jan 2025US 2025/0033401 A1BIC Violex Single Member S.A.
- Double-head marker pen23 Nov 2023US 2023/0373237 A1China First Pencil Co., Ltd.
- Enhanced gradient marker creating various tones26 Jan 2023US 2023/0024451 A1
- Wicking nib device and system26 Jan 2023US 2023/0027704 A1Crayola LLC
Most cited
By later US patents
- Ink-based marking device having a multi-component nib structure4US 11,279,165 B2Crayola LLC · 2022
- Wicking nib device and system3US 11,472,219 B2Crayola LLC · 2022
- Liquid dispenser with discharge sponge2US 11,109,659 B2Aptar Radolfzell GmbH · 2021
- Surgical marker2US 9,815,317 B22017
- Surgical marker1US 10,675,909 B22020