B43K 8/14
Pens with writing-points other than nibs or balls: with coreless tubular writing-points
Official title: with coreless tubular writing-points
B43K8/14 (Pens with writing-points other than nibs or balls: with coreless tubular writing-points) appears on 23 US grants and 35 published applications in this corpus.
Search patents in B43K- Granted patents
- 23
- Published applications
- 35
- Assignees
- 23
- Inventors
- 82
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 7 |
| 2020 | 3 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 0 |
| 2024 | 1 | 4 |
| 2025 | 3 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Writing instrument22 Jul 2025US 12,365,197 B2C. Josef Lamy GmbH
- Liquid storage member for coating tools15 Apr 2025US 12,275,215 B2Mitsubishi Pencil Company, Limited
- Variable color shade marker18 Mar 2025US 12,251,959 B2BIC Violex Single Member S.A.
- Heterogeneous fiber fluid reservoirs9 Jan 2024US 11,865,857 B2Porex Technologies Corp.
- Liquid storage member for coating tools10 Oct 2023US 11,780,258 B2Mitsubishi Pencil Company, Limited
- Plug structure, liquid cartridge, and pen30 Apr 2026US 2026/0116118 A1Lion Pencil Co., Ltd.
- Attachment structure in writing instrument, writing instrument, and soft member30 Oct 2025US 2025/0332858 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Ink storage member for writing implements9 Oct 2025US 2025/0313034 A1Mitsubishi Pencil Company, Limited
- Sharp type paint marker pen2 Oct 2025US 2025/0303778 A1Mungyo Ons Corporation
- Writing implement refill and method of engraving writing implement refill10 Apr 2025US 2025/0115072 A1Mitsubishi Pencil Company, Limited
Most cited
By later US patents
- Application implement6US 6,503,016 B2A. W. Faber-Castell Unternehmensverwaltung GmbH & Co. · 2003
- Optical proximity sensor for a liquid-jet instrument, and a liquid-jet instrument equipped with such a sensor6US 7,485,842 B2Societe BIC · 2009
- Multiangular pen2US 4,986,684 A1991
- Multiangular pen2US 4,986,686 A1991
- Multiangular pen2US 5,015,113 A1991