B43L 19/0056
Holders for erasers
Official title: {Holders for erasers}
B43L19/0056 (Holders for erasers) appears on 158 US grants and 188 published applications in this corpus.
Search patents in B43L- Granted patents
- 158
- Published applications
- 188
- Assignees
- 59
- Inventors
- 279
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 3 | 10 |
| 2005 | 7 | 11 |
| 2006 | 4 | 10 |
| 2007 | 6 | 18 |
| 2008 | 5 | 13 |
| 2009 | 6 | 10 |
| 2010 | 6 | 14 |
| 2011 | 7 | 13 |
| 2012 | 15 | 7 |
| 2013 | 11 | 9 |
| 2014 | 12 | 11 |
| 2015 | 7 | 13 |
| 2016 | 11 | 6 |
| 2017 | 7 | 4 |
| 2018 | 4 | 9 |
| 2019 | 5 | 8 |
| 2020 | 9 | 8 |
| 2021 | 7 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 5 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Utility holder for a metal whiteboard15 Jul 2025US 12,358,318 B2Polyvision, Naamloze Vennootschap
- Writing instrument for erasing handwritten content12 Nov 2024US 12,138,951 B1Crown Ballpen Co., Ltd.
- Retractable element for a writing implement22 Oct 2024US 12,122,181 B2Societe BIC
- Writing instruments27 Aug 2024US 12,070,968 B2Societe BIC
- Soft member attachment structure and thermochromic writing instrument5 Mar 2024US 11,919,324 B2Kabushiki Kaisha Pilot Corporation
- Multi-core writing implement5 Mar 2026US 2026/0061771 A1Kabushiki Kaisha Pilot Corporation
- Attachment structure in writing instrument, writing instrument, and soft member30 Oct 2025US 2025/0332858 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Method, Product, and Kit, Glued Eraser Tips, or Glued Eraser Attachments to Pencils and Writing Instruments19 Jun 2025US 2025/0196528 A1
- Writing instruments21 Mar 2024US 2024/0092116 A1Societe BIC
- Eraser case1 Feb 2024US 2024/0034090 A1Plus Corporation
Most cited
By later US patents
- Marking and eradicating instrument and method of use of same37US 6,179,501 B22001
- Marker eraser system30US 7,350,995 B12008
- Self-righting handheld utensil26US 9,668,598 B2Vartian Corp. · 2017
- Side knock type feeding mechanism24US 7,217,054 B2Kotobuki Printing Co., Ltd. · 2007
- Creativity center apparatus and method for use22US 6,164,976 AMattel, Inc. · 2000