B43L 19/00
Erasers, rubbers, or erasing devices
Official title: Erasers, rubbers, or erasing devices; Holders therefor (rubbers or erasing knives combined with writing implements B43K29/02, B43K29/18)
B43L19/00 (Erasers, rubbers, or erasing devices) appears on 315 US grants and 318 published applications in this corpus.
Search patents in B43L- Granted patents
- 315
- Published applications
- 318
- Assignees
- 131
- Inventors
- 560
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 1 |
| 2003 | 2 | 11 |
| 2004 | 6 | 14 |
| 2005 | 8 | 15 |
| 2006 | 8 | 19 |
| 2007 | 8 | 27 |
| 2008 | 8 | 21 |
| 2009 | 9 | 17 |
| 2010 | 12 | 18 |
| 2011 | 12 | 20 |
| 2012 | 16 | 11 |
| 2013 | 15 | 12 |
| 2014 | 14 | 14 |
| 2015 | 8 | 16 |
| 2016 | 13 | 9 |
| 2017 | 12 | 11 |
| 2018 | 8 | 12 |
| 2019 | 8 | 12 |
| 2020 | 12 | 17 |
| 2021 | 10 | 5 |
| 2022 | 8 | 12 |
| 2023 | 8 | 4 |
| 2024 | 12 | 10 |
| 2025 | 7 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B43L 19/0056Holders for erasers158
- B43L 19/0018Erasers, rubbers, or erasing devices: with fluids98
- B43L 19/0025Eraser or rubber material41
- B43L 19/0006Motor-driven18
- B43L 19/0087Assembling, repairing or finishing erasers10
- B43L 19/04Fibrous erasers6
- B43L 19/0043Erasing by electronic or electrolytic means5
- B43L 19/005Finger mounted erasers5
All 11 subgroupsShow fewer
Recent patents
- Reusable notebook and methods thereof30 Sep 2025US 12,429,958 B2Societe BIC
- Efficient ink erasure system2 Sep 2025US 12,403,719 B2BIC Violex Single Member S.A.
- Utility holder for a metal whiteboard15 Jul 2025US 12,358,318 B2Polyvision, Naamloze Vennootschap
- Reusable notebook including a sheet having a printed code and methods thereof27 May 2025US 12,314,484 B2Societe BIC
- Thermochromic writing instrument15 Apr 2025US 12,275,269 B2Kabushiki Kaisha Pilot Corporation
- Heat erasable eraser17 Sep 2026US 2026/0273991 A1Guangzhou Youxiang Cultural Supplies Co.,Ltd
- Eraser coated with polysaccharide18 Jun 2026US 2026/0166912 A1Societe BIC
- 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)
- Transfer tool10 Jul 2025US 2025/0223127 A1Kokuyo Co., Ltd.
Most cited
By later US patents
- Marker/anti-marker system94US 3,941,488 A1976
- Applicator device52US 4,685,820 APittway Corporation · 1987
- Kit comprising multicolored fluid dispenser markers together with eradicating fluid dispenser, stamps and stamp pad43US 4,681,471 AAll-Mark Corporation, Inc. · 1987
- Ball point pen, ink and its eradicator system39US 4,213,717 ABurroughs Corporation · 1980
- Ball point pen, ink, and its eradicator system38US 4,227,930 ABurroughs Corporation · 1980