B43K 29/06
Combinations of writing implements with other articles: with sharpening devices
Official title: with sharpening devices (with erasing knives B43K29/18; pocket knives with pencils B26B)
B43K29/06 (Combinations of writing implements with other articles: with sharpening devices) appears on 34 US grants and 21 published applications in this corpus.
Search patents in B43K- Granted patents
- 34
- Published applications
- 21
- Assignees
- 15
- Inventors
- 51
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cosmetic pencil cap with sharpener and waste container30 Jan 2024US 11,882,917 B1Modernmavenz
- Crayon storing and dispensing device9 Aug 2022US 11,407,247 B2Crayola LLC
- Three-way marker for sewing23 Feb 2021US 10,926,575 B2Dpg USA Inc.
- Pencil sharpener5 Feb 2019US 10,195,893 B2
- Scratching device with integrated light26 Dec 2017US 9,849,371 B1HT Enterprises, Inc.
- Pen having a knife sharpener5 Jun 2025US 2025/0178374 A1
- Crayon storing and dispensing device16 Sep 2021US 2021/0283942 A1Crayola LLC
- Three-Way Marker for Sewing19 Sep 2019US 2019/0283487 A1Dpg USA Inc.
- Mechanical-pencil cap serving as touch-pen tip and pencil-lead sharpener, and mechanical pencil having the same7 Dec 2017US 2017/0348998 A1Dream Office Co., Ltd.
- Pencil sharpener7 Sep 2017US 2017/0253072 A1
Most cited
By later US patents
- Pencil sharpener28US 4,755,074 A1988
- Utility pen-knife22US 5,557,818 A1996
- Combined pencil sharpener and pencil stowage apparatus19US 5,599,123 A1997
- Sharpener, specifically for cosmetic sticks14US 4,513,798 AA. Klebes GmbH & Co. K.G. Kunststoff- und Metallwarenfabrik · 1985
- Three-in-one art pack14US 6,974,026 B2T. K. Wong & Associates Ltd. · 2005