B43K 19/16
Making non-propelling pencils
Official title: Making non-propelling pencils (making slate-pencil writing-cores B28D)
B43K19/16 (Making non-propelling pencils) appears on 110 US grants and 116 published applications in this corpus.
Search patents in B43K- Granted patents
- 110
- Published applications
- 116
- Assignees
- 57
- Inventors
- 204
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 3 |
| 2003 | 7 | 4 |
| 2004 | 0 | 2 |
| 2005 | 3 | 9 |
| 2006 | 2 | 8 |
| 2007 | 3 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 4 |
| 2010 | 2 | 1 |
| 2011 | 1 | 5 |
| 2012 | 3 | 5 |
| 2013 | 3 | 3 |
| 2014 | 4 | 3 |
| 2015 | 3 | 5 |
| 2016 | 1 | 5 |
| 2017 | 6 | 5 |
| 2018 | 5 | 5 |
| 2019 | 4 | 7 |
| 2020 | 9 | 3 |
| 2021 | 4 | 9 |
| 2022 | 2 | 5 |
| 2023 | 6 | 7 |
| 2024 | 7 | 3 |
| 2025 | 1 | 5 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coloring pencil lead for synthetic pencil based on biopolymers blends28 Jul 2026US 12,691,703 B2Societe BIC
- Shaft body of pencil or cosmetic11 Nov 2025US 12,466,210 B2Mitsubishi Pencil Company, Limited
- Graphite lead or graphite chalk or graphite block, pencil with graphite lead, and method for producing a graphite lead or graphite chalk or graphite block26 Nov 2024US 12,152,158 B2Faber-Castell AG
- Erasable writing compositions24 Sep 2024US 12,097,722 B2Crayola LLC
- Lead casing for pencil, and pencil thereof for writing, drawing, marking, plotting, and coloring27 Aug 2024US 12,070,966 B2Societe BIC
- Systems and methods for recycling waste material from a pencil27 Aug 2026US 2026/0249640 A1
- Core for writing, drawing and/or painting implements and methods for the production thereof9 Jul 2026US 2026/0192591 A1Staedtler SE
- Colored pencil lead, graphite lead, colored or graphite chalk18 Jun 2026US 2026/0167834 A1
- Non-baked pencil lead18 Jun 2026US 2026/0167839 A1Mitsubishi Pencil Company, Limited
- Tinder pencil11 Jun 2026US 2026/0158814 A1Outdoor Element, LLC
Most cited
By later US patents
- Crayon with eraser39US 6,505,984 B2Binney & Smith Inc. · 2003
- Print product on demand38US 6,578,476 B2TLCD Corp. · 2003
- Marker with eraser23US 6,565,275 B2Binney & Smith Inc. · 2003
- Method for making a writing or coloring pencil by triple extrusion and writing or coloring pencil comprising an intermediate protective layer23US 6,572,295 B1Conte · 2003
- Ergonomic writing instrument22US 6,648,536 B12003