B26B 21/42
For cutting hair of preselected or variable length
Official title: for cutting hair of preselected or variable length (combs, stencils or guides specially adapted for hair trimming devices A45D24/36)
B26B21/42 (For cutting hair of preselected or variable length) appears on 33 US grants and 47 published applications in this corpus.
Search patents in B26B- Granted patents
- 33
- Published applications
- 47
- Assignees
- 14
- Inventors
- 73
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 7 |
| 2020 | 3 | 6 |
| 2021 | 4 | 3 |
| 2022 | 3 | 4 |
| 2023 | 2 | 4 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Razor cartridge14 Jul 2026US 12,678,985 B2Dorco Co., Ltd.
- Razor cartridge8 Jul 2025US 12,350,850 B2The Gillette Company
- Intimate area thinning razor2 Apr 2024US 11,945,129 B2Kai R&D Center Co., Ltd.
- Double-sided comb for a hair-cutting device5 Mar 2024US 11,919,181 B2Koninklijke Philips N. V.
- Method of assembling a razor cartridge24 Oct 2023US 11,794,363 B2The Gillette Company
- Razor cartridge2 Oct 2025US 2025/0303596 A1The Gillette Company
- Razor with intermittent encapsulation of embedded blades26 Sep 2024US 2024/0316809 A1Rk Inventions, LLC
- Hair cutter cap and hair cutter with cap15 Feb 2024US 2024/0051162 A1Koninklijke Philips N. V.
- Intimate area thinning razor15 Feb 2024US 2024/0051166 A1Kai R&D Center Co., Ltd.
- Razor cartridge26 Oct 2023US 2023/0339131 A1The Gillette Company
Most cited
By later US patents
- Removable comb attachment for disposable razors55US 5,386,750 A1995
- Hair trimming tool49US 4,663,841 A1987
- Back hair removal using comb and integrated blade48US 8,739,411 B22014
- Shaving razor comb guard for a trimming blade45US 8,782,903 B2The Gillette Company · 2014
- Hair trimming devices31US 4,441,252 A1984