B26B 21/54
Razor-blades
Official title: Razor-blades {(B26B21/4006 takes precedence)}
B26B21/54 (Razor-blades) appears on 378 US grants and 484 published applications in this corpus.
Search patents in B26B- Granted patents
- 378
- Published applications
- 484
- Assignees
- 101
- Inventors
- 626
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 6 |
| 2004 | 3 | 12 |
| 2005 | 4 | 17 |
| 2006 | 6 | 15 |
| 2007 | 4 | 24 |
| 2008 | 2 | 9 |
| 2009 | 6 | 5 |
| 2010 | 7 | 17 |
| 2011 | 7 | 19 |
| 2012 | 3 | 12 |
| 2013 | 9 | 14 |
| 2014 | 9 | 18 |
| 2015 | 8 | 8 |
| 2016 | 12 | 16 |
| 2017 | 9 | 21 |
| 2018 | 13 | 34 |
| 2019 | 19 | 22 |
| 2020 | 20 | 30 |
| 2021 | 23 | 33 |
| 2022 | 18 | 31 |
| 2023 | 19 | 32 |
| 2024 | 17 | 44 |
| 2025 | 22 | 24 |
| 2026 | 14 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Razor cartridges18 Aug 2026US 12,709,035 B2Nfs Capital, LLC
- Intelligent shaving system having sensors18 Aug 2026US 12,709,036 B2
- Razor blade and manufacturing method thereof28 Jul 2026US 12,691,601 B2Dorco Co., Ltd.
- Razor cartridge14 Jul 2026US 12,678,985 B2Dorco Co., Ltd.
- Coatings for a razor blade16 Jun 2026US 12,654,347 B2The Gillette Company
- Razor blade comprising parylene c and parylene n1 Oct 2026US 2026/0295877 A1BIC Violex Single Member S.A.
- Razor blade comprising a parylene and titanium1 Oct 2026US 2026/0295878 A1BIC Violex Single Member S.A.
- Method of coating a razor blade24 Sep 2026US 2026/0284913 A1The Gillette Company
- Coatings for a razor blade24 Sep 2026US 2026/0284914 A1The Gillette Company
- Nitro-diamond-like-carbon coating on shaving blade tips17 Sep 2026US 2026/0273785 A1Dollar Shave Club, Inc.
Most cited
By later US patents
- Four blade bi-directional razor structure with flexible guard system163US 6,161,288 A2000
- Razor blade technology112US 6,684,513 B1The Gillette Company · 2004
- Bi-directional razor structures and systems107US 5,522,137 A1996
- Fluorine-doped diamond-like coatings103US 6,468,642 B1NV Bekaert SA · 2002
- In-line razor device with twin pivoting heads95US 6,434,828 B12002