B26B 21/08
Involving changeable blades
Official title: involving changeable blades
B26B21/08 (Involving changeable blades) appears on 1,297 US grants and 1,402 published applications in this corpus.
Search patents in B26B- Granted patents
- 1,297
- Published applications
- 1,402
- Assignees
- 188
- Inventors
- 1,389
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 12 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 12 | 0 |
| 1981 | 23 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 13 | 0 |
| 1985 | 15 | 0 |
| 1986 | 12 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 19 | 0 |
| 1991 | 28 | 0 |
| 1992 | 8 | 0 |
| 1993 | 13 | 0 |
| 1994 | 16 | 0 |
| 1995 | 10 | 0 |
| 1996 | 25 | 0 |
| 1997 | 11 | 0 |
| 1998 | 20 | 0 |
| 1999 | 18 | 0 |
| 2000 | 31 | 0 |
| 2001 | 22 | 9 |
| 2002 | 22 | 27 |
| 2003 | 20 | 26 |
| 2004 | 13 | 35 |
| 2005 | 11 | 39 |
| 2006 | 16 | 43 |
| 2007 | 17 | 50 |
| 2008 | 12 | 39 |
| 2009 | 15 | 42 |
| 2010 | 25 | 42 |
| 2011 | 26 | 48 |
| 2012 | 24 | 36 |
| 2013 | 26 | 28 |
| 2014 | 27 | 36 |
| 2015 | 22 | 50 |
| 2016 | 31 | 54 |
| 2017 | 44 | 85 |
| 2018 | 43 | 97 |
| 2019 | 73 | 114 |
| 2020 | 77 | 69 |
| 2021 | 78 | 97 |
| 2022 | 76 | 71 |
| 2023 | 70 | 66 |
| 2024 | 50 | 78 |
| 2025 | 49 | 75 |
| 2026 | 36 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adapter for razor system8 Sep 2026US 12,728,553 B2BIC Violex Single Member S.A.
- Razor cartridge1 Sep 2026US 12,722,316 B2Dorco Co., Ltd.
- Razor cartridges18 Aug 2026US 12,709,035 B2Nfs Capital, LLC
- Intelligent shaving system having sensors18 Aug 2026US 12,709,036 B2
- Electronic razor with suction11 Aug 2026US 12,703,118 B2Bobsweep USA
- Modular personal care implement1 Oct 2026US 2026/0295876 A1The Gillette Company
- Handle assembly and cartridge, and razor including same3 Sep 2026US 2026/0257386 A1Dorco Co., Ltd.
- Razor cartridge with trimmer assembly3 Sep 2026US 2026/0257387 A1
- Personal care devices and cosmetic compositions27 Aug 2026US 2026/0249498 A1Pathak Holdings LLC
- Shaver head20 Aug 2026US 2026/0241590 A1Wenzhou Meibao Technology Co., Ltd.
Most cited
By later US patents
- Razor construction168US 5,761,814 AThe Gillette Company · 1998
- Four blade bi-directional razor structure with flexible guard system163US 6,161,288 A2000
- Shaving system and method144US 5,787,586 AThe Gillette Company · 1998
- Shaving razor and method138US 5,784,790 AThe Gillette Company · 1998
- Razor blade system138US 6,161,287 AThe Gillette Company · 2000