B26B 21/04
Razors of the knife type
B26B21/04 (Razors of the knife type) appears on 6 US grants and 4 published applications in this corpus.
Search patents in B26B- Granted patents
- 6
- Published applications
- 4
- Assignees
- 7
- Inventors
- 9
- Latest grant
- 28 Jan 2020
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 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Elevated shaver28 Jan 2020US 10,543,609 B2Dryfhout Properties, LLC
- Universal hair tapering razor and universal hair tapering method5 Jun 2012US 8,191,557 B2Nittchoyamato Co., Ltd.
- Razor23 Apr 1991US 5,009,003 AWilkinson Sword Limited
- Method and apparatus for cooling a razor29 Mar 1988US 4,733,467 A
- Disposable safety straight razor18 Nov 1986US 4,622,742 A
- Device for treating body hair24 Aug 2023US 2023/0264375 A1Shenzhen Yumi Info. Co., Ltd
- Elevated back shaver23 Nov 2017US 2017/0334080 A1Dryfhout Enterprises, LLC
- Liquid-dispensing razor24 Sep 2015US 2015/0266189 A1Umm Al-Qura University
- Universal hair tapering razor and universal hair tapering method25 Nov 2010US 2010/0294295 A1Nittchoyamato Co., Ltd.
Most cited
By later US patents
- Razor34US 5,009,003 AWilkinson Sword Limited · 1991
- Disposable safety straight razor28US 4,622,742 A1986
- Universal hair tapering razor and universal hair tapering method17US 8,191,557 B2Nittchoyamato Co., Ltd. · 2012
- Method and apparatus for cooling a razor9US 4,733,467 A1988
- Elevated shaver6US 10,543,609 B2Dryfhout Properties, LLC · 2020