B26B 21/28
Of the drawing cut type, i.e. with the cutting edge of the
Official title: of the drawing cut type, i.e. with the cutting edge of the blade arranged obliquely {or curved} to the handle
B26B21/28 (Of the drawing cut type, i.e. with the cutting edge of the) appears on 56 US grants and 60 published applications in this corpus.
Search patents in B26B- Granted patents
- 56
- Published applications
- 60
- Assignees
- 12
- Inventors
- 74
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 4 |
| 2013 | 0 | 0 |
| 2014 | 2 | 4 |
| 2015 | 1 | 4 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 6 |
| 2019 | 3 | 2 |
| 2020 | 5 | 2 |
| 2021 | 3 | 4 |
| 2022 | 2 | 1 |
| 2023 | 1 | 5 |
| 2024 | 1 | 4 |
| 2025 | 2 | 6 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intelligent shaving system having sensors18 Aug 2026US 12,709,036 B2
- Razor cartridge14 Jul 2026US 12,678,985 B2Dorco Co., Ltd.
- Intelligent shaving system having sensors21 Apr 2026US 12,605,857 B2
- Shaving device20 Jan 2026US 12,528,215 B2Insignia IP Development Company, LLC
- Shaving device29 Jul 2025US 12,370,710 B2Insignia IP Development Company, LLC
- Shaving Device21 May 2026US 2026/0138297 A1Insignia IP Development Company, LLC
- Intelligent shaving system having sensors25 Dec 2025US 2025/0387936 A1
- Intelligent shaving system having sensors11 Dec 2025US 2025/0375908 A1
- Shaving Device20 Nov 2025US 2025/0353200 A1Insignia IP Development Company, LLC
- Intelligent shaving system having sensors16 Oct 2025US 2025/0319619 A1
Most cited
By later US patents
- Razor having a multi-position shaving head80US 7,140,116 B2Eveready Battery Company, Inc. · 2006
- Razor head and method of manufacture72US 4,901,437 AAmerican Safety Razor Company · 1990
- Concave, convex safety razor69US 5,199,173 AHegemann Research Corporation · 1993
- Shaving device69US 9,259,846 B12016
- Razor with switch for perpendicular and limited oblique angle shaving59US 5,526,568 A1996