B23D 61/0212
Varying pitch
Official title: {Varying pitch}
B23D61/0212 (Varying pitch) appears on 10 US grants and 15 published applications in this corpus.
Search patents in B23D- Granted patents
- 10
- Published applications
- 15
- Assignees
- 12
- Inventors
- 31
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Circular saw blades21 Apr 2026US 12,605,781 B2Black & Decker Inc.
- Blades8 Sep 2020US 10,766,082 B2Kanefusa Kabushiki Kaisha
- Saw blade4 Aug 2009US 7,568,416 B2Amada Company, Limited
- Variable tooth saw blade5 Jun 2007US 7,225,715 B2Black & Decker Inc.
- Asymmetrical cutting tool tooth form18 Feb 2003US 6,520,722 B2Simonds Industries, Inc.
- Arc-shaped oscillating saw blade with large and small teeth and oscillating saw19 Mar 2026US 2026/0077414 A1Hangzhou Easy Can Tools Co., Ltd.
- Arc-shaped oscillating saw blade with sparse and dense teeth and oscillating saw19 Mar 2026US 2026/0077415 A1Hangzhou Easy Can Tools Co., Ltd.
- Circular saw blade11 Jul 2024US 2024/0227046 A1Apex Brands, Inc.
- Circular saw blades16 Jul 2020US 2020/0222998 A1Black & Decker Inc.
- Blades27 Sep 2018US 2018/0272447 A1Kanefusa Kabushiki Kaisha
Most cited
By later US patents
- Saw blade50US 5,425,296 AWilhelm H. Kullman Wikus Sagenfabrik · 1995
- Asymmetrical cutting tool tooth form48US 6,520,722 B2Simonds Industries, Inc. · 2003
- Saw blade39US 6,276,249 B1Handschuh & Scheider GmbH · 2001
- Saw blade37US 4,640,172 AWilhelm H. Kullmann Wikus-Sagenfabrik · 1987
- Cutting tool31US 4,311,075 ASanvik Aktiebolag · 1982