B28D 1/121
Circular saw blades
Official title: {Circular saw blades}
B28D1/121 (Circular saw blades) appears on 199 US grants and 175 published applications in this corpus.
Search patents in B28D- Granted patents
- 199
- Published applications
- 175
- Assignees
- 113
- Inventors
- 362
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 9 | 3 |
| 2003 | 7 | 10 |
| 2004 | 6 | 5 |
| 2005 | 6 | 10 |
| 2006 | 7 | 9 |
| 2007 | 1 | 10 |
| 2008 | 4 | 9 |
| 2009 | 3 | 7 |
| 2010 | 8 | 15 |
| 2011 | 5 | 2 |
| 2012 | 4 | 5 |
| 2013 | 1 | 3 |
| 2014 | 2 | 5 |
| 2015 | 2 | 6 |
| 2016 | 6 | 6 |
| 2017 | 7 | 6 |
| 2018 | 5 | 12 |
| 2019 | 5 | 4 |
| 2020 | 5 | 7 |
| 2021 | 3 | 5 |
| 2022 | 3 | 8 |
| 2023 | 2 | 8 |
| 2024 | 3 | 7 |
| 2025 | 4 | 5 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machining segment for a machining tool25 Aug 2026US 12,715,160 B2Hilti Aktiengesellschaft
- Power tool for forming a channel in a work surface and accessories therefor13 Jan 2026US 12,521,909 B2Black & Decker Inc.
- Land preparation tool4 Nov 2025US 12,459,156 B2Fecon, LLC
- Asphalt saw blade14 Oct 2025US 12,440,908 B2Weldco Fabrication and Design, LLC
- Spacers for cutting and grinding blades, blade and spacer assemblies, and gang blade assemblies and methods relating to same18 Feb 2025US 12,226,925 B2Baron Investments, LLC
- U-shaped cutting segments for abrasive cutting tools27 Aug 2026US 2026/0249516 A1Husqvarna AB
- Microtrencher saw teeth for cutting cobble13 Aug 2026US 2026/0234912 A1McCown Technology Corporation
- Cutting Disk With Diamonds In Metal Sinter Matrix26 Feb 2026US 2026/0054352 A1
- Land preparation tool26 Feb 2026US 2026/0054411 A1Fecon, LLC
- Circular saw blade1 Jan 2026US 2026/0001152 A1
Most cited
By later US patents
- Composite polycrystalline diamond compact502US 4,604,106 ASmith International, Inc. · 1986
- Polycrystalline diamond body with enhanced surface irregularities248US 4,629,373 AMegadiamond Industries, Inc. · 1986
- Sintered polycrystalline diamond compact construction with integral heat sink212US 4,605,343 AGeneral Electric Company · 1986
- Composite polycrystalline diamond209US 4,525,178 AMegadiamond Industries, Inc. · 1985
- Transistion layer polycrystalline diamond bearing208US 4,729,440 ASmith International, Inc. · 1988