B23P 15/28
Cutting tools
Official title: cutting tools (sawing tools B23D63/00, B23D65/00; files or rasps B23D73/00)
B23P15/28 (Cutting tools) appears on 875 US grants and 707 published applications in this corpus.
Search patents in B23P- Granted patents
- 875
- Published applications
- 707
- Assignees
- 480
- Inventors
- 1,644
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 13 | 0 |
| 1980 | 17 | 0 |
| 1981 | 15 | 0 |
| 1982 | 19 | 0 |
| 1983 | 10 | 0 |
| 1984 | 17 | 0 |
| 1985 | 9 | 0 |
| 1986 | 14 | 0 |
| 1987 | 21 | 0 |
| 1988 | 14 | 0 |
| 1989 | 15 | 0 |
| 1990 | 7 | 0 |
| 1991 | 27 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 20 | 0 |
| 1998 | 16 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 19 | 6 |
| 2002 | 12 | 13 |
| 2003 | 17 | 13 |
| 2004 | 8 | 20 |
| 2005 | 7 | 28 |
| 2006 | 10 | 23 |
| 2007 | 9 | 18 |
| 2008 | 15 | 25 |
| 2009 | 7 | 14 |
| 2010 | 11 | 29 |
| 2011 | 10 | 25 |
| 2012 | 18 | 25 |
| 2013 | 11 | 44 |
| 2014 | 19 | 43 |
| 2015 | 30 | 39 |
| 2016 | 39 | 50 |
| 2017 | 36 | 43 |
| 2018 | 34 | 40 |
| 2019 | 43 | 36 |
| 2020 | 28 | 35 |
| 2021 | 22 | 28 |
| 2022 | 23 | 31 |
| 2023 | 26 | 22 |
| 2024 | 25 | 23 |
| 2025 | 18 | 18 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23P 15/40Shearing tools206
- B23P 15/32Twist-drills171
- B23P 15/34Milling cutters86
- B23P 15/30Lathes or like tools30
- B23P 15/46Reaming tools19
- B23P 15/48Threading tools16
- B23P 15/42Broaching tools7
- B23P 15/44Scraping or shaving tools5
All 9 subgroupsShow fewer
Recent patents
- Devices, systems, and methods for a cutting element6 Oct 2026US 12,753,658 B2Schlumberger Technology Corporation
- Kitchen knife and method for manufacturing kitchen knife15 Sep 2026US 12,734,620 B2Kai R&D Center Co., Ltd.
- Drill body and manufacturing method of drill body28 Jul 2026US 12,691,507 B2Tungaloy Corporation
- Method for filling carbide blades in cutter head7 Jul 2026US 12,673,391 B2Guohua (Qingdao) Intelligent Precision Drive Control Technology Research Institute Co., Ltd.
- Method of manufacturing a knife blade for a cutter knife and cutter knife28 Apr 2026US 12,610,882 B2Smf - Holding GmbH
- Veined tool blank and drill20 Aug 2026US 2026/0241498 A1AB Sandvik Coromant
- Semi autonomous cutting element brazing system30 Jul 2026US 2026/0216805 A1Schlumberger Technology Corporation
- Lift Device For Garbage Disposal Installation2 Jul 2026US 2026/0183877 A1
- Rebuildable hard surface cutting tip for mining bit25 Jun 2026US 2026/0176967 A1Bit Service Company LTD
- Ultrasonic surgical instrument and method for manufacturing same11 Jun 2026US 2026/0157767 A1Misonix, Incorporated
Most cited
By later US patents
- Cutting element having composite formed of cemented carbide substrate and diamond layer and method of making same258US 4,784,023 ADiamant Boart-Stratabit (USA) Inc. · 1988
- Diamond metal composite cutter and method for making same217US 5,096,465 ANorton Company · 1992
- Composite polycrystalline cutting element with improved fracture and delamination resistance211US 5,355,969 AUS Synthetic Corporation · 1994
- Tool component206US 4,861,350 A1989
- Multiple diamond layer polycrystalline diamond composite cutters175US 5,667,028 ASmith International, Inc. · 1997