B23B 27/00
Tools for turning or boring machines
Official title: Tools for turning or boring machines (for drilling machines B23B51/00); Tools of a similar kind in general; Accessories therefor
B23B27/00 (Tools for turning or boring machines) appears on 3,179 US grants and 2,837 published applications in this corpus.
Search patents in B23B- Granted patents
- 3,179
- Published applications
- 2,837
- Assignees
- 735
- Inventors
- 3,769
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 28 | 0 |
| 1978 | 26 | 0 |
| 1979 | 16 | 0 |
| 1980 | 45 | 0 |
| 1981 | 33 | 0 |
| 1982 | 31 | 0 |
| 1983 | 30 | 0 |
| 1984 | 38 | 0 |
| 1985 | 29 | 0 |
| 1986 | 38 | 0 |
| 1987 | 43 | 0 |
| 1988 | 22 | 0 |
| 1989 | 29 | 0 |
| 1990 | 30 | 0 |
| 1991 | 57 | 0 |
| 1992 | 40 | 0 |
| 1993 | 40 | 0 |
| 1994 | 31 | 0 |
| 1995 | 21 | 0 |
| 1996 | 25 | 0 |
| 1997 | 40 | 0 |
| 1998 | 60 | 0 |
| 1999 | 51 | 0 |
| 2000 | 50 | 0 |
| 2001 | 60 | 12 |
| 2002 | 22 | 55 |
| 2003 | 43 | 38 |
| 2004 | 48 | 58 |
| 2005 | 29 | 61 |
| 2006 | 43 | 61 |
| 2007 | 50 | 82 |
| 2008 | 62 | 84 |
| 2009 | 56 | 79 |
| 2010 | 52 | 85 |
| 2011 | 52 | 86 |
| 2012 | 48 | 88 |
| 2013 | 85 | 116 |
| 2014 | 104 | 123 |
| 2015 | 105 | 124 |
| 2016 | 98 | 108 |
| 2017 | 102 | 140 |
| 2018 | 133 | 158 |
| 2019 | 134 | 195 |
| 2020 | 152 | 196 |
| 2021 | 148 | 178 |
| 2022 | 180 | 181 |
| 2023 | 117 | 152 |
| 2024 | 134 | 168 |
| 2025 | 146 | 117 |
| 2026 | 87 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23B 27/14Cutting tools of which the bits or tips or cutting inserts are2,468
- B23B 27/04Cutting-off tools405
- B23B 27/10Cutting tools with special provision for cooling309
- B23B 27/06Profile cutting tools, i.e. forming-tools159
- B23B 27/007Tools for turning or boring machines: for internal turning155
- B23B 27/08Cutting tools with blade- or disc-like main parts128
- B23B 27/22Cutting tools with chip-breaking equipment74
- B23B 27/002Tools for turning or boring machines: with vibration damping means72
Recent patents
- Coated cutting tool with an alternating layer composition6 Oct 2026US 12,752,344 B2Walter AG
- Cutting tool29 Sep 2026US 12,746,603 B2Sumitomo Electric Industries, Ltd.
- Surface-coated cutting tool29 Sep 2026US 12,746,604 B2Mitsubishi Materials Corporation
- Metal cutting turning tool22 Sep 2026US 12,741,323 B2AB Sandvik Coromant
- Hard coating for cutting tools with excellent wear resistance15 Sep 2026US 12,734,584 B2Korloy Inc.
- Cutting tool1 Oct 2026US 2026/0295681 A1Sumitomo Electric Hardmetal Corp.
- Cutting tool with replaceable tool head structure1 Oct 2026US 2026/0295682 A1
- Turning tool kit and cutting insert therefor24 Sep 2026US 2026/0284752 A1AB Sandvik Coromant
- Cutting insert, cutting tool, and method for manufacturing machined product17 Sep 2026US 2026/0273629 A1KYOCERA Corporation
- Cutting tool17 Sep 2026US 2026/0273630 A1Seco Tools AB
Most cited
By later US patents
- Cutting composite formed of cemented carbide substrate and diamond layer481US 5,120,327 ADiamant Boart-Stratabit (USA) Inc. · 1992
- Cutting elements for rotary drill bits409US 5,135,061 A1992
- Compact of boron-doped diamond and method for making same385US 4,268,276 AGeneral Electric Company · 1981
- Superhard cutting element having reduced surface roughness and method of modifying288US 5,447,208 ABaker Hughes Incorporated · 1995
- 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