B23B
Turning
Official title: TURNING; BORING (arrangements for copying or controlling B23Q)
B23B (Turning) appears on 16,363 US grants and 12,685 published applications in this corpus.
Search patents in B23B- Granted patents
- 16,363
- Published applications
- 12,685
- Assignees
- 4,626
- Inventors
- 21,257
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 237 | 0 |
| 1977 | 239 | 0 |
| 1978 | 210 | 0 |
| 1979 | 149 | 0 |
| 1980 | 207 | 0 |
| 1981 | 219 | 0 |
| 1982 | 166 | 0 |
| 1983 | 184 | 0 |
| 1984 | 203 | 0 |
| 1985 | 225 | 0 |
| 1986 | 328 | 0 |
| 1987 | 335 | 0 |
| 1988 | 255 | 0 |
| 1989 | 284 | 0 |
| 1990 | 242 | 0 |
| 1991 | 330 | 0 |
| 1992 | 285 | 0 |
| 1993 | 251 | 0 |
| 1994 | 248 | 0 |
| 1995 | 215 | 0 |
| 1996 | 180 | 0 |
| 1997 | 232 | 0 |
| 1998 | 331 | 0 |
| 1999 | 367 | 0 |
| 2000 | 271 | 0 |
| 2001 | 348 | 110 |
| 2002 | 257 | 303 |
| 2003 | 321 | 302 |
| 2004 | 246 | 348 |
| 2005 | 226 | 384 |
| 2006 | 276 | 438 |
| 2007 | 279 | 429 |
| 2008 | 256 | 430 |
| 2009 | 257 | 450 |
| 2010 | 279 | 468 |
| 2011 | 287 | 448 |
| 2012 | 289 | 451 |
| 2013 | 376 | 509 |
| 2014 | 461 | 552 |
| 2015 | 463 | 621 |
| 2016 | 485 | 528 |
| 2017 | 569 | 606 |
| 2018 | 566 | 625 |
| 2019 | 610 | 736 |
| 2020 | 578 | 693 |
| 2021 | 540 | 678 |
| 2022 | 543 | 634 |
| 2023 | 401 | 590 |
| 2024 | 450 | 604 |
| 2025 | 436 | 427 |
| 2026 | 371 | 321 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B23B 31/00Chucks4,597
- B23B 27/00Tools for turning or boring machines3,179
- B23B 51/00Tools for drilling machines3,061
- B23B 2260/00Details of constructional elementsIndexing code2,141
- B23B 29/00Holders for non-rotary cutting tools1,798
- B23B 2251/00Details of tools for drilling machinesIndexing code1,432
- B23B 2231/00Details of chucks, toolholder shanks or tool shanksIndexing code1,262
- B23B 5/00Turning-machines or devices specially adapted for particular work1,211
All 42 main groupsShow fewer
- B23B 2226/00Materials of tools or workpieces not comprising a metalIndexing code1,136
- B23B 2270/00Details of turning, boring or drilling machines, processes or tools not otherwiseIndexing code1,085
- B23B 2200/00Details of cutting insertsIndexing code1,075
- B23B 47/00Constructional features of components specially designed for boring or drilling machines847
- B23B 49/00Measuring or gauging equipment on boring machines for positioning or guiding the719
- B23B 45/00Hand-held or like portable drilling machines686
- B23B 2228/00Properties of materials of tools or workpieces, materials of tools or workpiecesIndexing code685
- B23B 2215/00Details of workpiecesIndexing code684
- B23B 2250/00Compensating adverse effects during turning, boring or drillingIndexing code681
- B23B 3/00General-purpose turning-machines or devices676
- B23B 2205/00Fixation of cutting inserts in holdersIndexing code616
- B23B 41/00Boring or drilling machines or devices specially adapted for particular work535
- B23B 2222/00Materials of tools or workpieces composed of metals, alloys or metal matricesIndexing code524
- B23B 39/00General-purpose boring or drilling machines or devices500
- B23B 35/00Methods for boring or drilling, or for working essentially requiring the use384
- B23B 2220/00Details of turning, boring or drilling processesIndexing code357
- B23B 2240/00Details of connections of tools or workpiecesIndexing code353
- B23B 13/00Arrangements for automatically conveying or chucking or guiding stock331
- B23B 1/00Methods for turning or working essentially requiring the use of turning-machines298
- B23B 2224/00Materials of tools or workpieces composed of a compound including a metalIndexing code297
- B23B 2247/00Details of drilling jigsIndexing code255
- B23B 2265/00Details of general geometric configurationsIndexing code212
- B23B 25/00Accessories or auxiliary equipment for turning-machines208
- B23B 2210/00Details of turning toolsIndexing code121
- B23B 23/00Tailstocks115
- B23B 7/00Automatic or semi-automatic turning-machines with a single working-spindle89
- B23B 37/00Boring by making use of vibrations of ultrasonic frequency62
- B23B 33/00Drivers61
- B23B 2235/00Turning of brake discs, drums or hubsIndexing code47
- B23B 11/00Automatic or semi-automatic turning-machines incorporating equipment for performing other working procedures44
- B23B 9/00Automatic or semi-automatic turning-machines with a plurality of working-spindles42
- B23B 2229/00Details of boring bars or boring headsIndexing code36
- B23B 2233/00Details of centres or driversIndexing code22
- B23B 43/00Boring or drilling devices able to be attached to a machine tool17
Recent patents
- Coated cutting tool with an alternating layer composition6 Oct 2026US 12,752,344 B2Walter AG
- Power tool6 Oct 2026US 12,752,345 B2Robert Bosch GmbH
- Workpiece holding device6 Oct 2026US 12,752,346 B2Aktiebolaget Skf
- Mounting device, mounting method, and method for manufacturing product6 Oct 2026US 12,752,347 B2Sintokogio, Ltd.
- Tool driving device and method of producing machined product6 Oct 2026US 12,752,348 B2Subaru Corporation
- Vibration-proof structure for rotating body8 Oct 2026US 2026/0307153 A1Big Daishowa Co., Ltd.
- Tool cutting edge adjusting head, method of operating same and correcting tool cutting edge wear8 Oct 2026US 2026/0307154 A1Blum-Novotest GmbH
- Bit holder8 Oct 2026US 2026/0307155 A1Milwaukee Electric Tool Corporation
- Step drill bits8 Oct 2026US 2026/0307156 A1
- Self-sharpening cutting device with gradually phased materials8 Oct 2026US 2026/0307157 A1
Most cited
By later US patents
- Orthopedic drive assembly1,581US 4,728,876 AMinnesota Mining and Manufacturing Company · 1988
- Portable power tool1,521US 4,347,450 A1982
- Depth controllable and measurable medical driver devices and methods of use1,243US 8,894,654 B2Smart Medical Devices, Inc. · 2014
- Tool attachment1,179US 9,193,045 B2Robert Bosch GmbH · 2015
- Controlled electro-pneumatic power tools and interactive consumable1,078US 9,061,392 B22015