B23B 3/22
Turning-machines or devices with rotary tool heads
Official title: Turning-machines or devices with rotary tool heads {(B23B5/08, B23B5/14 and B23B5/16 take precedence)}
B23B3/22 (Turning-machines or devices with rotary tool heads) appears on 173 US grants and 148 published applications in this corpus.
Search patents in B23B- Granted patents
- 173
- Published applications
- 148
- Assignees
- 92
- Inventors
- 271
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 4 |
| 2005 | 3 | 6 |
| 2006 | 6 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 4 |
| 2010 | 2 | 4 |
| 2011 | 0 | 6 |
| 2012 | 4 | 5 |
| 2013 | 3 | 5 |
| 2014 | 4 | 11 |
| 2015 | 9 | 11 |
| 2016 | 4 | 10 |
| 2017 | 9 | 16 |
| 2018 | 14 | 10 |
| 2019 | 13 | 11 |
| 2020 | 10 | 7 |
| 2021 | 8 | 7 |
| 2022 | 9 | 5 |
| 2023 | 1 | 6 |
| 2024 | 3 | 6 |
| 2025 | 5 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cutting tool mounting assembly with split, modular and wireless wear detection system16 Jun 2026US 12,654,230 B2Kennametal Inc.
- Constant rake fluted drill bit and method of manufacture21 Apr 2026US 12,605,795 B1
- Pipe machining system for positioning pipe machining apparatus in three-dimensional coordinate system16 Dec 2025US 12,496,672 B2Illinois Tool Works Inc.
- Peeling machine for elongated products28 Oct 2025US 12,454,008 B2Danieli & C. Officine Meccaniche SpA
- Wireless control assembly for cutting machine15 Apr 2025US 12,276,961 B2Team Industrial Services, Inc.
- Portable machine tools and related methods25 Sep 2025US 2025/0296136 A1Climax Portable Machine Tools, Inc.
- Device and method for removing elastomeric polymer liner material from inside a pipe28 Aug 2025US 2025/0269581 A1KED Holdings Inc.
- Device and method for removing elastomeric polymer liner material from inside a pipe24 Oct 2024US 2024/0351268 A1KED Holdings Inc.
- Adjacent turning and milling tool mount29 Aug 2024US 2024/0286199 A1Fives Giddings & Lewis, LLC
- Machine tool4 Jul 2024US 2024/0216996 A1Star Micronics Co., Ltd.
Most cited
By later US patents
- Split frame portable machining lathe81US 4,739,685 A1988
- Segmented sliding bearing arrangement for portable lathe77US 4,829,860 ATri Tool Inc. · 1989
- Clamshell pipe lathe having improved bearing arrangement74US 5,549,024 A1996
- Ratchet feed drive for clamshell lathe46US 4,944,205 A1990
- Universal tool43US 5,050,291 A1991