B23B 5/167
Tools for chamfering the ends of bars or tubes
Official title: {Tools for chamfering the ends of bars or tubes}
B23B5/167 (Tools for chamfering the ends of bars or tubes) appears on 224 US grants and 138 published applications in this corpus.
Search patents in B23B- Granted patents
- 224
- Published applications
- 138
- Assignees
- 111
- Inventors
- 343
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 15 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 7 |
| 2003 | 6 | 11 |
| 2004 | 8 | 5 |
| 2005 | 5 | 4 |
| 2006 | 11 | 5 |
| 2007 | 1 | 3 |
| 2008 | 4 | 4 |
| 2009 | 5 | 9 |
| 2010 | 9 | 4 |
| 2011 | 2 | 5 |
| 2012 | 1 | 5 |
| 2013 | 1 | 3 |
| 2014 | 4 | 6 |
| 2015 | 5 | 4 |
| 2016 | 7 | 12 |
| 2017 | 5 | 7 |
| 2018 | 7 | 8 |
| 2019 | 6 | 10 |
| 2020 | 6 | 4 |
| 2021 | 7 | 6 |
| 2022 | 9 | 1 |
| 2023 | 1 | 5 |
| 2024 | 2 | 4 |
| 2025 | 0 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conduit reamer24 Mar 2026US 12,583,036 B2Milwaukee Electric Tool Corporation
- Tube deburring apparatus and methods of use22 Oct 2024US 12,121,983 B1
- Weld groove forming method and hollow article13 Feb 2024US 11,897,058 B2Hyundai Robotics Co., Ltd.
- Rotary cutter for cutting damaged threads of a bolt3 Jan 2023US 11,541,469 B2Hong Ann Tool Industries Co., Ltd.
- Interchangeable cutting inserts and methods associated with the same27 Sep 2022US 11,453,060 B2Illinois Tool Works Inc.
- Conduit Reamer2 Jul 2026US 2026/0183845 A1Milwaukee Electric Tool Corporation
- Deburring external chamfer tool with cutting insert mounting structure4 Jun 2026US 2026/0151834 A1Hong Ann Tool Industries Co., Ltd.
- Pipe preparation tool2 Apr 2026US 2026/0091437 A1
- Tube Deburring Apparatus and Methods of Use19 Jun 2025US 2025/0196241 A1
- On-machine three-dimensional profiling machining device and method for complex configuration composite30 May 2024US 2024/0173781 A1Aerospace Research Institute of Materials & Processing Technology
Most cited
By later US patents
- Cutting tool for cutting well casing165US 4,938,291 A1990
- Milling tool and method for milling multiple casing strings144US 5,150,755 ABaker Hughes Incorporated · 1992
- Downhole milling tool91US 5,456,312 ABaker Hughes Incorporated · 1995
- Cutting tool for cutting well casing83US 4,887,668 ATri-State Oil Tool Industries, Inc. · 1989
- Low-clearance pipe lathe82US 4,939,964 A1990