B23B 5/14
Cutting-off lathes
Official title: Cutting-off lathes ({B23D21/00 takes precedence} shearing B23D)
B23B5/14 (Cutting-off lathes) appears on 46 US grants and 39 published applications in this corpus.
Search patents in B23B- Granted patents
- 46
- Published applications
- 39
- Assignees
- 31
- Inventors
- 73
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 10 |
| 2016 | 3 | 6 |
| 2017 | 7 | 6 |
| 2018 | 8 | 3 |
| 2019 | 3 | 2 |
| 2020 | 4 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preprocessing device27 Jan 2026US 12,535,495 B2Hitachi High-Tech Corporation
- Collecting mechanism and collecting method for collecting machined portion1 Aug 2023US 11,712,769 B2Okuma Corporation
- Systems, apparatuses and methods of machining pipes and/or pipe flanges18 Oct 2022US 11,471,960 B2Illinois Tool Works Inc.
- Rapidly retractable tool support for a pipe machining apparatus16 Feb 2021US 10,919,097 B2Illinois Tool Works Inc.
- Pipe machining apparatuses and methods of operating the same4 Aug 2020US 10,730,120 B2Illinois Tool Works Inc.
- Preprocessing device17 Apr 2025US 2025/0123301 A1Hitachi High-Tech Corporation
- Machine tool and control device for machine tool6 Oct 2022US 2022/0314332 A1Citizen Machinery Co., Ltd.
- Lathe12 Aug 2021US 2021/0245257 A1Star Micronics Co., Ltd.
- Systems, apparatuses and methods of machining pipes and/or pipe flanges3 Sep 2020US 2020/0276659 A1Illinois Tool Works Inc.
- Rapidly retractable tool support for a pipe machining apparatus23 Jul 2020US 2020/0230717 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Work cutting61US 4,213,356 A1980
- Pipe cutting machine and process for cutting pipe pieces from a pipe blank30US 5,894,771 A1999
- Portable round-tube cutter28US 5,609,081 A1997
- Rapidly retractable tool support for a pipe machining apparatus28US 9,050,669 B2Illinois Tool Works Inc. · 2015
- Tube cutting apparatus12US 3,933,090 ADeering Milliken Research Corporation · 1976