B23D 21/04
Tube-severing machines with rotating tool-carrier
B23D21/04 (Tube-severing machines with rotating tool-carrier) appears on 166 US grants and 124 published applications in this corpus.
Search patents in B23D- Granted patents
- 166
- Published applications
- 124
- Assignees
- 88
- Inventors
- 256
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 4 | 8 |
| 2004 | 2 | 1 |
| 2005 | 1 | 6 |
| 2006 | 3 | 6 |
| 2007 | 0 | 4 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 4 | 4 |
| 2011 | 1 | 5 |
| 2012 | 4 | 2 |
| 2013 | 0 | 6 |
| 2014 | 3 | 10 |
| 2015 | 4 | 8 |
| 2016 | 7 | 7 |
| 2017 | 9 | 8 |
| 2018 | 8 | 9 |
| 2019 | 9 | 10 |
| 2020 | 12 | 2 |
| 2021 | 2 | 5 |
| 2022 | 1 | 5 |
| 2023 | 6 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- End-processing center for rod-shaped workpieces28 Jul 2026US 12,691,513 B2ASMAG-Holding GmbH
- Power tool accessories for cutting tubular members2 Jun 2026US 12,643,213 B2Black & Decker Inc.
- Apparatus for the orbital cutting and calibration of tubes17 Mar 2026US 12,576,438 B2Blm S.P.A.
- Power tool and power tool accessories for cutting tubular members10 Feb 2026US 12,544,842 B2Black & Decker Inc.
- Pipe machining system for positioning pipe machining apparatus in three-dimensional coordinate system16 Dec 2025US 12,496,672 B2Illinois Tool Works Inc.
- Pipe Cutting Machine8 Oct 2026US 2026/0307160 A1Wuyi Zhuanzhuan Industry and Trade Co., Ltd.
- Device for shaping a tubular object27 Aug 2026US 2026/0249367 A1Numalliance
- Power tool and power tool accessories for cutting tubular members12 Mar 2026US 2026/0070136 A1Black & Decker Inc.
- Cutting apparatus24 Apr 2025US 2025/0128341 A1Steve Vick International Ltd.
- Pipe cutter27 Feb 2025US 2025/0065524 A1Nanjing Chervon Industry Co., Ltd.
Most cited
By later US patents
- Low-clearance pipe lathe82US 4,939,964 A1990
- Pipe end preparation and cutoff tool62US 4,418,591 ATri Tool Inc. · 1983
- Pipe machining apparatus61US 5,054,342 AThe E. H. Wachs Company · 1991
- Multi-function pipe machining apparatus56US 4,813,314 AWestinghouse Electric Corp. · 1989
- Pipe cutting device54US 3,942,248 ADND Corporation · 1976