B23D 45/12
Sawing machines or sawing devices with circular saw blades or with friction
Official title: with a circular saw blade for cutting tubes
B23D45/12 (Sawing machines or sawing devices with circular saw blades or with friction) appears on 164 US grants and 130 published applications in this corpus.
Search patents in B23D- Granted patents
- 164
- Published applications
- 130
- Assignees
- 108
- Inventors
- 307
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 2 | 4 |
| 2003 | 6 | 6 |
| 2004 | 3 | 4 |
| 2005 | 6 | 7 |
| 2006 | 4 | 8 |
| 2007 | 3 | 7 |
| 2008 | 1 | 6 |
| 2009 | 4 | 4 |
| 2010 | 4 | 6 |
| 2011 | 4 | 9 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 3 |
| 2015 | 5 | 7 |
| 2016 | 4 | 10 |
| 2017 | 6 | 8 |
| 2018 | 6 | 6 |
| 2019 | 7 | 5 |
| 2020 | 4 | 4 |
| 2021 | 4 | 5 |
| 2022 | 4 | 4 |
| 2023 | 3 | 2 |
| 2024 | 8 | 4 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Service tool for cutting and plugging a utility service line27 Jan 2026US 12,533,738 B2Niez Tech LLC
- Cutting device22 Oct 2024US 12,122,063 B2Frelk Industries Pty. Ltd.
- Cutter for cutting tubular parts25 Jun 2024US 12,017,287 B2Ridge Tool Company
- Portable automated notching machine14 May 2024US 11,980,954 B1ABG Design LLC
- Pipe cutting apparatus23 Apr 2024US 11,964,333 B2Ritmo S.P.A.
- A flexible line deconstruction unit, related decommissioning facility and method1 Oct 2026US 2026/0295692 A1TechnipFMC Subsea France
- Reactor vessel cutting device and method26 Jun 2025US 2025/0205794 A1
- Pipe cutting assembly and method of use thereof15 May 2025US 2025/0153260 A1FWS AUS Pty Ltd
- Circular saw plunge pipe cutter8 May 2025US 2025/0144728 A1
- Service Tool for Cutting and Plugging a Utility Service Line15 Aug 2024US 2024/0271739 A1Niezgoda Engineering, LLC
Most cited
By later US patents
- Method and apparatus for forming cuts in catheters, guidewires, and the like182US 6,014,919 APrecision Vascular Systems, Inc. · 2000
- Method and apparatus for forming cuts in catheters, guidewires and the like151US 6,766,720 B1Sarcos LC · 2004
- Method and apparatus for forming cuts in catheters, guide wires, and the like144US 6,260,458 B1Sarcos LC · 2001
- Micromachining system108US 6,553,880 B2Sarcos LC · 2003
- Method and apparatus for forming cuts in catheters, guide wires, and the like103US 6,431,039 B1Sarcos LC · 2002