B23D 21/145
Hand operated
Official title: {hand operated}
B23D21/145 (Hand operated) appears on 9 US grants and 5 published applications in this corpus.
Search patents in B23D- Granted patents
- 9
- Published applications
- 5
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 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 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pipe cutting apparatus4 Feb 2025US 12,215,558 B2Arkane Technology Ltd
- Developable and collapsable external cutting or gripping mechanism26 Mar 2024US 11,938,643 B2Brigham Young University
- Mesh cage scoring and cutting system19 Jul 2016US 9,393,709 B2K2M, Inc.
- Core trimmer29 Apr 2003US 6,553,874 B2
- Internal cutter for trimming plastic pipe11 Dec 1979US 4,177,558 AReed Manufacturing Company
- Developable and collapsable external cutting or gripping mechanism3 Feb 2022US 2022/0032485 A1Brigham Young University
- Pipe cutting apparatus16 Dec 2021US 2021/0387269 A1Arkane Technology Ltd
- Tube cutting device having conical fitting member to cut tube of waste steam generator13 Apr 2017US 2017/0100789 A1Doosan Heavy Industries Construction Co., Ltd
- Mesh cage scoring and cutting system26 Dec 2013US 2013/0340590 A1K2M, Inc.
- Core trimmer10 Oct 2002US 2002/0144577 A1
Most cited
By later US patents