B23D 51/20
With controlled feed of the tool, or with special arrangements for relieving
Official title: with controlled feed of the tool, or with special arrangements for relieving or lifting the tool on the return stroke
B23D51/20 (With controlled feed of the tool, or with special arrangements for relieving) appears on 33 US grants and 25 published applications in this corpus.
Search patents in B23D- Granted patents
- 33
- Published applications
- 25
- Assignees
- 19
- Inventors
- 49
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 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 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reciprocating tool having orbit function1 Jul 2025US 12,343,809 B2Black & Decker Inc.
- Working machine9 Jul 2024US 12,030,129 B2Koki Holdings Co., Ltd.
- Hand-held machine tool20 Feb 2024US 11,904,395 B2Robert Bosch GmbH
- Reciprocating tool18 Jul 2023US 11,701,722 B2Koki Holdings Co., Ltd.
- Reciprocating cutting tool18 Apr 2023US 11,628,508 B2Positec Power Tools (Suzhou) Co., Ltd.
- Pendulum Stroke Device for a Power Tool, Pendulum Stroke Unit for such a Pendulum Stroke Device, and Power Tool with such a Pendulum Stroke Device11 Jun 2026US 2026/0158566 A1Robert Bosch GmbH
- Reciprocating tool having orbit function30 Apr 2026US 2026/0115814 A1Black & Decker Inc.
- Hand-held power saw26 Dec 2024US 2024/0424583 A1Hilti Aktiengesellschaft
- Guide dresser for saw guides5 Sep 2024US 2024/0293880 A1Precision Guide Machinery and Repair Limited
- Reciprocating tool having orbit function14 Sep 2023US 2023/0286126 A1Black & Decker Inc.
Most cited
By later US patents
- Adjustable stroke reciprocating mechanism for a power tool87US 5,134,777 ASkil Corporation · 1992
- Adjustable stroke mechanism for a scotch yoke assembly58US 6,357,125 B1S-B Power Tool Company · 2002
- Reciprocating tool20US 6,370,781 B1Hitachi Koki Co., Ltd. · 2002
- Hacksaw machine18US 4,455,909 A1984
- Adjustable stroke for a reciprocating saw18US 6,234,255 B1S-B Power Tool Company · 2001