B23G 1/44
Equipment or accessories specially designed for machines or devices for thread cutting
B23G1/44 (Equipment or accessories specially designed for machines or devices for thread cutting) appears on 102 US grants and 75 published applications in this corpus.
Search patents in B23G- Granted patents
- 102
- Published applications
- 75
- Assignees
- 50
- Inventors
- 169
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 8 |
| 2016 | 5 | 3 |
| 2017 | 3 | 6 |
| 2018 | 3 | 2 |
| 2019 | 3 | 4 |
| 2020 | 3 | 5 |
| 2021 | 3 | 1 |
| 2022 | 3 | 10 |
| 2023 | 2 | 7 |
| 2024 | 1 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bench pipe threading machine and threading method12 May 2026US 12,623,296 B2Hangzhou Hongli Pipe Machinery Co., Ltd
- Pipe threading mechanisms and systems31 Mar 2026US 12,589,460 B2Ridge Tool Company
- Handheld lithium battery threading machine and threading method25 Nov 2025US 12,479,038 B2Hangzhou Hongli Pipe Machinery Co., Ltd
- Lubrication system for portable pipe threader19 Aug 2025US 12,390,870 B2Milwaukee Electric Tool Corporation
- Tapping apparatus with a thread checking mechanism15 Apr 2025US 12,275,080 B2Jabil Circuit (Singapore) Pte. Ltd.
- Drill and tap guide7 May 2026US 2026/0124685 A1
- Lubrication system for portable pipe threader20 Nov 2025US 2025/0353090 A1Milwaukee Electric Tool Corporation
- Portable pipe threader9 Jan 2025US 2025/0010389 A1Milwaukee Electric Tool Corporation
- Tapping screw fastening jig and fastening method using tapping screw fastening jig29 Aug 2024US 2024/0286212 A1Toyota Jidosha Kabushiki Kaisha
- Portable pipe threader8 Feb 2024US 2024/0042538 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Methods for manufacturing skeletal implants27US 6,458,144 B1Osteotech, Inc. · 2002
- Right angle positive feed tapper24US 5,143,161 AP. V. Tool, Inc. · 1992
- Threading assembly22US 4,856,946 A1989
- Clutching means adapted for use in tapping attachments19US 4,014,421 ATapmatic Corporation · 1977
- Clutching means adapted for use in tapping attachments18US 3,999,642 ATapmatic Corporation · 1976