B23G 1/22
Machines specially designed for operating on pipes or tubes
B23G1/22 (Machines specially designed for operating on pipes or tubes) appears on 80 US grants and 67 published applications in this corpus.
Search patents in B23G- Granted patents
- 80
- Published applications
- 67
- Assignees
- 40
- Inventors
- 148
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 5 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 4 | 2 |
| 2016 | 4 | 2 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 3 | 8 |
| 2020 | 4 | 1 |
| 2021 | 5 | 4 |
| 2022 | 1 | 8 |
| 2023 | 2 | 7 |
| 2024 | 3 | 4 |
| 2025 | 5 | 7 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pipe threader18 Aug 2026US 12,708,951 B2Milwaukee Electric Tool Corporation
- On-machine three-dimensional profiling machining device and method for complex configuration composite23 Jun 2026US 12,661,724 B2Aerospace Research Institute of Materials & Processing Technology
- Die head for pipe threader19 May 2026US 12,629,760 B2Milwaukee Electric Tool Corporation
- Bench pipe threading machine and threading method12 May 2026US 12,623,296 B2Hangzhou Hongli Pipe Machinery Co., Ltd
- Method for producing a thread on at least one end of at least one metal tube and thread-cutting facility12 May 2026US 12,623,297 B2SMS group GmbH
- Die head for pipe threader10 Sep 2026US 2026/0264157 A1Milwaukee Electric Tool Corporation
- Lubrication system for portable pipe threader20 Nov 2025US 2025/0353090 A1Milwaukee Electric Tool Corporation
- Power tool blade type detection and automatic speed adjustment20 Nov 2025US 2025/0353129 A1Milwaukee Electric Tool Corporation
- Powered lubrication system for use with pipe threader20 Nov 2025US 2025/0354652 A1
- Pipe Threading Device21 Aug 2025US 2025/0262679 A1
Most cited
By later US patents
- Threading machine coolant system and method of cooling35US 5,826,469 AEmerson Electric Co. · 1998
- Two speed transmission for power driven threading machine29US 4,757,598 AEmerson Electric Co. · 1988
- Method for manufacturing a flush/semi-flush threaded connection29US 6,442,826 B1Hunting Oilfield Services Limited · 2002
- Oil well pipe screw joint, and threading method and apparatus therefor19US 6,454,315 B1Kawasaki Steel Corporation · 2002
- Hydraulic tapping apparatus15US 4,050,835 AAAA Products International Inc. · 1977