B23B 5/161
Devices attached to the workpiece
Official title: {Devices attached to the workpiece}
B23B5/161 (Devices attached to the workpiece) appears on 209 US grants and 113 published applications in this corpus.
Search patents in B23B- Granted patents
- 209
- Published applications
- 113
- Assignees
- 84
- Inventors
- 231
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 12 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 3 | 4 |
| 2003 | 4 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 4 |
| 2006 | 5 | 4 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 6 |
| 2012 | 2 | 3 |
| 2013 | 4 | 1 |
| 2014 | 0 | 11 |
| 2015 | 6 | 12 |
| 2016 | 3 | 9 |
| 2017 | 12 | 11 |
| 2018 | 12 | 9 |
| 2019 | 11 | 12 |
| 2020 | 13 | 2 |
| 2021 | 4 | 2 |
| 2022 | 7 | 3 |
| 2023 | 0 | 4 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mounting device, mounting method, and method for manufacturing product6 Oct 2026US 12,752,347 B2Sintokogio, Ltd.
- Pipe machining system for positioning pipe machining apparatus in three-dimensional coordinate system16 Dec 2025US 12,496,672 B2Illinois Tool Works Inc.
- Facing machine for preventing inflow of cutting chips into tube3 Dec 2024US 12,157,174 B2Dcseng Co., Ltd.
- Tools and methods for refacing tubular ends forming a threaded connection3 Sep 2024US 12,076,798 B2National Oilwell Varco, L. P.
- Tool holder and pipe machining tool21 May 2024US 11,986,970 B2PF Schweisstechnologie GmbH
- Turning machine tool21 May 2026US 2026/0138191 A1E.M.G. Srl
- Mounting device, mounting method, and method for manufacturing product3 Apr 2025US 2025/0108442 A1Sintokogio, Ltd.
- Automated orbital machine for cutting and drawing the pipe preservation system30 Nov 2023US 2023/0381873 A1Instituto de Pesquisas Tecnologicas do Estado de Sao Paulo S.A.-IPT
- Tools and Methods for Refacing Tubular Ends Forming a Threaded Connection12 Oct 2023US 2023/0321735 A1National Oilwell Varco, L. P.
- Flex adapter for stripping tool23 Mar 2023US 2023/0087899 A1
Most cited
By later US patents
- Pipe end preparation and cutoff tool62US 4,418,591 ATri Tool Inc. · 1983
- Portable end prep lathe62US 4,677,884 AThe E. H. Wachs Company · 1987
- Pipe machining apparatus61US 5,054,342 AThe E. H. Wachs Company · 1991
- Pipe end preparation machine60US 4,411,178 APower Cutting Incorporated · 1983
- Pipe cutting or end prepping apparatus56US 4,114,484 A1978