B23B 47/281
Jigs for drilling cylindrical parts
Official title: {Jigs for drilling cylindrical parts}
B23B47/281 (Jigs for drilling cylindrical parts) appears on 71 US grants and 65 published applications in this corpus.
Search patents in B23B- Granted patents
- 71
- Published applications
- 65
- Assignees
- 32
- Inventors
- 139
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 6 | 7 |
| 2015 | 3 | 4 |
| 2016 | 3 | 5 |
| 2017 | 4 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 3 |
| 2021 | 1 | 3 |
| 2022 | 4 | 3 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precisely-positioned drilling apparatus for steel tubular joints and application method thereof15 Sep 2026US 12,734,588 B2Fuzhou Urban and Rural Construcation Group CO., Ltd
- Drill jigs for positioning mounting holes using metrology processes, and associated systems and methods8 Sep 2026US 12,728,463 B2Blue Origin Manufacturing, LLC
- Tube notching apparatus with adjustable positioning features3 Feb 2026US 12,539,546 B2
- Apparatus for hole-making in an elongated, tubular body, and method of use of the apparatus26 Mar 2024US 11,938,648 B2Talgø Teknologi AS
- Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms18 Oct 2022US 11,473,384 B2Aes-Eot Equipment Holdings, LLC
- Drill and tap guide7 May 2026US 2026/0124685 A1
- System and Method for Tube Notching29 May 2025US 2025/0170658 A1
- Drill jigs for positioning mounting holes using metrology processes, and associated systems and methods23 Jan 2025US 2025/0025944 A1Blue Origin, LLC
- Precisely-positioned drilling apparatus for steel tubular joints and application method thereof9 Jan 2025US 2025/0010379 A1Fuzhou University
- Drill guide and method29 Feb 2024US 2024/0066608 A1The Boeing Company
Most cited
By later US patents