B23P 9/025
To inner walls of holes by using axially moving tools
Official title: {to inner walls of holes by using axially moving tools}
B23P9/025 (To inner walls of holes by using axially moving tools) appears on 132 US grants and 86 published applications in this corpus.
Search patents in B23P- Granted patents
- 132
- Published applications
- 86
- Assignees
- 51
- Inventors
- 186
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 8 |
| 2004 | 7 | 2 |
| 2005 | 0 | 8 |
| 2006 | 7 | 4 |
| 2007 | 3 | 7 |
| 2008 | 4 | 7 |
| 2009 | 3 | 3 |
| 2010 | 3 | 5 |
| 2011 | 7 | 7 |
| 2012 | 5 | 5 |
| 2013 | 6 | 8 |
| 2014 | 3 | 1 |
| 2015 | 3 | 3 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 2 |
| 2019 | 0 | 4 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coldwork holes with seamless sleeve and uniform expansion30 Dec 2025US 12,508,637 B1
- Cold working tool for openings in metal pieces23 Sep 2025US 12,420,364 B2Electroimpact, Inc.
- Hybrid threading tap with reamer portion and thread cutting portion7 Mar 2023US 11,597,023 B2GM Global Technology Operatins LLC
- Treatment process for a central bore through a centrifugal compressor wheel to create a deep cylindrical zone of compressive residual hoop stress on a fractional portion of the bore length, and compressor wheel resulting therefrom18 Oct 2022US 11,473,588 B2Garrett Transportation I Inc.
- Method and tool for roughening a cylinder bore wall to be coated, and component for guiding a cylinder piston17 May 2022US 11,331,763 B2MAG IAS GmbH
- Cold working tool for openings in metal pieces26 Dec 2024US 2024/0424623 A1Electroimpact, Inc.
- Manufacturing process for forming a sharp feature in an axial sealing fluid transport fitting22 Jun 2023US 2023/0191542 A1Hanon Systems
- Hybrid threading tap with reamer portion and thread cutting portion25 Aug 2022US 2022/0266366 A1GM Global Technology Operations LLC
- Installation tool assembly, a tooling assembly for a workpiece, and a method30 Sep 2021US 2021/0299803 A1The Boeing Company
- Treatment process for a central bore through a centrifugal compressor wheel to create a deep cylindrical zone of compressive residual hoop stress on a fractional portion of the bore length, and compressor wheel resulting therefrom24 Dec 2020US 2020/0400158 A1Garrett Transportation I Inc.
Most cited
By later US patents
- Cushioned fastener joint84US 4,405,256 A1983
- Method of forming a coldworked joint80US 4,164,807 A1979
- Method of cold expanding and sizing fastener holes75US 4,557,033 AFatigue Technology, Inc. · 1985
- Pulling apparatus and method66US 4,187,708 AIndustrial Wire & Metal Forming, Inc. · 1980
- Nut mounting grommet66US 5,096,349 AFatigue Technology, Inc. · 1992