B23B 27/24
Knurling tools
B23B27/24 (Knurling tools) appears on 20 US grants and 15 published applications in this corpus.
Search patents in B23B- Granted patents
- 20
- Published applications
- 15
- Assignees
- 17
- Inventors
- 39
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tool head24 Jun 2025US 12,337,393 B2Bayerische Motoren Werke Aktiengesellschaft
- Method and device for deburring a workpiece with an inner toothing14 Jan 2025US 12,194,554 B2Schaeffler Technologies AG & Co. KG
- 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
- Drill chuck8 Jan 2019US 10,173,268 B2Roehm GmbH
- Drill chuck20 Nov 2018US 10,130,998 B2Roehm GmbH
- Bi-Directional Roller Corrugating Tool Holder26 Jan 2023US 2023/0024536 A1
- Method and device for deburring a workpiece with an inner toothing24 Nov 2022US 2022/0371114 A1Schaeffler Technologies AG & Co. KG
- Method and tool for roughening a cylinder bore wall to be coated, and component for guiding a cylinder piston17 Sep 2020US 2020/0290172 A1MAG IAS GmbH
- Tool Head14 May 2020US 2020/0147697 A1Bayerische Motoren Werke Aktiengesellschaft
- Drill chuck10 Sep 2015US 2015/0251252 A1Roehm GmbH
Most cited
By later US patents
- Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article225US 5,975,987 A3M Innovative Properties Company · 1999
- Knurling tool14US 4,257,250 A1981
- Convertible bar-puller/knurling-tool12US 5,046,226 A1991
- Method and apparatus for patterning of bore surfaces12US 7,165,430 B2Makino, Inc. · 2007
- Apparatus for reforming and restoring the surface of a cylindrical workpiece manually10US 4,942,752 A1990