B23B 2260/09
Knurled surfaces
B23B2260/09 (Knurled surfaces) appears on 8 US grants and 9 published applications in this corpus.
Search patents in B23B- Granted patents
- 8
- Published applications
- 9
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Core drill6 Jan 2026US 12,515,259 B2Milwaukee Electric Tool Corporation
- Power drill accessories17 Jan 2023US 11,554,423 B2
- Machining apparatus and methods for performing machining operations16 Apr 2019US 10,259,047 B2
- Drill chuck8 Jan 2019US 10,173,268 B2Roehm GmbH
- Drill chuck20 Nov 2018US 10,130,998 B2Roehm GmbH
- Holesaw assembly19 Jun 2025US 2025/0196233 A1Black & Decker Inc.
- Core drill6 Oct 2022US 2022/0314426 A1Milwaukee Electric Tool Corporation
- Power drill accessories18 Aug 2022US 2022/0258249 A1
- Machining apparatus and methods for performing machining operations30 Nov 2017US 2017/0341151 A1
- Bushing for drill template17 Dec 2015US 2015/0360299 A1Harcourt Industrial, Inc.
Most cited
By later US patents
- Method of removing fibers protruding into bores9US 4,628,584 AThe Dow Chemical Company · 1986
- Apparatus for machining a cylinder bore surface and method of machining the cylinder bore surface using the apparatus5US 7,328,637 B2Nissan Motor Co., Ltd. · 2008
- Drill chuck1US 10,173,268 B2Roehm GmbH · 2019
- Bushing for drill template1US 9,545,674 B2Harcourt Industrial, Inc. · 2017