F16B 25/0052
The ridge having indentations, notches or the like in order to improve
Official title: {the ridge having indentations, notches or the like in order to improve the cutting behaviour}
F16B25/0052 (The ridge having indentations, notches or the like in order to improve) appears on 157 US grants and 177 published applications in this corpus.
Search patents in F16B- Granted patents
- 157
- Published applications
- 177
- Assignees
- 80
- Inventors
- 249
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 4 |
| 2003 | 3 | 3 |
| 2004 | 3 | 3 |
| 2005 | 3 | 4 |
| 2006 | 4 | 7 |
| 2007 | 2 | 6 |
| 2008 | 2 | 5 |
| 2009 | 1 | 9 |
| 2010 | 7 | 3 |
| 2011 | 1 | 10 |
| 2012 | 4 | 6 |
| 2013 | 4 | 7 |
| 2014 | 6 | 7 |
| 2015 | 7 | 8 |
| 2016 | 9 | 10 |
| 2017 | 6 | 8 |
| 2018 | 6 | 6 |
| 2019 | 6 | 9 |
| 2020 | 6 | 9 |
| 2021 | 11 | 14 |
| 2022 | 10 | 8 |
| 2023 | 5 | 7 |
| 2024 | 6 | 5 |
| 2025 | 3 | 14 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bone anchor26 May 2026US 12,636,054 B2Biedermann Technologies GmbH & Co. KG
- Wood screw18 Nov 2025US 12,473,942 B2The Hillman Group, Inc.
- Multipurpose screw27 May 2025US 12,313,108 B2B.M.B. Investments Pty Ltd
- System for securing an anchor in a mineral substrate25 Feb 2025US 12,234,851 B2Ludwig Hettich Holding GmbH & Co. KG
- Insulation screw and method for inserting such an insulation screw26 Nov 2024US 12,152,623 B2Eurospacers AB
- Fastener23 Jul 2026US 2026/0210394 A1
- Fastener12 Mar 2026US 2026/0071644 A1Illinois Tool Works Inc.
- Screw for direct screwing into a component12 Feb 2026US 2026/0043429 A1EJOT GmbH & Co. KG
- Wood screw25 Dec 2025US 2025/0389293 A1The Hillman Group, Inc.
- Self-drilling, reusable concrete anchoring screw27 Nov 2025US 2025/0361901 A1
Most cited
By later US patents
- Wood screw and method for making same94US 4,815,909 A1989
- Self-tapping screw-type masonry anchor73US 5,188,496 A1993
- Masonry anchor device72US 6,332,741 B1Textron Inc. · 2001
- Screw having cutting teeth formed on threads thereof69US 6,056,491 A2000
- Reverse barb system for screws and nails69US 7,063,491 B22006