F16B 23/0038
Substantially prismatic with up to six edges
Official title: {substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections}
F16B23/0038 (Substantially prismatic with up to six edges) appears on 121 US grants and 172 published applications in this corpus.
Search patents in F16B- Granted patents
- 121
- Published applications
- 172
- Assignees
- 104
- Inventors
- 280
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 7 | 2 |
| 2003 | 2 | 11 |
| 2004 | 5 | 6 |
| 2005 | 1 | 8 |
| 2006 | 2 | 6 |
| 2007 | 3 | 10 |
| 2008 | 3 | 4 |
| 2009 | 1 | 9 |
| 2010 | 0 | 1 |
| 2011 | 3 | 5 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 3 | 6 |
| 2015 | 3 | 6 |
| 2016 | 2 | 5 |
| 2017 | 4 | 6 |
| 2018 | 4 | 9 |
| 2019 | 5 | 10 |
| 2020 | 5 | 8 |
| 2021 | 7 | 14 |
| 2022 | 7 | 15 |
| 2023 | 8 | 14 |
| 2024 | 8 | 4 |
| 2025 | 6 | 6 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced flange nut12 May 2026US 12,624,720 B2Bpc LG 2, LLC
- Multi-piece locking fastener assembly such as for securing a wheel rim to a vehicle hub10 Mar 2026US 12,571,420 B2
- Fastener system with stabilizer ribs and square drive17 Feb 2026US 12,551,992 B2Phillips Screw Company
- Post-to-beam fastener10 Feb 2026US 12,546,355 B2Illinois Tool Works Inc.
- Bolt for battery and battery module10 Feb 2026US 12,546,358 B2SK On Co., Ltd.
- Device for fixing an enclosure to a wall19 Mar 2026US 2026/0078867 A1Electrix International Ltd
- Fastener assembly having flush faced working portion5 Feb 2026US 2026/0036158 A1Screw This Screw That LLC
- Multi-Sided Screw and a Method of Using such a Multi-Sided Screw13 Nov 2025US 2025/0347309 A1Illinois Tool Works Inc.
- Fasteners and electrical assemblies11 Sep 2025US 2025/0283499 A1Schneider Electric USA, Inc.
- Dual-end fastening bolt28 Aug 2025US 2025/0271019 A1International Truck Intellectual Property Company, LLC
Most cited
By later US patents
- Bone screw459US 5,169,400 AAesculap AG · 1992
- Recess drive bone screw and cooperable driving tool298US 6,016,727 ASofamor Danek Properties, Inc. · 2000
- Threaded fastener having a head with a triangle centerpost within a triangle recess161US 6,186,718 B1Northrop Grumman Corporation · 2001
- Locking assembly for securing a rod member in a receiver part for use in spinal or trauma surgery, bone anchoring device with such a locking assembly and tool therefor108US 7,972,364 B2Biedermann Motech GmbH · 2011
- Combination driver and combination fastener81US 7,225,710 B2Synthes GmbH · 2007