F16B 23/0015
Substantially rectangular
Official title: {substantially rectangular, e.g. one-slot head}
F16B23/0015 (Substantially rectangular) appears on 51 US grants and 52 published applications in this corpus.
Search patents in F16B- Granted patents
- 51
- Published applications
- 52
- Assignees
- 27
- Inventors
- 84
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 4 |
| 2004 | 2 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 4 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 0 | 3 |
| 2022 | 2 | 4 |
| 2023 | 2 | 5 |
| 2024 | 1 | 0 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Slotted device feature6 Jan 2026US 12,519,172 B2Raytheon Canada Limited
- Screw drive24 Jun 2025US 12,338,849 B2Avvio GmbH & Co KG
- Fastener with pivoting head18 Mar 2025US 12,253,103 B2
- Foreign material exclusion plug for structural threads with breakaway tab25 Feb 2025US 12,234,854 B2Consolidated Nuclear Security, LLC
- Deforming a portion of a nut threaded on a guide tube end plug to lock the nut to a lower end fitting of a nuclear reactor fuel assembly4 Jun 2024US 12,002,593 B2BWXT mPower, Inc.
- Slot geometry4 Dec 2025US 2025/0369476 A1Avvio GmbH & Co KG
- Screw drive7 Aug 2025US 2025/0251010 A1Avvio GmbH & Co KG
- Security fasteners22 May 2025US 2025/0163950 A1Ultra PCS Limited
- Foreign material exclusion plug for structural threads with breakaway tab23 Nov 2023US 2023/0375031 A1Consolidated Nuclear Security, LLC
- Screw drive2 Nov 2023US 2023/0349412 A1Avvio GmbH & Co KG
Most cited
By later US patents