F16B 23/0061
Devices for fastening or securing constructional elements or machine parts together: specially
Official title: {with grooves, notches or splines on the external peripheral surface designed for tools engaging in radial direction (F16B23/003 takes precedence)}
F16B23/0061 (Devices for fastening or securing constructional elements or machine parts together: specially) appears on 170 US grants and 142 published applications in this corpus.
Search patents in F16B- Granted patents
- 170
- Published applications
- 142
- Assignees
- 100
- Inventors
- 272
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 3 |
| 2004 | 5 | 6 |
| 2005 | 4 | 4 |
| 2006 | 3 | 1 |
| 2007 | 2 | 5 |
| 2008 | 2 | 5 |
| 2009 | 2 | 7 |
| 2010 | 2 | 5 |
| 2011 | 2 | 7 |
| 2012 | 2 | 5 |
| 2013 | 4 | 3 |
| 2014 | 6 | 3 |
| 2015 | 3 | 5 |
| 2016 | 3 | 6 |
| 2017 | 7 | 8 |
| 2018 | 9 | 12 |
| 2019 | 10 | 12 |
| 2020 | 1 | 10 |
| 2021 | 6 | 10 |
| 2022 | 12 | 6 |
| 2023 | 4 | 8 |
| 2024 | 14 | 7 |
| 2025 | 2 | 1 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nut fastener and a fastening system therefor24 Mar 2026US 12,584,323 B2Turbo Scaffolding Pty Ltd
- Fitting nut, fitting, fluid pressure device, and fluid control system3 Mar 2026US 12,565,953 B2SMC Corporation
- Screw for securing a dental prosthesis17 Feb 2026US 12,553,462 B2Tobon Enterprises Corp
- Nut turning tool and fitting nut turning method17 Feb 2026US 12,553,553 B2SMC Corporation
- Sequential torque application retention system20 May 2025US 12,305,684 B2Raytheon Company
- Reaction washer22 May 2025US 2025/0163951 A1Primesource Consulting LLC
- Screw for Securing a Dental Prosthesis17 Oct 2024US 2024/0344546 A1Tobon Enterprises Corp
- Fitting nut, fitting, fluid pressure device, and fluid control system, and nut turning tool and fitting nut turning method1 Aug 2024US 2024/0255082 A1SMC Corporation
- Lightweight fastener and customized drive apparatus thereof23 May 2024US 2024/0167495 A1Norm Izmir Civata Sanayi Ticaret Anonim Sirketi
- Securement System and Method18 Apr 2024US 2024/0125344 A1
Most cited
By later US patents
- Tamper-evident bolt125US 5,449,260 A1995
- Absorbable bone screw and tool for its insertion122US 6,077,267 A2000
- Theft-prevention screw fastenings54US 4,027,572 A1977
- Tamper-proof drive system based upon multi-lobular configuration54US 5,378,101 ATextron Inc. · 1995
- Nut and device for tightening provided with the same53US 5,934,853 A1999