F16B 31/027
With a bolt head causing the fastening or the unfastening tool to
Official title: {with a bolt head causing the fastening or the unfastening tool to lose the grip when a specified torque is exceeded}
F16B31/027 (With a bolt head causing the fastening or the unfastening tool to) appears on 33 US grants and 39 published applications in this corpus.
Search patents in F16B- Granted patents
- 33
- Published applications
- 39
- Assignees
- 30
- Inventors
- 62
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 4 |
| 2015 | 2 | 3 |
| 2016 | 1 | 4 |
| 2017 | 4 | 4 |
| 2018 | 2 | 2 |
| 2019 | 5 | 4 |
| 2020 | 1 | 4 |
| 2021 | 2 | 2 |
| 2022 | 4 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two-piece high-strength screw28 Apr 2026US 12,612,936 B2KAMAX Holding GmbH & Co. KG
- Screw element and system for fastening a liquid-conducting line23 Jul 2024US 12,044,263 B2Amfomed AG
- Rotary fastening device6 Dec 2022US 11,519,448 B2Kabo Tool Company
- Fittable and releasable fastener22 Nov 2022US 11,506,237 B2Fivetech Technology Inc.
- Torque limiting screw8 Nov 2022US 11,493,075 B2Penn Engineering & Manufacturing Corp.
- Torque-limiting fastener and coupling19 Jan 2023US 2023/0015919 A1BrassCraft Manufacturing Company
- Fasteners11 Aug 2022US 2022/0252099 A1AFL Telecommunications LLC
- Schraubelement, System15 Jul 2021US 2021/0215187 A1Amfomed AG
- Two-piece high-strength screw1 Jul 2021US 2021/0199149 A1KAMAX Holding GmbH & Co. KG
- Torque Limiting Screw26 Nov 2020US 2020/0370588 A1Penn Engineering & Manufacturing Corp.
Most cited
By later US patents
- Torque limiting socket for twist-on wire connectors26US 6,198,049 B1GB Electric, Inc. · 2001
- Combination torque release screw and screw driver23US 4,109,691 A1978
- Torque-limiting assembly15US 6,309,154 B1Vibro-Meter SA · 2001
- Clamping jaw for a support assembly for a bicycle carrier10US 10,144,359 B2Thule Sweden AB · 2018
- Ratchet nut assembly9US 8,764,361 B2Bemis Manufacturing Company · 2014