F16B 31/024
With the bottom of the nut or of the head of the
Official title: {with the bottom of the nut or of the head of the bolt having gaps which close as the bolt tension increases, e.g. with lips or with a load-indicating flange}
F16B31/024 (With the bottom of the nut or of the head of the) appears on 16 US grants and 12 published applications in this corpus.
Search patents in F16B- Granted patents
- 16
- Published applications
- 12
- Assignees
- 14
- Inventors
- 26
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Torque-limiting nut4 Aug 2026US 12,698,792 B2Stemco Products, Inc.
- Multi-piece bolts and methods of making the same4 Mar 2025US 12,241,494 B2Crushlock, Inc.
- Structure for fastening verification11 Feb 2025US 12,224,541 B2International Business Machines Corporation
- Universal torque indicator fitting with positive lock feature19 Mar 2024US 11,933,339 B2Parker-Hannifin Corporation
- Torque-limiting nut13 Feb 2024US 11,898,587 B2Stemco Products, Inc.
- Measurement nut8 Jan 2026US 2026/0009419 A1Tensioncam Systems AB
- Torque-Limiting Nut8 Aug 2024US 2024/0263663 A1Stemco Products, Inc.
- Universal torque indicator fitting with positive lock feature23 Feb 2023US 2023/0056893 A1Parker-Hannifin Corporation
- Structure for fastening verification8 Dec 2022US 2022/0389946 A1International Business Machines Corporation
- Multi-piece bolts and methods of making the same25 Nov 2021US 2021/0364028 A1Crushlock, Inc.
Most cited
By later US patents
- Torque limiting elastomeric fastener for screw threaded member45US 4,472,098 AFarathane, Inc. · 1984
- Threaded fastener with predetermined torque29US 8,210,783 B22012
- Torque limiting elastomeric fastener and seal23US 4,472,097 AFarathane, Inc. · 1984
- Single piece nut assembly20US 8,403,611 B2Stemco Co., Ltd. · 2013
- Load indicating flange18US 4,498,825 ARussell, Burdsall & Ward Corporation · 1985