F16B 39/282
Locking by means of special shape of work-engaging surfaces
Official title: Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
F16B39/282 (Locking by means of special shape of work-engaging surfaces) appears on 329 US grants and 365 published applications in this corpus.
Search patents in F16B- Granted patents
- 329
- Published applications
- 365
- Assignees
- 227
- Inventors
- 625
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 7 |
| 2003 | 4 | 12 |
| 2004 | 9 | 11 |
| 2005 | 3 | 7 |
| 2006 | 7 | 9 |
| 2007 | 3 | 10 |
| 2008 | 5 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 10 |
| 2011 | 6 | 8 |
| 2012 | 1 | 9 |
| 2013 | 5 | 12 |
| 2014 | 10 | 19 |
| 2015 | 9 | 17 |
| 2016 | 12 | 15 |
| 2017 | 14 | 16 |
| 2018 | 17 | 31 |
| 2019 | 12 | 30 |
| 2020 | 24 | 16 |
| 2021 | 18 | 26 |
| 2022 | 17 | 17 |
| 2023 | 16 | 19 |
| 2024 | 21 | 27 |
| 2025 | 11 | 15 |
| 2026 | 7 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fastening system with sealing arrangement11 Aug 2026US 12,704,145 B2Acument Intellectual Properties, LLC
- Stud bolt11 Aug 2026US 12,704,147 B2Nittoseiko Co., Ltd.
- Systems and methods for preloading a bearing and aligning a lock nut16 Jun 2026US 12,654,489 B2Temper Axle Products Corporation
- Structural fastener2 Jun 2026US 12,644,484 B2Mag Daddy, LLC
- Base ring assembly for a pneumatic vacuum elevator and a method thereof21 Apr 2026US 12,607,220 B2
- Washer, nut, and fastening structure8 Oct 2026US 2026/0309182 A1Nippon Plarad Co.
- Systems and methods for preloading a bearing and aligning a lock nut24 Sep 2026US 2026/0285085 A1Temper Axle Products Corporation
- Structural Fastener17 Sep 2026US 2026/0276023 A1Mag Daddy, LLC
- Arrangement for Connecting Components17 Sep 2026US 2026/0276028 A1Nord-Lock International AB
- T-Bolt Fastening System17 Sep 2026US 2026/0276029 A1Allfasteners USA, LLC
Most cited
By later US patents
- Self-locking resorbable screws and plates for internal fixation of bone fractures and tendon-to-bone attachment542US 5,275,601 ASynthes USA, LLC · 1994
- Device for straightening, securing, compressing and elongating the spinal column243US 5,261,913 AJbs S.A. · 1993
- Self-locking nut for a wheel bearing98US 5,533,849 AHi-Shear Corporation · 1996
- Locking fastener84US 5,190,423 A1993
- Locking fastener assembly82US 6,749,386 B2MacLean-Fogg Company · 2004